Maryland Cost Segregation: Powerful Tax Savings for Your Commercial Property

Maryland cost segregation is a proven tax strategy that lets property owners accelerate depreciation deductions and significantly boost cash flow. By breaking down your building’s components into shorter depreciation schedules, you can defer tens of thousands—even hundreds of thousands—in federal and state taxes.

Key Takeaways

• Maryland requires bonus depreciation addbacks – Unlike many states, Maryland doesn’t conform to federal bonus depreciation rules, which means you’ll need separate calculations for state tax returns
• 100% bonus depreciation returned in 2025 – The One Big Beautiful Bill Act reinstated full bonus depreciation for federal purposes, making cost segregation more valuable than ever
• Study costs range from $5,000 to $30,000 – The investment typically pays for itself in year one through accelerated tax deductions
• Both property owners and lessees benefit – You don’t have to own the building outright to take advantage of cost segregation tax savings
• Baltimore’s commercial market is ripe for opportunity – With industrial and multifamily properties showing strong performance, now’s the time to maximize every tax advantage

What Makes Maryland Cost Segregation Different from Other States?

Here’s something most Baltimore and Maryland property owners don’t realize until it’s too late. Maryland plays by different rules than the federal government when it comes to depreciation.

The state decoupled from federal bonus depreciation years ago. What does that mean for you? When you claim accelerated depreciation on your federal return, you’ll need to add it back on your Maryland state return. Two sets of books. Two different calculations. One bigger headache.

But here’s the thing—even with this Maryland quirk, cost segregation still delivers massive tax savings. You just need to know how to work the system.

Maryland allows qualified improvement property to depreciate over 15 years instead of 39. That’s a win. The state caps Section 179 deductions at $25,000—far below the federal $1 million limit. That’s where cost segregation becomes your secret weapon.

Manufacturing businesses in Maryland get special treatment. They can claim bonus depreciation at the state level. If you own a manufacturing facility in Baltimore, Frederick, or Rockville, you’re in luck.

The 2025 Game Changer

January 19, 2025, changed everything. The One Big Beautiful Bill Act brought back 100% bonus depreciation for federal taxes. Assets placed in service after that date qualify for immediate first-year expensing.

Think about what that means. A $2 million office building in Towson. A warehouse in Glen Burnie. A retail center in Columbia. With proper cost segregation, you could identify $600,000 or more in personal property and land improvements—all eligible for immediate federal deduction.

Yes, Maryland makes you add it back. But deferring $222,000 in federal taxes (at 37% rate) while only paying Maryland’s additional 5.75% on that income still puts $185,000+ back in your pocket the first year.

Maryland’s New Tax Landscape

As of July 1, 2025, Maryland implemented new tax brackets for high earners. There’s also a 2% capital gains surcharge for households with federal AGI over $350,000. Property owners need every deduction they can get.

The tax changes make cost segregation even more valuable. When you’re facing higher state rates plus federal taxes, accelerating deductions becomes critical for cash flow management.

How Cost Segregation Works in Maryland

Let’s break this down in plain English.

When you buy or build commercial property, the IRS normally makes you depreciate it over 39 years for commercial buildings or 27.5 years for residential rental properties. That’s painfully slow. A $1 million building gives you roughly $25,641 per year in deductions. At a 37% federal tax rate, that saves about $9,487 annually.

Cost segregation changes the game. A specialized firm conducts an engineering-based analysis of your property. They identify components that qualify for shorter depreciation schedules:

• 5-year property: Carpeting, decorative lighting, specialized electrical outlets, signage, removable partitions
• 7-year property: Office furniture, certain fixtures, equipment
• 15-year property: Parking lots, sidewalks, landscaping, site lighting, fencing
• 27.5 or 39-year property: Building structure, roof, HVAC, plumbing

On average, 20% to 40% of a commercial building’s cost can be reclassified to these shorter schedules. That same $1 million building might have $300,000 reclassified to 5, 7, and 15-year property.

With 100% federal bonus depreciation available in 2025, you can deduct that entire $300,000 in year one instead of spreading it over 39 years. The remaining $700,000 continues on the 39-year schedule.

Your first-year federal depreciation jumps from $25,641 to $325,641. That’s $111,000 in federal tax savings the first year (at 37% rate) versus $9,487 without cost segregation.

The Maryland State Tax Wrinkle

Here’s where Maryland throws you a curveball. You need to complete Form 500DM (Decoupling Modification) with your state return. This form adds back the federal bonus depreciation you claimed.

Your Maryland taxable income will be higher than your federal taxable income. The difference gets taxed at Maryland’s rates—currently 5.75% for most income levels, with new brackets pushing some earners higher.

Does this kill the benefit? Not even close. You’re still deferring massive federal taxes. And Maryland allows you to depreciate those assets over their regular MACRS schedules (5, 7, 15 years), just without the bonus depreciation kicker.

Quick Decision Guide: Is Maryland Cost Segregation Right for You?

Your Situation	Should You Consider Cost Segregation?	Expected First-Year Benefit
Property value $500K-$1M	Yes, if you’re paying federal taxes	$15,000-$40,000
Property value $1M-$3M	Absolutely—strong ROI expected	$40,000-$150,000
Property value $3M-$10M	Essential for cash flow optimization	$150,000-$500,000
Property value $10M+	Critical—consult specialists immediately	$500,000+
Owned property <5 years ago	Yes—catch-up studies available	Claim missed depreciation
Leasehold improvements	Yes—tenants can benefit too	$10,000-$100,000+
Recent renovation/expansion	Yes—maximize improvement deductions	$25,000-$250,000+

Who Benefits from Cost Segregation in Maryland?

Walk through any Baltimore neighborhood—Canton, Federal Hill, Harbor East—and you’ll see opportunity. Office buildings. Multifamily apartments. Retail spaces. Industrial warehouses near the Port of Baltimore.

Every single one of those properties could benefit from cost segregation if the owner is paying federal income taxes.

Property Owners

If you own commercial real estate anywhere in Maryland—from Ocean City to Cumberland—cost segregation likely makes sense. The strategy works for:

• Multifamily buildings – Apartment complexes in College Park, Bethesda, or Silver Spring often have 25-35% of costs eligible for acceleration
• Office buildings – Downtown Baltimore, Rockville Pike, and Columbia office spaces contain substantial personal property
• Retail centers – Strip malls, shopping centers, and standalone stores have specialized electrical, decorative features, and parking lot improvements
• Industrial and warehouse facilities – Properties near BWI Airport, Port of Baltimore, or along I-95 corridor often see 30-40% cost reclassification
• Hotels and hospitality properties – Furniture, fixtures, and decorative items make these prime candidates
• Medical offices – Specialized lighting, exam room build-outs, and equipment all qualify
• Self-storage facilities – Paving, fencing, and lighting can be accelerated

Lessees and Tenants

Here’s what surprises most business owners. You don’t have to own the building to benefit from cost segregation.

If you lease space and made improvements—built out office space, renovated a restaurant, installed specialized systems—you can depreciate those improvements. They’re called qualified leasehold improvements.

A restaurant owner in Annapolis who spent $300,000 on kitchen equipment, dining room finishes, and exterior patio? That’s eligible for cost segregation. A medical practice in Towson that built out exam rooms and a waiting area? Same thing.

The key is you made the improvements and you’re depreciating them. Your investment, your deduction, your tax savings.

Why 100% Bonus Depreciation Matters So Much

Let me paint you a picture. It’s April 2025. You bought a $3 million office building in Hunt Valley last month. No cost segregation, you’re looking at $76,923 in depreciation this year. Nice, but nothing earth-shattering.

Now run that same building through cost segregation. The engineering team identifies $900,000 in personal property and land improvements. Under 100% bonus depreciation, you can deduct that entire $900,000 in 2025.

Your total first-year depreciation: $976,923. At a 37% federal tax rate, that’s $361,462 in federal tax savings. Year one.

Without cost segregation: $28,461 tax savings
With cost segregation: $361,462 tax savings

That’s $333,000 difference. Real money. Real cash flow.

Sure, you’ll need to handle Maryland’s addback on your state return. The additional Maryland tax on that $900,000 might run around $51,750 (at 5.75%). You’re still ahead by more than $281,000 in year one.

The math gets even better if you’re holding multiple properties or planning additional acquisitions. That cash flow lets you invest in more real estate, expand operations, or simply keep your money working for you instead of sending it to the government.

The Time Value of Money

Getting $333,000 back this year beats getting $8,000 annually for the next 39 years. Even if the total depreciation adds up the same over time (which it doesn’t, due to disposition strategies), having cash now is worth more.

You can reinvest that $333,000. Buy another property. Upgrade systems. Expand your business. Or just park it in treasury bills earning interest.

The government is essentially giving you an interest-free loan. Take it.

Baltimore and Maryland Real Estate: Market Conditions That Make Cost Segregation Critical

Baltimore’s commercial real estate market tells an interesting story right now.

Office space is transitioning. Vacancy rates hit 15.9% in Q3 2025—above the historical average. Companies are right-sizing. Some are leaving traditional downtown space for suburban alternatives in Columbia, Towson, or Hunt Valley.

Industrial and warehouse properties? That’s where the action is. Vacancy around 8% keeps supply tight. The Port of Baltimore drives demand for logistics and distribution facilities. BWI Airport corridor sees consistent development.

Multifamily buildings in neighborhoods like Canton, Federal Hill, and Fells Point maintain steady occupancy. Hopkins students need housing. Young professionals want urban living. Developers keep building.

What does this mean for cost segregation? Simple. Whether you bought at the top or bottom of the market, whether your building is 90% occupied or struggling at 60%, you still own a depreciable asset. You’re still paying federal income taxes on your business or investment income.

Cost segregation isn’t a market-timing play. It’s a tax-timing play.

The Maryland market’s diversity means opportunity across property types. A struggling office building in downtown Baltimore? Cost segregation can free up cash for renovations that attract tenants. A thriving warehouse in Anne Arundel County? Accelerate depreciation and fund your next acquisition.

Maryland Cost Segregation: The Complete Process

I’ve worked with enough property owners to know the same questions come up every time. “How long does this take?” “What do they need from me?” “Will this trigger an audit?”

Here’s how a proper Maryland cost segregation study works.

Step 1: Free Benefit Analysis (24-48 Hours)

A qualified cost segregation firm will provide a no-obligation estimate. You give them basic property information—purchase price, property type, location, age of building. They’ll estimate potential tax savings within a day or two.

This estimate costs nothing. Takes 15 minutes of your time. Shows you whether moving forward makes sense.

Step 2: Engagement and Data Gathering (1 Week)

Once you decide to proceed, the firm sends an engagement letter and fee quote. Study costs for Maryland properties typically run:

• $500K-$1M property: $5,000-$8,000
• $1M-$3M property: $8,000-$15,000
• $3M-$10M property: $15,000-$25,000
• $10M+ property: $25,000-$30,000+

The team requests documentation: purchase agreement, settlement statement, construction invoices if you built the property, blueprints if available, prior depreciation schedules.

Don’t panic if you don’t have everything. Cost segregation firms work with incomplete records all the time. They’ll use engineering estimates and replacement cost methodology.

Step 3: Site Inspection (Half Day)

An engineer visits your property. They photograph everything. Document building systems. Measure spaces. Identify all components that might qualify for reclassification.

For a Maryland property, they’ll pay special attention to:

• Parking lots and site improvements (15-year property)
• Specialized electrical systems serving equipment
• Decorative finishes and removable partitions (5-year property)
• Landscaping and exterior lighting
• Interior non-structural elements

The inspection usually takes 2-4 hours depending on property size. They’re not invasive. They’re not tearing anything apart. Just documenting what exists.

Step 4: Engineering Analysis and Cost Allocation (2-4 Weeks)

The heavy lifting happens here. Engineers and cost segregation specialists review everything:

• Architectural plans and blueprints
• Construction documents and invoices
• Site inspection photos and notes
• IRS guidelines and case law
• Maryland building codes and requirements

They allocate costs to proper asset classes. This isn’t guesswork. It’s detailed engineering analysis backed by decades of IRS guidance, court cases, and audit technique guides.

The team prepares asset classification schedules showing every component, its cost basis, and proper depreciation period.

Step 5: Final Report and Implementation (1 Week)

You receive a comprehensive cost segregation report. This document typically runs 40-100 pages and includes:

• Executive summary of findings
• Detailed asset listing and classifications
• Depreciation schedules for each asset class
• Methodology explanation
• Supporting documentation and photographs
• IRS compliance information

The report shows exact depreciation amounts for federal returns. It also highlights the Maryland addback amounts you’ll need for Form 500DM.

Your cost segregation firm coordinates with your CPA to ensure smooth implementation. They provide fixed asset schedules in whatever format your accountant needs—Excel, QuickBooks, specific tax software.

Audit Support Included

Quality cost segregation firms stand behind their work. If the IRS questions your study, they provide audit defense at no additional charge.

Properly conducted studies rarely face challenges. The methodology is well-established. The IRS even published an Audit Technique Guide explaining what they look for. A firm following industry best practices and using detailed engineering analysis should sail through any review.

Critical Components That Make Maryland Properties Prime for Cost Segregation

Not all properties benefit equally from cost segregation. Certain building types and features consistently deliver stronger results.

Here’s what we’ve learned over thousands of studies nationwide, with specific application to Maryland properties.

Land Improvements (15-Year Property)

Maryland winters mean substantial parking lot investments. Asphalt, concrete drives, curbing, striping—all separately depreciable over 15 years instead of 39.

A typical office building in Columbia might have $250,000 or more in parking lot costs. That’s $250,000 moving from 39-year to 15-year depreciation. Even without bonus depreciation, that dramatically accelerates deductions.

Site lighting for safety and security? 15 years. Landscaping and irrigation systems? 15 years. Fencing around your Glen Burnie warehouse? 15 years.

Sidewalks, retaining walls, underground utilities serving site improvements—the list goes on. Many Maryland property owners overlook these entirely, leaving money on the table every year.

Qualified Improvement Property

The 2017 Tax Cuts and Jobs Act (as corrected by the CARES Act) treated qualified improvement property as 15-year property eligible for bonus depreciation.

Maryland conforms to the 15-year life but not the bonus depreciation. Still, moving interior improvements from 39 years to 15 years helps significantly.

QIP includes interior improvements to nonresidential buildings after the building was placed in service. Think tenant build-outs, interior remodels, HVAC replacements serving specific spaces.

A Baltimore landlord who spent $400,000 renovating office space for a new tenant can depreciate that over 15 years for both federal and Maryland purposes. Cost segregation can break down that $400,000 further—some components might qualify for 5 or 7-year treatment.

Personal Property (5 and 7-Year Property)

This category delivers the biggest impact. Carpeting. Decorative lighting. Removable partitions. Window treatments. Signage.

Restaurant owners see particularly strong results. Kitchen equipment, bar fixtures, dining room décor, bathroom finishes—much of this qualifies for 5-year depreciation.

Hotel and hospitality properties in Ocean City or Baltimore’s Inner Harbor? Furniture, artwork, specialized lighting, lobby finishes, even pool equipment can be segregated.

Medical offices have exam room equipment, specialized electrical for medical devices, and cabinetry that qualifies for shorter lives.

Maryland Property Types That Benefit Most from Cost Segregation

Let’s get specific. I want you to see yourself in these examples.

Multifamily Buildings

Maryland’s apartment market—from luxury high-rises in Bethesda to workforce housing in Frederick—consistently delivers 25-35% cost reclassification.

Think about what’s in an apartment complex beyond the basic structure:

• Individual unit finishes – appliances, cabinets, flooring, lighting
• Common area amenities – fitness equipment, pool, clubhouse
• Site improvements – parking, landscaping, mailbox stations
• Playground equipment and outdoor spaces

A 100-unit building in Silver Spring worth $25 million might identify $7 million in 5, 7, and 15-year property. With 100% federal bonus depreciation on qualifying assets, that could generate $2.5+ million in first-year federal tax savings.

Retail Properties

Strip malls, shopping centers, standalone stores—retail properties have personality. All those unique features that attract customers? Most of them qualify for accelerated depreciation.

Exterior signage. Decorative facades. Specialized lighting. Point-of-sale wiring. Display fixtures. Parking lot and landscaping.

A $2 million retail property in Annapolis might see 30-40% reclassification. That’s $600,000-$800,000 eligible for acceleration.

Office Buildings

Maryland office buildings vary wildly. Class A space in downtown Baltimore looks different than suburban offices in Gaithersburg.

But they all have components beyond the basic structure:

• Decorative lighting and specialty electrical
• Movable partitions and demising walls
• Raised flooring and data cabling
• Lobby finishes and artwork
• Parking garages and surface lots

Office buildings typically yield 20-30% cost reclassification. A $10 million building might identify $2.5 million in shorter-lived assets.

Warehouse and Industrial Properties

Don’t assume warehouses are just “steel boxes” with no segregation potential.

Loading docks. Specialized electrical for equipment. Interior offices and break rooms. Exterior lighting and security systems. Parking and truck bays.

Distribution centers near BWI or Port of Baltimore often have substantial site improvements. One 200,000 square foot warehouse we studied showed $1.8 million in 15-year site improvements from a $6 million total cost.

Hospitality Properties

Hotels and motels have the highest reclassification percentages of any property type. Furniture. Artwork. Specialized lighting. Pool and spa equipment. Landscaping.

A beachfront hotel in Ocean City or a business hotel near BWI typically sees 40-50% cost reclassification. That $8 million hotel might have $3.5 million in 5, 7, and 15-year property.

Leasehold Improvements: Tenants Can Benefit Too

Your business leases space in a Baltimore office building. The landlord gave you a $200,000 tenant improvement allowance, but you spent $400,000 building out your space. You paid the extra $200,000 out of pocket.

That $400,000 is yours to depreciate. You made the improvements. You have depreciable basis.

Without cost segregation, you’d depreciate it over 39 years (if nonresidential) or 15 years (if QIP). With cost segregation, you might identify $120,000 in 5-year property, $40,000 in 7-year property, and $80,000 in 15-year property.

That changes your first-year deduction dramatically. The time value of accelerating those deductions could fund your next location expansion.

Maryland businesses leasing space in Columbia, Rockville, or Baltimore need to understand this. Your lease doesn’t prevent you from benefiting from cost segregation on improvements you funded.

The 5 Key Points Every Maryland Property Owner Must Know

If you remember nothing else from this article, remember these five critical points about Maryland cost segregation:

1. Maryland doesn’t conform to federal bonus depreciation, but that’s okay. You’ll need to complete Form 500DM to add back bonus depreciation on your state return, but the federal tax savings far outweigh the additional Maryland tax. The math still works strongly in your favor.
2. 100% bonus depreciation returned in 2025 for federal purposes. For assets placed in service after January 19, 2025, you can immediately deduct qualifying 5, 7, and 15-year property. This dramatically accelerates tax benefits and makes cost segregation more valuable than any time since 2017.
3. Both property owners and lessees benefit from cost segregation. If you made leasehold improvements to space you lease, you can depreciate those improvements and use cost segregation to accelerate deductions. You don’t need to own the building.
4. Engineering-based studies are essential—never use online calculators or DIY methods. The IRS favors detailed engineering analysis over estimated allocations. A properly conducted study by qualified professionals provides audit protection and maximizes legitimate deductions.
5. The study cost is recoverable in year one. Even for smaller properties around $500K, the tax savings typically exceed the study cost within 12 months. For larger properties, the return on investment can be 10:1 or better.

Cost Segregation vs. Standard Depreciation: The Numbers Tell the Story

Scenario	Standard Depreciation	With Cost Segregation	Advantage
$1M Commercial Building	$25,641/year over 39 years	$325,000+ first year with bonus	12x more deductions year one
Depreciation Method	Straight-line only	Accelerated + bonus depreciation	Faster cash recovery
Federal Tax Savings (37%)	$9,487 year one	$120,250 year one	$110,763 additional savings
Maryland Requirement	No special forms needed	File Form 500DM addback	Extra paperwork, massive savings
5-Year Cash Impact	$47,435 tax savings	$165,000+ tax savings	3.5x more cash retained
Audit Risk	Minimal	Minimal with proper study	Same risk, much higher benefit

Real Maryland Property Case Study

Property: 60,000 SF office building in Columbia, Maryland
Purchase Price: $12 million
Land Value: $3 million
Building Basis: $9 million

Without Cost Segregation: Standard 39-year depreciation would provide $230,769 annual deduction. At 37% federal rate, that’s $85,385 in yearly federal tax savings.

With Cost Segregation: Engineering analysis identified $2.7 million in personal property and land improvements. With 100% bonus depreciation, the owner deducted $2.7 million in year one, plus regular depreciation on the remaining $6.3 million structure.

Results:
First-year federal depreciation: $2,861,538
Federal tax savings: $1,058,769 (at 37%)
Maryland addback required: $2.7 million
Additional Maryland tax: ~$155,250 (at 5.75%)
Net cash benefit year one: $903,519

The cost segregation study cost $18,000. The client recovered that investment 50 times over in the first year alone.

Maryland State and Local Tax Considerations

Maryland’s tax code creates complexity but not impossibility. Understanding state-specific rules helps you plan properly.

Section 179 Limitations

Maryland caps Section 179 expensing at $25,000, with a phase-out starting at $200,000 in qualifying purchases. The federal limit sits at $1,160,000 (2025) with a $2,890,000 phase-out.

This huge gap means Maryland businesses need cost segregation even more. You can’t rely on Section 179 for significant immediate deductions.

Manufacturing Exception

Maryland manufacturing businesses can claim bonus depreciation at the state level. If you operate a manufacturing facility, you get the best of both worlds—federal and state accelerated depreciation.

This exception, effective for tax years beginning after 2018, recognizes manufacturing’s importance to Maryland’s economy.

Net Operating Loss (NOL) Rules

Maryland conforms to federal NOL rules with some modifications. If cost segregation creates a loss, you need to understand how Maryland treats NOL carryforwards.

The state allows NOL carryforwards but with different limitations than federal law. Your cost segregation firm should coordinate with your tax advisor on multi-year planning.

County and Local Taxes

Maryland’s 23 counties plus Baltimore City set their own local income tax rates. These range from 2.25% to 3.20%, on top of the state rate.

Baltimore City residents pay 3.20% local rate. Montgomery County residents pay 3.20%. Howard County is 3.20%. Lower rates apply in other jurisdictions.

Cost segregation doesn’t directly affect local income taxes—they’re calculated on Maryland taxable income. But understanding your total rate helps evaluate the strategy’s overall benefit.

Getting Started with Maryland Cost Segregation

You’re convinced. Cost segregation makes sense for your Maryland property. What’s next?

Step 1: Gather Basic Property Information

Before contacting a cost segregation firm, pull together:

• Property address and description
• Purchase date and price
• Property type and square footage
• Recent improvements or renovations
• Current use (owner-occupied, rented, etc.)

You don’t need detailed records yet. Just enough for a preliminary analysis.

Step 2: Request a Free Benefit Estimate

Reputable cost segregation firms provide no-obligation benefit estimates. They’ll project potential tax savings and quote a firm fee.

This estimate typically arrives within 24-48 hours. You’ll see projected depreciation acceleration and estimated ROI.

Step 3: Evaluate the Numbers

Look at the payback ratio. If the firm projects $75,000 in first-year federal tax savings and quotes $10,000 for the study, that’s 7.5:1 payback.

Anything above 3:1 generally makes sense. Many Maryland properties deliver 10:1 or better returns.

Step 4: Choose the Right Firm

Not all cost segregation providers are equal. Look for:

• Engineering-based methodology: The IRS prefers detailed engineering analysis over estimated allocations
• Licensed professionals: Firms should employ licensed engineers or certified cost segregation professionals (CCSP)
• Audit support included: Quality firms defend their work at no additional charge
• Experience with Maryland properties: State-specific knowledge matters
• CPA coordination: The firm should work seamlessly with your existing tax advisor

Ask about their track record. How many studies have they completed? Have any been challenged by the IRS? What’s their success rate?

Step 5: Coordinate with Your CPA

Your existing CPA or tax preparer should be involved from the start. They’ll implement the study results on your tax returns.

Good cost segregation firms make this easy. They provide detailed fixed asset schedules, depreciation calculations, and Maryland-specific guidance for Form 500DM.

Your CPA doesn’t need to become a cost segregation expert. They just need to input the data the study provides.

Common Maryland Cost Segregation Misconceptions

Let me clear up some myths I hear repeatedly from Maryland property owners.

“My property is too small for cost segregation.”

Wrong. Properties as small as $500,000 regularly benefit from cost segregation. Yes, larger properties see bigger absolute dollar savings. But percentage returns often remain consistent across property values.

A $750,000 retail building in Salisbury might cost $6,500 to study. If it saves $25,000 in federal taxes year one, that’s still nearly 4:1 return.

“Cost segregation will trigger an audit.”

Nope. Properly conducted cost segregation studies follow well-established IRS guidelines. The methodology has been around since the 1990s. Courts have ruled on countless cases.

The IRS even published an Audit Technique Guide explaining how they review cost segregation. That’s not something they do for sketchy tax strategies.

Studies conducted by qualified professionals using detailed engineering analysis face the same audit risk as any other depreciation deduction. Which is to say, minimal risk.

“I need to own the property outright to benefit.”

False. Lessees can benefit from cost segregation on leasehold improvements they funded. If you made improvements to leased space, you can accelerate depreciation on your investment.

“Maryland’s bonus depreciation rules kill the benefit.”

Not true. Yes, Maryland requires you to add back federal bonus depreciation. But you’re still deferring massive federal taxes. The additional Maryland tax is a fraction of the federal savings.

Plus, Maryland allows you to depreciate the assets over their regular MACRS schedules. You’re still accelerating deductions compared to 39-year depreciation—just not getting the bonus kicker at the state level.

“I can use online calculators instead of paying for a study.”

Bad idea. The IRS strongly disfavors “detailed engineering estimates” (their nice term for guesswork) over actual engineering-based analysis.

Online calculators can’t replace:

• Physical site inspections
• Detailed component analysis
• Proper documentation
• Audit support

Saving a few thousand dollars on the study could cost you hundreds of thousands if the IRS challenges weak documentation.

“I bought my property years ago, so it’s too late.”

Wrong again. Cost segregation works as a “catch-up” strategy through Form 3115 (Application for Change in Accounting Method).

You can claim missed depreciation from prior years without amending returns. The accumulated missed deductions get claimed in the current year.

Bought an office building in Baltimore in 2018? You can do cost segregation in 2025 and claim all the depreciation you should have taken for 2018-2024, plus normal depreciation going forward.

Maryland Recordkeeping and Audit Readiness

The IRS wants to see proper documentation if they ever review your return. Maryland does too.

Your cost segregation report becomes part of your permanent tax records. Keep it for the entire time you own the property, plus seven years after sale.

The report should include:

• Detailed asset listing and classifications
• Depreciation schedules for each asset class
• Methodology explanation
• Engineer qualifications and certifications
• Supporting documentation (photos, plans, cost records)
• IRS compliance statements

For Maryland purposes, maintain documentation of:

• Form 500DM calculations each year
• Bonus depreciation addback amounts
• Separate federal and state depreciation schedules

Your CPA should integrate this into your existing tax filing system. Most modern tax software handles it easily once the initial setup is complete.

The Future of Cost Segregation in Maryland

Tax laws change. That’s reality.

The 100% bonus depreciation that returned in 2025 could change again. Maryland’s conformity rules might shift. Congress might pass new legislation.

But the fundamental concept of cost segregation—properly classifying assets by their actual tax lives—isn’t going anywhere. It’s based on IRS code sections that have existed for decades.

Even without bonus depreciation, cost segregation delivers value. Accelerating depreciation from 39 years to 5, 7, or 15 years improves cash flow regardless of bonus rules.

Smart Maryland property owners stay informed about tax law changes. They work with advisors who understand both federal and state implications. And they act when opportunities arise.

Right now, in late 2025, with 100% bonus depreciation available for federal purposes, the opportunity is enormous. Properties placed in service after January 19, 2025 qualify for full first-year expensing of segregated assets.

That window might not stay open forever. Take advantage while it exists.

Taking Control of Your Tax Strategy

You work hard for your money. You invest in Maryland real estate—taking risks, managing properties, dealing with tenants, maintaining buildings.

The government doesn’t hand out participation trophies. They don’t reward you for trying. But they do allow legitimate strategies to minimize your tax burden.

Cost segregation is one of the most powerful tools in your arsenal. It’s not a loophole. It’s not aggressive tax planning. It’s using the tax code exactly as written.

Every year you don’t implement cost segregation is a year of lost deductions. You can’t go back and recapture all of it—there are limits on lookback periods.

Maryland property owners face unique challenges. Higher state taxes. Bonus depreciation nonconformity. Complex local regulations. But none of that eliminates the benefit of cost segregation.

The math works. The return on investment is clear. The methodology is proven.

Whether you own a warehouse near BWI, an apartment building in College Park, an office complex in Columbia, or retail space anywhere in Maryland, cost segregation likely makes sense if you’re paying federal income taxes.

Don’t leave money on the table. Don’t overpay the IRS. Take the deductions the tax code allows.

Your competition is already doing this. The sophisticated investors are accelerating depreciation. The national REITs and institutional owners have teams of tax professionals maximizing every advantage.

Level the playing field. Use the same strategies the big players use.

The first step costs nothing. Request a benefit estimate. See the numbers. Make an informed decision.

If the analysis shows strong returns, move forward. If not, you’ve lost nothing but 20 minutes of time.

But if you don’t investigate, you’re guaranteed to leave money on the table. That’s the worst outcome of all.

Maryland Cost Segregation FAQs

Cost Segregation State Links

Alabama	Alaska	Arizona	Arkansas	California
Colorado	Connecticut	Delaware	Florida	Georgia
Hawaii	Idaho	Illinois	Indiana	Iowa
Kansas	Kentucky	Louisiana	Maine	Maryland
Massachusetts	Michigan	Minnesota	Mississippi	Missouri
Montana	Nebraska	Nevada	New Hampshire	New Jersey
New Mexico	New York	North Carolina	North Dakota	Ohio
Oklahoma	Oregon	Pennsylvania	Rhode Island	South Carolina
South Dakota	Tennessee	Texas	Utah	Vermont
Virginia	Washington	West Virginia	Wisconsin	Wyoming

Citations

• Maryland Comptroller. (2025). Tax Updates from the 2025 Legislative Session. https://www.marylandcomptroller.gov/individuals/2025-tax-updates.html
• Bloomberg Tax. (2023). State Conformity to Federal Bonus Depreciation. https://pro.bloombergtax.com/insights/federal-tax/state-conformity-to-federal-bonus-depreciation/
• Maryland Comptroller. (2020). CARES Act Tax Alert 7-24. https://www.marylandcomptroller.gov/content/dam/mdcomp/tax/legal-publications/alerts/Income_Tax_Alert_07_20.pdf
• BDO. (2025). OBBBA Revenue Effects: Key Takeaways from Maryland’s Report. https://www.bdo.com/insights/tax/maryland-releases-60-day-report-on-revenue-effects-of-obbba
• Newmark. (2025). Baltimore Real Estate Market Report Q3 2025. https://www.nmrk.com/insights/market-report/baltimore-market-reports
• HCVT. Viability of Cost Segregation Studies for Tax Year 2025. https://www.hcvt.com/alertarticle-Cost-Segregation
• Willowdale Equity. (2025). How Much Does a Cost Segregation Study Cost? https://willowdaleequity.com/blog/how-much-does-a-cost-segregation-study-cost/
• Windes. (2025). FAQs and Answers About Cost Segregation Studies. https://windes.com/faqs-answers-cost-segregation-studies/