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Cost Segregation Services for Apartment Complexes

Owning an apartment complex means significant capital tied up in depreciating assets—but are you maximizing every deduction available? Seneca Cost Segregation delivers engineering-based studies that reclassify your multifamily property components into shorter depreciation schedules, unlocking front-loaded tax savings that average $171,243 in year one. Discover how much your complex qualifies for with a free estimate.

Cost segregation engineer reviewing apartment complex blueprints for tax depreciation study

Our Cost Segregation Services

Comprehensive cost segregation solutions designed to maximize tax savings for apartment complex owners and multifamily investors.

Cost Segregation Study

A full engineering-based analysis of your apartment complex that reclassifies assets into 5, 7, or 15-year depreciation schedules—unlocking significant first-year tax deductions and improving your cash flow immediately.

Lookback Study

Already own your apartment complex? Claim all missed depreciation from the past 15 years in a single tax year using IRS Form 3115—no amended returns required and no savings left on the table.

Virtual Property Tours

Skip costly on-site visits with our convenient video call inspection. Our engineering team performs real-time component identification and documentation in just 30–45 minutes, delivering results in 2–3 weeks.

IRS Audit Defense

Every cost segregation study includes our Seneca AuditDefense guarantee at no additional charge. We handle all IRS inquiries and defend your report for as long as you own the property.

CPA Coordination

We work directly with your accountant post-study to seamlessly implement depreciation schedules into your tax returns, including Form 3115 support for lookback studies—included at no extra cost.

Rush Service

Need your cost segregation study before a pressing tax deadline? Our expedited service delivers completed studies in as little as one week, prioritizing your property without sacrificing engineering accuracy.

Cost segregation engineer conducting virtual property inspection for apartment complex

Our 3-Step Cost Segregation Process for Apartment Complexes

Step 1: Free Consultation & Savings Estimate

We begin with a no-obligation consultation to assess your apartment complex's eligibility, provide a preliminary savings estimate, and give you a transparent breakdown of study costs and expected ROI. Properties with a building basis above $300,000 typically see returns of 10:1 to 25:1.

Step 2: Virtual or On-Site Property Inspection

Step 3: Engineering Analysis & Report Delivery

Trusted By Investors

Client Success Stories

See how apartment complex owners across the U.S. are unlocking massive tax savings with Seneca Cost Segregation.

"Extremely professional and efficient in their cost set analysis. Great communication and transparency. Will be using them going forward on all my properties."

Jacob Basch
Jacob Basch

"Dylan and his team at Seneca Cost Segregation are extremely knowledgeable. When I explored their website, it was clear they knew their stuff. It offered a very professional approach to cost segregation, backed by years of experience."

Steven Schneider
Steven Schneider

"We contacted Seneca for a Cost Seg Study and they went above and beyond. Their eagerness to help and province of info will blow you away."

Brayant Rivera

"We contacted Dylan for a cost seg study and he went above and beyond Not only will their pricing be the best price you will find, his eagerness to help and province info will blow you away"

Jayce Parks
Jayce Parks

"The tax savings achieved with Seneca Cost Segregation made a major impact on my bottom line. I wasn't aware it was a possibility until they brought the opportunity to me. Their insight and expertise are invaluable."

Robert Riskin

"Their team was incredibly professional, prompt, and easy to work with."

Trent Hanson

"I couldn't be more pleased with the results. Their team was incredibly professional, prompt, and easy to work with. I achieved a highly favorable tax situation and recommend Seneca to anyone looking to maximize their tax benefits."

Trent H

"Seamless experience with great results. Highly recommend!"

Kim Giardino
Kim Giardino

"I've referred multiple clients to Seneca, and each time they uncovered significant tax savings. Their team is fast, professional, and easy to work with. They've become a trusted extension of our tax strategy."

Eliot Varnum
Eliot Varnum

"Extremely professional and efficient in their cost set analysis. Great communication and transparency. Will be using them going forward on all my properties."

Jacob Basch
Jacob Basch

"Dylan and his team at Seneca Cost Segregation are extremely knowledgeable. When I explored their website, it was clear they knew their stuff. It offered a very professional approach to cost segregation, backed by years of experience."

Steven Schneider
Steven Schneider

"We contacted Seneca for a Cost Seg Study and they went above and beyond. Their eagerness to help and province of info will blow you away."

Brayant Rivera

"We contacted Dylan for a cost seg study and he went above and beyond Not only will their pricing be the best price you will find, his eagerness to help and province info will blow you away"

Jayce Parks
Jayce Parks

"The tax savings achieved with Seneca Cost Segregation made a major impact on my bottom line. I wasn't aware it was a possibility until they brought the opportunity to me. Their insight and expertise are invaluable."

Robert Riskin

"Their team was incredibly professional, prompt, and easy to work with."

Trent Hanson

"I couldn't be more pleased with the results. Their team was incredibly professional, prompt, and easy to work with. I achieved a highly favorable tax situation and recommend Seneca to anyone looking to maximize their tax benefits."

Trent H

"Seamless experience with great results. Highly recommend!"

Kim Giardino
Kim Giardino

"I've referred multiple clients to Seneca, and each time they uncovered significant tax savings. Their team is fast, professional, and easy to work with. They've become a trusted extension of our tax strategy."

Eliot Varnum
Eliot Varnum

"Extremely professional and efficient in their cost set analysis. Great communication and transparency. Will be using them going forward on all my properties."

Jacob Basch
Jacob Basch

"Dylan and his team at Seneca Cost Segregation are extremely knowledgeable. When I explored their website, it was clear they knew their stuff. It offered a very professional approach to cost segregation, backed by years of experience."

Steven Schneider
Steven Schneider

"We contacted Seneca for a Cost Seg Study and they went above and beyond. Their eagerness to help and province of info will blow you away."

Brayant Rivera

"We contacted Dylan for a cost seg study and he went above and beyond Not only will their pricing be the best price you will find, his eagerness to help and province info will blow you away"

Jayce Parks
Jayce Parks

"The tax savings achieved with Seneca Cost Segregation made a major impact on my bottom line. I wasn't aware it was a possibility until they brought the opportunity to me. Their insight and expertise are invaluable."

Robert Riskin

"Their team was incredibly professional, prompt, and easy to work with."

Trent Hanson

"I couldn't be more pleased with the results. Their team was incredibly professional, prompt, and easy to work with. I achieved a highly favorable tax situation and recommend Seneca to anyone looking to maximize their tax benefits."

Trent H

"Seamless experience with great results. Highly recommend!"

Kim Giardino
Kim Giardino

"I've referred multiple clients to Seneca, and each time they uncovered significant tax savings. Their team is fast, professional, and easy to work with. They've become a trusted extension of our tax strategy."

Eliot Varnum
Eliot Varnum
The Seneca Difference

Why Choose Seneca Cost Segregation?

We combine over 12 years of real estate investment experience with certified engineering expertise to deliver cost segregation studies that are accurate, IRS-compliant, and built to maximize your returns.

Proven Track Record

Over 10,200 properties assessed nationwide with an average first-year deduction of $171,243 for our clients.

Certified Expertise

ASCSP-certified professionals with the CCSP designation and licensed engineers ensuring every study meets IRS standards.

Nationwide Coverage

Deployed across all 50 states, serving apartment complex owners from high-rise markets to suburban multifamily communities everywhere.

Guaranteed Protection

Our Seneca AuditDefense guarantee covers your apartment complex for as long as you own it—at zero additional cost.

Meet the Seneca Team

Real estate investors and certified engineers who understand apartment complex ownership.

Dylan Scandalios, Co-Founder and CEO of Seneca Cost Segregation

Dylan Scandalios

Co-Founder and CEO

Dylan Scandalios is an active investor in multi-family properties across the Pacific Northwest, giving him firsthand insight into the tax challenges apartment complex owners face. Before co-founding Seneca Cost Segregation, Dylan closed millions of dollars in business for both public and private companies along the West Coast, building deep expertise in real estate finance and tax strategy. As a Cost Segregation Expert and Owner of Seneca Cost Segregation, Dylan has helped real estate investors—from small multifamily operators to large apartment complex portfolios—save millions on their taxes. His investor-first perspective ensures every study is tailored to maximize real-world financial outcomes, not just deliver paperwork.

Paul Spies, Co-Founder of Seneca Cost Segregation

Paul Spies

Co-Founder

Paul Spies is a Marine Corps Sergeant whose discipline and precision now drive Seneca Cost Segregation's operational excellence. With over 8 years of expertise in real estate construction, Paul is a Principal Broker and Licensed Contractor who successfully flipped over 150 homes in 4 years and led ground-up multi-family development projects from conception to completion. Having personally used cost segregation since 2018 to maximize returns on his own investment portfolio, Paul co-founded Seneca Cost Segregation with a clear mission: to bring the same competitive tax advantage he benefited from to apartment complex owners and real estate investors nationwide—at an affordable price, delivered on time.

Howard Hirsch, Chairman of Seneca Cost Segregation

Howard Hirsch

Chairman

Howard Hirsch serves as Chairman of Seneca Cost Segregation, bringing executive-level leadership and strategic oversight to the firm's continued growth and expansion. His guidance supports Seneca's mission to deliver engineering-based cost segregation studies of the highest standard to apartment complex owners and real estate investors across all 50 states. Howard's leadership ensures that Seneca maintains its commitment to accuracy, IRS compliance, and exceptional client outcomes on every study completed by the engineering team.

Frequently Asked Questions

Can you do cost segregation on a rental property?

Yes, cost segregation can be applied to virtually any income-producing rental property, including single-family rentals, multifamily units, and apartment complexes. The study reclassifies components like flooring, cabinetry, landscaping, and site utilities into shorter depreciation schedules (5, 7, or 15 years), accelerating deductions and significantly improving your cash flow in the early years of ownership.

What components of an apartment complex qualify for accelerated depreciation?

How much can apartment complex owners typically save with cost segregation?

Is cost segregation IRS-compliant for apartment complexes?

How long does a cost segregation study take for an apartment complex?

Can I claim cost segregation on an apartment complex I purchased years ago?

Do I need to be present for the property inspection?

What does the cost segregation study report include for my CPA?

Still Have Questions About Cost Segregation?

Talk to a certified cost segregation specialist for a free, no-obligation consultation and savings estimate.

We Serve All 50 States

Seneca Cost Segregation delivers engineering-based studies to apartment complex owners and multifamily investors across the entire United States.

All 50 States

Service Area

10,200+

Properties Assessed

95%

Client Referral Rate

Do We Service Your State?

We're deployed nationwide—reach out to confirm coverage and get your free savings estimate today.

Certified & Trusted

Awards and Recognition

ASCSP Certified Cost Segregation Professional (CCSP) badge

CCSP Designation

Certified Cost Segregation Professionals on every study.

5-star client satisfaction rating badge for Seneca Cost Segregation

5.0 Star Rating

Perfect rating from satisfied clients nationwide.

Seneca AuditDefense IRS audit protection guarantee badge

Seneca AuditDefense

Iron-clad IRS audit protection included with every study.

Get Your Free Cost Segregation Estimate Today

Tell us about your apartment complex and we'll provide a no-obligation savings estimate and ROI analysis within one business day. Our specialists are ready to show you exactly how much you could be keeping more of your investment income.

Contact Us Today

For immediate assistance, feel free to give us a direct call at +1 530-797-6539 You can also send us a quick email at info@senecacostseg.com