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.
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.
Comprehensive cost segregation solutions designed to maximize tax savings for apartment complex owners and multifamily investors.
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.
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.
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.
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.
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.
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.
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.
See how apartment complex owners across the U.S. are unlocking massive tax savings with Seneca Cost Segregation.
"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."
"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."
"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."
"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"
"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."
"Their team was incredibly professional, prompt, and easy to work with."
"Seamless experience with great results. Highly recommend!"
"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."
"Extremely professional and efficient in their cost set analysis. Great communication and transparency. Will be using them going forward on all my properties."
"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."
"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."
"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."
"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"
"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."
"Their team was incredibly professional, prompt, and easy to work with."
"Seamless experience with great results. Highly recommend!"
"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."
"Extremely professional and efficient in their cost set analysis. Great communication and transparency. Will be using them going forward on all my properties."
"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."
"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."
"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."
"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"
"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."
"Their team was incredibly professional, prompt, and easy to work with."
"Seamless experience with great results. Highly recommend!"
"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."
"Extremely professional and efficient in their cost set analysis. Great communication and transparency. Will be using them going forward on all my properties."
Over 10,200+ engineered cost segregation studies completed across the United States. Average first-year tax deduction: $171,243
Studies Completed
Avg Tax Savings
Partners
"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 CPA, Varnum, Finch & Co. "Every client we send their way whether it's their first cost segregation study or their seventh is treated like their most important client. Their team's attention to detail, responsiveness, and genuine commitment to adding value set them apart."
Matt Bontrager CEO, Truebooks CPA 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.
Over 10,200 properties assessed nationwide with an average first-year deduction of $171,243 for our clients.
ASCSP-certified professionals with the CCSP designation and licensed engineers ensuring every study meets IRS standards.
Deployed across all 50 states, serving apartment complex owners from high-rise markets to suburban multifamily communities everywhere.
Our Seneca AuditDefense guarantee covers your apartment complex for as long as you own it at zero additional cost.
Real estate investors and certified engineers who understand apartment complex ownership.
Co-Founder and CEO
Dylan Scandalios is an active investor in multi-family properties in the Pacific Northwest and a recognized Cost Segregation Expert. Before founding Seneca Cost Segregation, Dylan closed millions of dollars in business for both public and private companies along the West Coast, developing deep expertise in real estate finance and tax strategy. As CEO, Dylan has helped thousands of real estate investors including office building owners save millions on their federal taxes through engineering-based cost segregation studies. His hands-on investment background means he approaches every client engagement with the perspective of an investor, not just a service provider. Under his leadership, Seneca has completed over 10,200 studies nationwide and achieved a 95% client referral rate.
Co-Founder
Paul Spies is a Marine Corps Sergeant who brings over 8 years of hands-on expertise in real estate construction to Seneca Cost Segregation. As a Principal Broker and Licensed Contractor, Paul successfully flipped over 150 homes in just four years and led ground-up multi-family development projects across the country. Having leveraged cost segregation personally since 2018 to maximize returns on his own office and residential properties, Paul co-founded Seneca to make the same powerful tax strategy accessible to investors nationwide at an affordable price point and delivered on time. His construction background gives Seneca a unique engineering advantage when analyzing complex office building components and systems.
Chairman
Howard Hirsch serves as Chairman of Seneca Cost Segregation, providing executive leadership and strategic oversight to the firm's continued national expansion. With deep experience in financial services and real estate advisory, Howard helps guide Seneca's direction as it scales its engineering-based cost segregation services to property owners across all 50 states, including California's dynamic real estate market. His leadership ensures the company maintains its commitment to technical excellence, client satisfaction, and IRS-compliant study delivery that protects clients through every phase of property ownership.
President/Treasurer
Harry Papp serves as President and Treasurer of Seneca Cost Segregation, overseeing the company's operational and financial integrity. His dual role ensures that client investments in cost segregation studies generate maximum ROI through rigorous financial management and disciplined operational processes. Harry's leadership directly supports Seneca's ability to deliver studies on time and within budget a standard that has helped the firm achieve a 95% client referral rate and an average first-year deduction of $171,243 for property owners across California and the rest of the nation.
Merle Rosskam
CEO
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.
Talk to a certified cost segregation specialist for a free, no-obligation consultation and savings estimate.
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
We're deployed nationwide, reach out to confirm coverage and get your free savings estimate today.
Certified Cost Segregation Professionals on every study.
Perfect rating from satisfied clients nationwide.
Iron-clad IRS audit protection included with every study.
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.
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.
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.