Cost Segregation Study
A full engineering-based analysis of your apartment building that reclassifies assets into 5-, 7-, and 15-year depreciation schedules, unlocking substantial front-loaded tax deductions with audit defense included.
Apartment building owners are leaving significant tax savings on the table every year. Seneca Cost Segregation's engineering-based studies reclassify your property's components into shorter depreciation schedules, generating front-loaded deductions that boost cash flow fast. With over 10,200 studies completed nationwide and an average first-year deduction of $171,243, discover what your multifamily property could be worth.
Comprehensive cost segregation solutions tailored for apartment building owners seeking maximum accelerated depreciation benefits.
A full engineering-based analysis of your apartment building that reclassifies assets into 5-, 7-, and 15-year depreciation schedules, unlocking substantial front-loaded tax deductions with audit defense included.
Already own your apartment building? Claim all missed depreciation from prior years in a single tax year using IRS Form 3115—no amended returns required, available for properties placed in service up to 15 years ago.
Skip costly on-site visits with a convenient 30-45 minute video call inspection. Our engineers conduct real-time component identification and digital documentation, reducing turnaround time to just 2-3 weeks.
Every study includes Seneca AuditDefense at no extra charge—covering your apartment property for as long as you own it, with a potential study cost refund if a material issue arises during audit.
Post-study support ensures your CPA can seamlessly implement depreciation schedules into current or prior-year returns, including Form 3115 preparation and direct coordination with your tax professional.
Need your apartment building study completed before a tax deadline? Our expedited service delivers fully engineered studies in as little as one week, prioritized to meet your specific timing requirements.
We assess your apartment building's eligibility, run a preliminary savings estimate, and provide a transparent breakdown of study costs and projected ROI—completely free, with no obligation. Most apartment buildings with a depreciable basis above $300,000 qualify for meaningful savings.
See how apartment building owners across the country are accelerating their wealth 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."
"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 Seneca for a Cost Seg Study and they went above and beyond. Their eagerness to help and province of 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."
"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"
"Their team was incredibly professional, prompt, and easy to work with."
"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."
"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."
"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 Seneca for a Cost Seg Study and they went above and beyond. Their eagerness to help and province of 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."
"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"
"Their team was incredibly professional, prompt, and easy to work with."
"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."
"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."
"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 Seneca for a Cost Seg Study and they went above and beyond. Their eagerness to help and province of 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."
"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"
"Their team was incredibly professional, prompt, and easy to work with."
"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."
"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."
We combine engineering precision, real estate investment experience, and industry-leading service to deliver apartment building cost segregation studies you can trust.
Every study is built on rigorous engineering analysis and proprietary IRS-compliant technology, ensuring precision and defensibility for your apartment property.
Our engineering team is deployed across all 50 states, supporting apartment building owners from coast to coast with remote virtual tours or on-site visits.
Every apartment study includes our AuditDefense guarantee at no extra cost—covering you for the entire duration of ownership with a potential refund if issues arise.
Seneca was founded by active multifamily investors with over a decade of real estate experience, so we understand the financial goals driving your apartment portfolio.
Real estate investors and engineers who understand your apartment building's financial potential.
Co-Founder and CEO
Dylan Scandalios brings deep personal experience as a multifamily real estate investor in the Pacific Northwest to his role leading Seneca Cost Segregation. Prior to co-founding Seneca, Dylan closed millions of dollars of business for both public and private companies along the West Coast, developing a sharp understanding of complex financial transactions and client relationships. As a Cost Segregation Expert and Owner, Dylan has directly helped hundreds of real estate investors—including apartment building owners across all 50 states—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 a fellow investor, not just a service provider, ensuring that the strategies recommended are practical, impactful, and tailored to real portfolio growth.
Co-Founder
Paul Spies is a Marine Corps Sergeant whose discipline and leadership have defined his approach to both real estate and cost segregation. With over 8 years of expertise in real estate construction, Paul serves as a Principal Broker and Licensed Contractor who successfully flipped over 150 homes in four years and led ground-up multifamily construction projects from start to finish. Having personally leveraged cost segregation since 2018 to accelerate his own investment returns, Paul co-founded Seneca Cost Segregation with a mission to make the same competitive tax advantage accessible to all real estate investors—including apartment building owners—at an affordable price point with reliable, on-time delivery. His background in construction gives him unmatched insight into the engineering classifications that drive maximum depreciation benefits.
Chairman
Howard Hirsch serves as Chairman of Seneca Cost Segregation, providing strategic oversight and governance to the firm's continued growth. With extensive experience in real estate and financial services, Howard brings a high-level perspective that guides Seneca's commitment to engineering excellence, IRS compliance, and exceptional client outcomes for apartment building owners and commercial real estate investors nationwide.
Cost segregation for apartments is an IRS-approved tax strategy where an engineering team analyzes your apartment building and reclassifies structural components—such as flooring, lighting, landscaping, and electrical systems—into shorter depreciation categories (5, 7, or 15 years) instead of the standard 27.5 years. This accelerates your depreciation deductions, significantly reducing taxable income in the early years of ownership and boosting your available cash flow for reinvestment.
Speak with one of our apartment building specialists for a free, no-obligation consultation.
Seneca Cost Segregation serves apartment building owners in all 50 states with virtual and on-site study options.
All 50 States
Service Coverage
10,200+
Studies Completed
95%
Client Referral Rate
We serve apartment building owners nationwide—reach out to confirm coverage for your property.
Member of the American Society of Cost Segregation Professionals
Certified Cost Segregation Professional designation awarded by ASCSP
Perfect 5-star average rating from satisfied clients nationwide
Tell us about your property and we'll provide a no-obligation preliminary analysis showing your estimated first-year tax savings and ROI—typically within 24 hours.
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