Cost Segregation Study
Full engineering-based analysis that reclassifies property assets into 5-, 7-, or 15-year depreciation schedules, accelerating deductions and delivering an average first-year tax savings of $171,243.
New York real estate investors face some of the nation's highest tax burdens — but a cost segregation study can turn 20–40% of your property's cost into immediate, IRS-compliant tax deductions. Whether you own a Manhattan commercial building, a Brooklyn multifamily, or upstate investment property, Seneca Cost Segregation delivers engineering-based studies in 2–4 weeks with an average first-year deduction of $171,243.
Comprehensive engineering-based cost segregation solutions for every property type and investor need across New York.
Full engineering-based analysis that reclassifies property assets into 5-, 7-, or 15-year depreciation schedules, accelerating deductions and delivering an average first-year tax savings of $171,243.
Claim all missed depreciation on properties placed in service up to 15 years ago — without amending prior returns. We use IRS Form 3115 to capture every dollar owed to you.
Complete your property inspection via a 30–45-minute video call at your convenience. Virtual inspections reduce cost and accelerate turnaround to 2–3 weeks with no site visit required.
Every study includes Seneca AuditDefense at no additional charge. We handle all IRS communications and field inquiries for the full duration of your property ownership — backed by a money-back guarantee.
Post-study support ensures your CPA can seamlessly implement depreciation schedules into current or prior-year tax returns, including Form 3115 preparation and ongoing advisory access.
Need results before a tax deadline? Our expedited service delivers completed studies in as little as one week, so New York investors never miss a filing window.
We assess your New York property's eligibility, calculate a preliminary savings estimate, and provide a transparent breakdown of costs and expected ROI — all at no charge. Most property owners see a 10:1 to 25:1 return on study investment.
See how New York property owners are saving tens of thousands in taxes with Seneca Cost Segregation.
"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 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"
"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."
"Their team was incredibly professional, prompt, and easy to work with."
"Seamless experience with great results. Highly recommend!"
"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 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"
"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."
"Their team was incredibly professional, prompt, and easy to work with."
"Seamless experience with great results. Highly recommend!"
"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 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"
"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."
"Their team was incredibly professional, prompt, and easy to work with."
"Seamless experience with great results. Highly recommend!"
New York investors trust Seneca for our engineering rigor, proven track record, and commitment to delivering maximum tax savings — on time and IRS-compliant.
Over 10,200 studies completed nationwide — including high-value New York commercial and multifamily assets — with a 95% client referral rate.
Our CCSP-certified engineers apply IRS-compliant engineering techniques that stand up to scrutiny, not estimates or software shortcuts.
Every New York client receives lifetime IRS audit defense at no extra cost — backed by a money-back guarantee for the life of their property ownership.
Studies delivered in 2–4 weeks — significantly faster than the industry standard — so you can reinvest tax savings into your next New York property sooner.
Real estate investors and engineers who have walked in your shoes.
Co-Founder and CEO
Dylan Scandalios brings a rare combination of real-world investing experience and deep cost segregation expertise to every New York client engagement. An active investor in multi-family properties across the Pacific Northwest, Dylan closed millions in business for public and private companies before co-founding Seneca Cost Segregation. As CEO, he has helped real estate investors across all 50 states — including New York's competitive commercial and multifamily markets — save millions on their federal taxes through engineering-based cost segregation studies. Dylan's hands-on investment background means he understands the financial pressures New York investors face and delivers solutions built around maximum ROI, speed, and IRS compliance. His leadership has helped grow Seneca to over 10,200 completed studies and a 95% client referral rate.
Co-Founder
Paul Spies is a Marine Corps Sergeant whose discipline and precision translate directly into the engineering rigor behind every Seneca cost segregation study. With over 8 years of expertise in real estate construction, Paul is a licensed Principal Broker and Licensed Contractor who has flipped over 150 homes in 4 years and led ground-up multi-family development projects. Having personally used cost segregation since 2018 to gain a competitive edge as an investor, Paul co-founded Seneca to make that same advantage accessible to property owners nationwide — including New York investors navigating complex commercial and residential portfolios. His construction and brokerage background gives Seneca an unmatched perspective on property asset classification, ensuring every study is both accurate and audit-ready.
A cost segregation study is an engineering-based analysis that reclassifies components of your property from 27.5- or 39-year depreciation schedules into shorter 5-, 7-, or 15-year categories. This accelerates your depreciation deductions, reducing your taxable income significantly in the early years of ownership. For New York investors, the average first-year deduction achieved through a Seneca study is $171,243.
Speak with a cost segregation expert and get a free, no-obligation savings estimate for your New York property.
Seneca Cost Segregation delivers engineering-based studies to property owners across New York and all 50 states.
All 50 States
Service Coverage
10,200+
Studies Completed
95%
Client Referral Rate
We serve property owners across all of New York — get a free consultation today.
Proud member of the American Society of Cost Segregation Professionals.
Certified Cost Segregation Professional designation held by our engineering team.
Perfect five-star rating from satisfied real estate investors nationwide.
Tell us about your property and we'll provide a no-obligation savings analysis — including your estimated first-year deduction and expected ROI — within one business day.
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