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.
"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 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 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.
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.