Decoupled from §168(k) + §168(n)
New York Requires Bonus Depreciation Addback
10.9% Top Individual · 7.25% NY State + 8.85% NYC = ~16% Top Combined Corporate
Federal Deduction Amplified
22–35% Typical Reclassification
New York Building Value into Short-Life Assets
All Commercial Asset Classes
Statewide New York
The Basics
What Cost Segregation Does for New York Property Owners
A cost segregation study identifies building components HVAC systems, specialty flooring, parking surfaces, interior finishes, exterior lighting that qualify for accelerated depreciation on 5-, 7-, or 15-year schedules rather than the default 27.5-year (residential rental) or 39-year (commercial) building schedule. Front-loading those deductions increases first-year cash flow and lowers current-year federal taxable income.
In New York, the federal benefit works the same way it does anywhere the One Big Beautiful Bill (OBBBA, P.L. 119-21) permanently restored 100% bonus depreciation for qualified property placed in service after January 19, 2025, and that federal benefit applies to New York properties in full. State-level treatment is where New York is different: New York has long decoupled from federal §168(k) bonus depreciation (N.Y. Tax Law §208(9)(b)(17)). Under the FY 2026-2027 budget enacted in 2026, New York also decouples from §168(n) qualified production property, retroactive to tax years beginning January 1, 2025. New York does still allow bonus depreciation for qualified Resurgence Zone property and qualified New York Liberty Zone property (N.Y. Tax Law §208(9)(q)). Otherwise, federal bonus depreciation must be added back on the New York return; property depreciates via regular MACRS on the state return.
The Country’s Most Hostile State + City Combined Profile
New York’s Tax Landscape: Why Cost Segregation Matters Here
Individual Income Tax
Graduated from 4% to 10.9% top rate (Tax Foundation 2026) one of the highest top individual rates in the country. New York City residents also pay NYC personal income tax (~3.876% top).
New York State Corporate Franchise Tax
6.5% base rate for most taxpayers; 7.25% for taxpayers with business income over $5 million (extended through tax years ending before January 1, 2030, per FY 2026-2027 budget). Capital base tax rate of 0.1875% also extended through the same period.
NYC Business Corporation Tax (BCT)
8.85% additional NYC-level tax on C-Corps doing business in NYC. Combined NY State (7.25% top) + NYC BCT (8.85%) = ~16.1% effective top corporate rate for large NYC-based corporations among the highest state + local corporate rates in the country.
NYC General Corporation Tax (GCT)
Applies to S-Corps (unlike most states, NYC treats S-Corps as taxable corporations at 8.85% entity-level).
Bonus Depreciation Conformity
Decoupled from §168(k) long-standing (N.Y. Tax Law §208(9)(b)(17)). Also decoupled from §168(n) qualified production property under the FY 2026-2027 budget (retroactive to tax years beginning January 1, 2025). Exceptions: qualified Resurgence Zone and NY Liberty Zone property (N.Y. Tax Law §208(9)(q)).
§179 Expensing
New York generally conforms to federal §179 amounts. [VERIFY current NY treatment against most recent NY DTF guidance.]
§174/§174A R&E
New York does not follow OBBBA’s repeal of §174 domestic R&E capitalization domestic R&E must continue to be capitalized and amortized for New York purposes.
New York City Pied-À-Terre Surcharge
Effective July 1, 2026, NYC imposes a surcharge on non-primary-residence condominiums and co-ops with market values above $1M (Class Two) or $5M (Class One), at rates ranging from 0.8% up to 6.5% on values above the thresholds. Applies to trusts, LLCs, and corporations via “look-through” provisions.
PTET (Pass-Through Entity Tax)
New York offers a PTET election for federal SALT-cap workaround purposes.
Property Tax
~1.4% effective on owner-occupied housing (Tax Foundation 2026 combined state + local averages). Effective property tax rates and dollar amounts vary widely across the state. A separate lever from income tax.
§481(a) Catch-Up
For New York properties owned more than a year without a study, an automatic accounting-method change (Form 3115 under Rev. Proc. 2015-13 and its updates) captures all missed depreciation into the current tax year at the federal level no amended returns required.
Every Commercial Asset Class in New York
New York Property Types Where Cost Segregation Delivers
Manhattan Class A office
Midtown (Park Avenue, Sixth Avenue, Bryant Park), Downtown (Wall Street, One World Trade, Battery Park), Hudson Yards, and Times Square. Some of the highest-value commercial properties in the world.
Financial services
Wall Street, Midtown financial (JPMorgan, Goldman Sachs, Morgan Stanley, Citigroup, BlackRock). Class A specialty office property.
NYC multifamily
Manhattan, Brooklyn, Queens, Bronx, Staten Island — one of the world’s largest and most valuable multifamily markets. Rent-stabilized and market-rate portfolios.
Hospitality & tourism
Manhattan hotels (Waldorf Astoria, Plaza, St. Regis, etc.), Hudson Valley and Finger Lakes destination hospitality, Long Island’s Hamptons and North Fork.
Life sciences & biotech
NYC biotech corridor (Alexandria Center for Life Science, Mount Sinai, Weill Cornell). Boston-Cambridge overflow biotech in NYC and Long Island.
Long Island industrial & logistics
Long Island logistics, plus JFK air cargo facilities.
Upstate manufacturing
Rochester (Kodak/Xerox legacy plus optical technology cluster), Buffalo (advanced manufacturing, GEO SEMI, plus AI/data center investments), Syracuse (Micron Technology $100B semiconductor fab investment). Substantial industrial buildout underway.
Higher education corridor
Ithaca (Cornell), Rochester (RIT, University of Rochester), Buffalo (SUNY Buffalo), plus NYC universities.
Retail & mixed-use
Fifth Avenue, SoHo, Meatpacking District, Williamsburg, plus statewide retail centers.
Investment residential
5+ unit properties eligible for cost segregation.
Not sure whether your New York property qualifies? Request a free benefit analysis we’ll tell you honestly.
Credentialed. Independent. Nationwide.
Why The Ambrose Group?
MAI-certified appraisers, in-house engineer
The IRS prefers engineering-based studies over rule-of-thumb estimates. Our in-house engineer conducts the analysis, reviews construction documents, and physically identifies reclassifiable components. Many providers estimate; we don’t.
IRS-compliant methodology
Every Ambrose study follows the IRS Cost Segregation Audit Techniques Guide (ATG, Publication 5653).
30+ years of nationwide experience
Headquartered in Texas, serving New York and all 50 states.
Full audit support
Every study includes documentation and audit support at no additional charge.
CPA-ready reports
We deliver a complete reclassification package your CPA can apply directly, including the depreciation detail your CPA needs to file the New York §168(k) + §168(n) addback and manage NYC-specific addbacks.
Single-property to multi-state portfolios
Whether you own one New York commercial building or a portfolio spanning multiple states, we scale the engagement to fit.
Real Numbers
What First-Year Savings Might Look Like in New York
Results depend on property type, cost basis, construction year, and applicable depreciation rates and we run a free benefit analysis before you commit to a study so you can see projected numbers first.
As a reference point, an Ambrose Group engagement on a $2.9M commercial property delivered $657,692 in first-year depreciation increase and $230,192 in first-year tax savings. In New York specifically, the federal Year 1 savings apply fully; the New York state benefit is spread across the useful life of the reclassified components under regular MACRS (no state-level bonus stacking). Given New York’s 10.9% top individual rate and combined ~16% top corporate rate (NY State + NYC), the federal deduction still delivers substantial effective value when applied against high state marginal rates but the federal side is where Year 1 economics live.
Get Started
Free New York Cost Segregation Benefit Analysis
Tell us about your New York property asset type, acquisition or construction cost, when it was placed in service and we’ll run a free benefit analysis showing projected first-year depreciation and tax savings before you commit to a study.
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Right approach for your property type
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Federal benefit modeled + New York state and NYC-specific timing considerations
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Clear read on the study’s projected ROI
Prefer to talk?
(713) 688-7733
The Ambrose Group headquarters, Jersey Village, TX (serving New York and all 50 states).
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How It Works New York & Nationwide
Our Cost Segregation Process
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Cost Segregation in New York
Frequently Asked Questions
Does New York conform to federal bonus depreciation rules?
No. New York has long decoupled from federal §168(k) bonus depreciation (N.Y. Tax Law §208(9)(b)(17)). Under the FY 2026-2027 budget enacted in 2026, New York also decouples from §168(n) qualified production property, retroactive to tax years beginning January 1, 2025. Exceptions apply for qualified Resurgence Zone property and qualified New York Liberty Zone property. Federal bonus depreciation must be added back on the New York return; property depreciates via regular MACRS on the state return. Your federal Year 1 tax savings from a cost segregation study are fully preserved.
How does New York’s income tax structure interact with a cost segregation study?
New York has a graduated individual income tax topping at 10.9%, plus NYC personal income tax (~3.876% top) for NYC residents. Corporate franchise tax is 6.5% base / 7.25% top for taxpayers with business income over $5M (through 2029). NYC layers an 8.85% Business Corporation Tax on C-Corps creating a combined ~16% effective top corporate rate for large NYC corporations. Because New York decouples from bonus depreciation, the state-level Year 1 benefit is limited; the federal Year 1 benefit is where most of the study’s economics live. But given New York’s high combined rates, the federal deduction is still highly valuable.
What about the New York City Pied-à-Terre Surcharge?
Effective July 1, 2026, NYC imposes a surcharge on non-primary-residence condominiums and co-ops. Class Two properties (condos/co-ops) with market values over $1M are subject to rates ranging from 0.8% to 6.5% on values above the threshold; Class One properties (1-3 family homes) with market values over $5M are similarly subject. Applies to properties held via trusts, LLCs, or corporations via “look-through.” Not directly related to cost segregation (which reduces income tax), but a factor in overall NYC investment property economics.
What New York commercial property types benefit most from cost segregation?
Manhattan Class A office and financial services property, NYC multifamily (5 boroughs), Manhattan hospitality, upstate manufacturing (Micron Syracuse, Buffalo advanced manufacturing), Long Island logistics, and Hudson Valley/Finger Lakes destination hospitality. Manhattan hospitality and specialty office typically deliver strong results due to heavy FF&E and specialty content.
Can I do a cost segregation study on a New York property I’ve owned for years?
Yes. A §481(a) adjustment via an automatic accounting-method change (Form 3115 under Rev. Proc. 2015-13 and its updates) lets you capture all missed depreciation from prior years into the current tax year without amending past returns. Especially valuable for long-held Manhattan office, NYC multifamily, and upstate industrial properties.
How do you do a cost segregation study on a New York property when you’re based in Texas?
Cost segregation is governed by federal tax law, so the methodology is identical regardless of state. Our engineer works either through an in-person New York site visit or, for well-documented properties, a virtual site inspection using high-definition video, construction documents, and interactive tools. Both are IRS-compliant.
What construction era of New York property produces the strongest cost segregation outcomes?
Properties placed in service since 1987 are eligible under current IRS guidance, and studies limited to the last 7–10 years tend to deliver the strongest ROI. Hudson Yards development, NYC multifamily conversions and new construction, Micron Syracuse fab, Buffalo advanced manufacturing buildout, and upstate biotech expansion have produced substantial newer commercial property in the ideal window. §481(a) catch-up makes older New York properties (particularly long-held Manhattan office and NYC multifamily) viable too.
Does New York’s high property tax rate affect the cost seg decision?
Not directly. Cost segregation reduces income tax through accelerated depreciation, not property tax. New York’s effective property tax varies dramatically by location NYC’s residential effective rate is often below 1% due to specific class assessments, while some Long Island and Westchester locations exceed 2%. Property tax is a separate lever from the income-tax benefit cost segregation delivers.
What documentation do you need for a New York cost segregation study?
Purchase or construction cost documentation, a current depreciation schedule from your CPA, construction plans or specs (when available), any prior appraisals, and for renovation studies improvement records. Because New York decouples from §168(k) and §168(n), your CPA will need the detailed asset schedule to file the NY addback (and NYC-specific modifications if applicable). We provide it as part of the standard deliverable.
Can you handle New York multi-property portfolios? How long does a study take?
Yes, we regularly run cost segregation studies across multi-state and New York-only portfolios. Common for Manhattan office portfolios, NYC multifamily operators with dozens of properties, upstate industrial and higher-education-adjacent operators, and Hudson Valley/Finger Lakes hospitality operators. Typical study timeline is 4–8 weeks per property; complex Manhattan Class A office and specialty hospitality take longer proportional to the FF&E and specialty-equipment cataloging effort.
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We live by our motto: “Everything we do is driven by the relationship, not the transaction” and we mean it. Whether you have a New York property to evaluate or a multi-state portfolio to review, we’re here to help. Contact our real estate firm.