Commercial & Business Property
New York Commercial Property Tax Appeals
Office, retail, industrial, multifamily, and special-purpose buildings in New York are frequently over-assessed. Here's how commercial assessments work, the deadline to challenge yours, and what it takes to win.
How commercial is assessed
New York taxes commercial on assessed value adjusted by local equalization/residential-assessment ratios. New York City runs its own system, placing most commercial in Class 4.
NYC commercial is Class 4 with its own calendar (Tax Commission, ~Mar 1) and RPIE filing.
Burden of proof
The property owner (or their authorized agent) bears the burden of proving the assessment exceeds market value. The assessor's value is presumed correct until rebutted with credible evidence.
Key to a New York commercial appeal: NYC: RPIE filing + Tax Commission
Income-producing NYC property must file an annual Real Property Income & Expense (RPIE) statement; the appeal goes to the NYC Tax Commission (deadline ~March 1), not Grievance Day. Outside NYC, grieve to the Board of Assessment Review on Grievance Day. The income approach dominates for Class 4 commercial.
New York Filing Deadline & Where to File
File With
Board of Assessment Review (BAR), then Small Claims Assessment Review (SCAR)
Deadline
Grievance Day (4th Tuesday in May for most municipalities; varies in NYC)
Window Opens
After tentative roll published (typically May 1 in most towns)
Typical Duration
2–6 months (BAR); NYC Tax Commission: 6–12 months
NYC has its own system (Tax Commission, deadline March 1). Outside NYC, file on Grievance Day. SCAR available for residential <$450K assessed. STAR exemption for primary residences.
⚠️ Deadlines vary by county/municipality in New York. Confirm the exact date for your property's jurisdiction before filing.
How commercial value is proven
Income-producing commercial property is usually valued by capitalizing net operating income (NOI ÷ market cap rate). The strongest appeals come with a clean rent roll, a trailing-12-month operating statement, current vacancy, and market cap-rate support. Where the property is owner-occupied or special-purpose, the cost and sales-comparison approaches carry more weight.
Evidence that wins a commercial appeal
- Current rent roll and a trailing-12-month operating statement
- Actual vacancy and collection loss (vs the assessor's stabilized assumption)
- Market capitalization rate support for the property type and submarket
- Recent arm's-length sales of comparable commercial buildings
- Evidence of physical, functional, or economic obsolescence
- Any change in use, tenancy, or condition since the assessment date
How to appeal a commercial assessment in New York
- 1Pull the assessment — confirm the assessed value, the assessment ratio/class, and how the assessor derived it (income, cost, or sales).
- 2Build the valuation — capitalize actual net operating income and gather comparable sales to establish market value as of the assessment date.
- 3File before the deadline — submit to Board of Assessment Review (BAR), then Small Claims Assessment Review (SCAR) by Grievance Day (4th Tuesday in May for most municipalities; varies in NYC), with the authorization signed by someone able to bind the owning entity.
- 4Present at the hearing — commercial hearings are evidence-driven; a clean income approach and credible comps carry the day.
Think your New York commercial property is over-assessed?
We pull the assessment, build the income-approach case, and file the appeal. Fee: 20% of first-year savings — only if we win. Nothing upfront, and the reduction can hold for years.
Assessment ratios, class rates, and deadlines in New York are set by statute and can change year to year, and often vary by county or municipality. Verify current figures and dates with your county assessor or clerk of the board before filing. This page is general information, not legal or tax advice. TaxedFairly is a product of WebLab LLC.