How to Grieve Your Property Tax in New York
New York homeowners can grieve their property tax assessment if they believe it's too high. This guide covers the 2026 grievance deadline, required evidence, and step-by-step process.
How New York Assesses Property
New York assesses residential property at 100% of market value.
New York is nominally a full-value state, but actual assessment ratios vary widely by municipality due to infrequent revaluations. Equalization rates are applied to normalize.

The Grievance Process
Appeals are heard by the Board of Assessment Review. An informal review is available before filing a formal grievance.
Assessor (Informal)
Board of Assessment Review (Grievance)
Small Claims Assessment Review (SCAR)
Supreme Court (Article 7)
New York Grievance Deadline
Varies by municipality. NYC deadline is typically March 1; most other jurisdictions set Grievance Day in late May or June.
Typical window: March - June
What Overassessment Costs New York Homeowners
The median home in New York is worth $370,000. If your assessment is just 10% too high, you may be overpaying:
~$599/year
Effective tax rate: 1.62% · Median value: $370,000
Check Your New York Assessment
Enter your address to see your estimated overassessment and New York filing deadline.
New York Counties
Bronx County
Median: $704,000 · Rate: 0.85%
Deadline: March 15, 2026
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Erie County
Median: $262,500 · Rate: 1.96%
Deadline: varies by town, typically late May
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Kings County
Median: $1,094,000 · Rate: 0.67%
Deadline: March 15, 2026 for Class 1 properties; March 1, 2026 for all other property classes
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Nassau County
Median: $487,900 · Rate: 1.79%
Deadline: March 2, 2026
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New York County
Median: $5,233,000 · Rate: 5.41%
Deadline: March 15 for Class One properties and March 1 for all other properties
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Queens County
Median: $677,700 · Rate: 0.79%
Deadline: March 1 for Class Two, Three, and Four properties; March 15 for Class One properties
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Suffolk County
Median: $424,200 · Rate: 1.7%
Deadline: May 19, 2026
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Westchester County
Median: $556,900 · Rate: 1.62%
Deadline: Third Tuesday in June (June 16, 2026) for most towns and cities; Third Tuesday in February for certain villages
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Guides & Resources
- What Evidence Do I Need for a Property Tax Appeal? (2026)
- Is It Worth It to Appeal Property Taxes? (2026 Analysis)
- How to Appeal Your Property Taxes: The Complete Guide (2026)
- Senior Property Tax Exemptions by State: The Complete 2026 Guide
- Property Tax Appeal Deadlines by State: The Complete 2026 Calendar
- Can Appealing Your Property Taxes Actually Raise Them? Here's the Truth
- Best Property Tax Appeal Services in 2026: Pricing, Coverage, and What to Know
- Best DIY Property Tax Appeal Tools & Resources (2026)
- Best Ways to Lower Your Property Taxes (2026): 9 Methods That Work
- Property Tax Exemptions Guide: 8 Types That Could Save You Thousands (2026)
- Property Tax Appeal Statistics: Success Rates, Savings & Data (2026)
- Property Tax Appeal Letter Template: How to Write a Winning Appeal (2026)
- Understanding Your Property Assessment Notice: What Every Homeowner Should Know
- What Happens at a Property Tax Appeal Hearing (And How to Prepare)
- How Much Does Ownwell Cost? Pricing Breakdown & Comparison (2026)
- How Much Does a Property Tax Appeal Cost?
- How to Find Comparable Sales for Your Property Tax Appeal
- Property Tax Appeal After Home Renovation
- How to Lower Property Taxes Without Filing an Appeal
- First-Time Homebuyer's Guide to Property Taxes
- How to Read Your Property Tax Bill
- Is My Property Overassessed? How to Tell
- How Long Does a Property Tax Appeal Take?
- Property Tax Appeals for Investment Properties
- What Happens If You Don't Pay Property Taxes?
- How to Appeal Property Taxes as a Senior
- How Do I Appeal My Property Taxes Myself? Complete DIY Guide
- Are Property Tax Protest Companies Worth It? Cost vs. Savings Analysis
- What to Write When Protesting Property Taxes: Examples & Templates
- What Is the Best Evidence to Protest Property Taxes? Expert Guide (2026)
- When Should I File My Property Tax Appeal? Critical Deadlines by State (2026)
- How to Appeal Property Taxes in New York: Complete 2026 Guide
Property Tax Grievance Resources
Best Grievance Services Compared
7 companies compared — pricing, coverage, and pros/cons for 2026.
2026 Grievance Deadlines
Every state's deadline, filing method, and what happens if you miss it.
Assessment Ratios by State
Every state's assessment percentage — from 4% to 100% — with worked examples.
9 Ways to Lower Your Property Taxes
From homestead exemptions to formal appeals — every method that works.
Savings Calculator
Check if you're overassessed — enter your assessed value to see potential savings.