Westchester County Property Tax Deadline
Learn important property tax grievance filing deadlines and assessment review timing information for Westchester County homeowners.
Filing Deadline
May 15
or 30 days after notice
County
Westchester County
New York
State
New York
NY
Grievance Window
30 Days
from notice date
Important Filing Timeline
Review Your Assessment
Review your notice of assessment from Westchester County when it arrives in the mail.
Gather Supporting Evidence
Gather comparable homes and property photos to support your grievance filing.
Submit Before Deadline
Submit your grievance before the county deadline to protect your appeal rights.
What Happens If You Miss the Deadline?
Loss of Grievance Rights: You may lose your right to file a property tax grievance for the current tax year.
Late Submissions Not Accepted: Late submissions are typically not accepted by the Westchester County Board of Assessment Review.
Verify Dates with Assessor: Homeowners should verify exact dates with their local assessor's office.
Supporting Documents for Your Grievance
- ✓RP-524 or Local Grievance Form: Use your county's official grievance form
- ✓Comparable Homes Analysis: Data showing nearby homes and their valuations
- ✓Property Photos: Images showing property condition and unique characteristics
- ✓Supporting Explanation: Written summary of why you believe your assessment is incorrect
Start Your Westchester County Property Tax Review
Enter your address to see if your property may be over-assessed compared to similar homes in Westchester County.
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