New York Porch working sheet
Property assessment review sheet
Identify the review system before choosing a form. New York City, Nassau County, and the ordinary statewide route use different calendars and filing offices; the tax bill is often later than the main review window.
- Save the tentative assessment, parcel ID, property inventory, exemption status, and prior assessment.
- Confirm whether the property uses New York City, Nassau County, or the ordinary city, town, county, or village review route.
- Confirm the taxable-status, tentative-roll, filing, hearing, and final-roll dates for that exact system.
- Ask the assessor to correct factual inventory errors and explain the valuation before filing.
- Collect recent comparable sales and adjust for location, size, condition, lot, age, and property type.
- Outside New York City and Nassau County, use the current RP-524 and Board of Assessment Review instructions; keep proof of timely receipt.
- In Nassau County, use the Assessment Review Commission and AROW with its current filing calendar and evidence rules.
- After the final roll, immediately check SCAR or Article 7 eligibility and deadline; do not assume one extends the other.
- In New York City, use the Department of Finance and Tax Commission calendar instead of RP-524 or Nassau's ARC route.
Working record
- Review system
- Tentative assessment
- Requested assessment
- Filing deadline
- Filing proof
- Decision date
- Next deadline
Use this carefully: Deadlines and review routes are strict and local. This sheet does not extend a deadline or choose between SCAR and an Article 7 case.
Official starting points
- NY Tax Department - grievance procedure
- NY Tax Department - RP-524 help
- Nassau County - Assessment Review Commission
- NYC Tax Commission - challenge an assessment
- NY Courts - SCAR
Full explanation: Assessment review and grievance · Reviewed July 13, 2026