Property tax appeal deadline in New York City
Complaints must be filed by March 15 for Class One properties and by March 1 for all other properties.Appeal deadline
The details
- Who hears the appeal
- The Assessment Review Commission. Forms and instructions come from the NYC Tax Commission.1
The sources we read do not say: how to appeal, form, evidence to bring, if you lose.
Many deadlines count from the date your assessment notice was mailed. Check the date on your notice.
Sources
- Contesting your assessment in New York State, New York State Department of Taxation and Finance, checked 1 November 2026
Checked 1 November 2026. "Secondary" marks a source used only because the official page could not be read.