New York County, New York
Filing deadline: March 15 (earliest possible)
An application must be received by the NYC Tax Commission by March 15 to challenge a Tax Class 1 (one-to-three-family home) assessment, using form TC108. The Tax Commission cannot extend this deadline for any reason.
What to file
appeal
Approximate effective tax rate
1.19% (published estimate, 2026)
Look up your current assessed value on the county assessor's site →