251-40 Thornhill Avenue, Queens
Single family · Block 8246, Lot 5.
Building permits
- New Building — Residential, filed Jan 16, 2025, 1 unit, 2 stories, described as “New 2-story detached building for 1-family residence. Obtain a new certificate of occupancy.”
- Alteration, filed Jul 24, 2026, estimated cost $43K, described as “Solar panel installation”
- Alteration, filed Sep 9, 2024, estimated cost $1K, described as “Installation of construction fence as per plan filed herewith. No change in use, occupancy or egress.”
- Demolition, filed Sep 4, 2024, estimated cost $25K, described as “Full demolition of existing 1-story detached building.”
Property taxes
- Assessment
- $18,660
- 2026–27 tax
- $3,703
- Market value (city estimate)
- $311,000
- Taxable value
- $18,660
- Assessed land
- $18,660
Zoning
R1-2: floor area ratio 0.50 built, 0.75 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Aug 8, 2024: $990,000
- May 11, 2022: $988,000
Open-market sales since 2016, from the Department of Finance’s sales files.