# 251-40 Thornhill Avenue, Queens

Single family · Block 8246, Lot 5.

On Umarelli: https://umarelli.org/nyc/4082460005/251-42-thornhill-avenue

More construction in Little Neck: https://umarelli.org/nyc/queens/little-neck.md

## 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.

## 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.

## Flood zone

Current FEMA flood map: zone X, minimal flood hazard.

From New York City and Jersey City public records, refreshed within a day of each release. Sources: https://umarelli.org/sources. Methodology and corrections: https://umarelli.org/methodology