# 641 Carlton Avenue, Brooklyn

Two-family · built c. 1868 · Block 1158, Lot 3.

On Umarelli: https://umarelli.org/nyc/3011580003/641-carlton-avenue

More construction in Prospect Heights: https://umarelli.org/nyc/brooklyn/prospect-heights.md

Every lot on block 1158: https://umarelli.org/nyc/brooklyn/1158.md

## Building permits

No building permits on file for this lot.

## Property taxes

- Assessment: $278,760
- 2026–27 tax: $10,604
- Market value (city estimate): $4,646,000
- Taxable value: $53,438
- Assessed land: $22,920
- Assessed improvements: $255,840

## Zoning

R6B: floor area ratio 1.95 built, 2.00 allowed by base zoning.

## Recent sales

- Jul 17, 2026: $1,466,468, 2,496 sq ft ($588 per sq ft)
- Mar 19, 2021: $2,225,000

Open-market sales since 2016, from the Department of Finance’s sales files.

## Flood zone

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

## Landmarks

Part of Prospect Heights Historic District (Historic District). 2 Landmarks Preservation Commission permits are on file.

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