# 806 Carroll Street, Brooklyn

Co-op · 4 units · built c. 1892 · Block 1071, Lot 10.

On Umarelli: https://umarelli.org/nyc/3010710010/806-carroll-street

More construction in Park Slope: https://umarelli.org/nyc/brooklyn/park-slope.md

Every lot on block 1071: https://umarelli.org/nyc/brooklyn/1071.md

## Building permits

- Alteration, filed Jul 1, 2026, estimated cost $131K, described as “Filed herewith facade repair work on south and east facades as per plans, including masonry repair and lintel replacement.”
- Alteration, filed Dec 30, 2024, estimated cost $20K, described as “Register two (2) furnaces and two (2) water heaters and one (1) clothes dryer in cellar.”

## Property taxes

- Assessment: $1,059,300
- 2026–27 tax: $26,788
- Market value (city estimate): $2,354,000
- Taxable value: $261,031
- Assessed land: $8,100
- Assessed improvements: $1,051,200

## Tax breaks

- Co-op and condo abatement, with no end date, a $5,682 credit this tax year.

## Zoning

R7B: floor area ratio 1.99 built, 3.00 allowed by base zoning.

## Recent sales

- Sep 29, 2020: $1,490,000, Apt 4
- Jul 31, 2017: $1,300,000

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 Park Slope Historic District (Historic District). 8 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