# 666 10th Street, Brooklyn

Two-family · built c. 1888 · Block 1095, Lot 23.

On Umarelli: https://umarelli.org/nyc/3010950023/666-10-street

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

Every lot on block 1095: https://umarelli.org/nyc/brooklyn/1095.md

## Building permits

- Alteration, filed Nov 8, 2022, estimated cost $689K, described as “Proposed 1-story rear horizontal enlargement, with terrace and roof deck, to the existing 3 story plus basement and cellar. Reconfigure existing 2-family to (1) triplexunit over (1) basement unit. Obtain new c of o.”
- Alteration, filed Nov 4, 2022, estimated cost $25K, described as “Propose spread footing and grade beam foundation for 1-story rear addition, detention tank at rear yard in conjunction with alt-co application filed under B08012091-I1”
- Alteration, filed Nov 4, 2022, estimated cost $126K, described as “Propose structural scope of works including new rear addition, opening at rear wall, alteration to existing floor framing in conjunction with alt - co application filed under B08012091-I1”

## Property taxes

- Assessment: $246,000
- 2026–27 tax: $10,631
- Market value (city estimate): $4,100,000
- Taxable value: $53,573
- Assessed land: $35,460
- Assessed improvements: $210,540

## Zoning

R6B: floor area ratio 1.76 built, 2.00 allowed by base zoning.

## Recent sales

- Sep 8, 2022: $3,500,000

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). 4 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