# 171 Prospect Place, Brooklyn

Condominium · 4 units · built c. 1871 · Block 1151, Lot 7501.

On Umarelli: https://umarelli.org/nyc/3011517501/171-prospect-place

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

Every lot on block 1151: https://umarelli.org/nyc/brooklyn/1151.md

## Building permits

- Alteration, filed Jul 9, 2026, estimated cost $20K, described as “Install new split air-conditioning system serving fourth floor in an existing five-story, four-family residential building with mechanical work as per plans filed herewith. No change in use, egress or certificate of occupancy.”
- Alteration, filed Apr 26, 2023, estimated cost $8K, described as “Register four gas boilers.”

## Property taxes

- Assessment: $715,052
- 2026–27 tax: $24,789
- Market value (city estimate): $1,589,000
- Taxable value: $228,010
- Assessed land: $67,500
- Assessed improvements: $647,552
- Condo units with their own tax lots: 4

## Tax breaks

- Co-op and condo abatement, with no end date, a $3,574 credit this tax year.

## Zoning

R6B: floor area ratio 1.98 built, 2.00 allowed by base zoning.

## Flood zone

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

## Landmarks

Part of Prospect Heights Historic District (Historic District). 11 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