# 23 Polhemus Place, Brooklyn

Two-family · built c. 1898 · Block 1070, Lot 4.

On Umarelli: https://umarelli.org/nyc/3010700004/23-polhemus-place

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

Every lot on block 1070: https://umarelli.org/nyc/brooklyn/1070.md

## Building permits

- Alteration, filed Aug 12, 2020, estimated cost $35K, described as “Installation of bathroom and kitchen exhaust system and outdoor air cooled heat pumps and associated indoor fan coil units, refrigerant piping, condensate drain piping and controls.”
- Alteration, filed Aug 4, 2020, estimated cost $35K, described as “Install plumbing work in conjunction with Alt II# 340724381.”

## Property taxes

- Assessment: $356,700
- 2026–27 tax: $15,280
- Market value (city estimate): $5,945,000
- Taxable value: $77,005
- Assessed land: $24,540
- Assessed improvements: $332,160

## Zoning

R6B: floor area ratio 2.61 built, above the 2.00 base zoning allows, which bonuses, transfers or older rules can permit.

## Recent sales

- Dec 17, 2019: $2,750,000

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