# 346 1st Street, Brooklyn

Two-family · built c. 1901 · Block 970, Lot 27.

On Umarelli: https://umarelli.org/nyc/3009700027/346-1-street

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

Every lot on block 970: https://umarelli.org/nyc/brooklyn/970.md

## Building permits

- Alteration, filed Feb 6, 2026, estimated cost $1K, described as “Installation of temporary heavy duty sidewalk shed as per plans. No change in use, egress or occupancy. Sidewalk shed shall comply with chapter #33 of 2022 the NYC building code. Live load 300PSF.”
- Alteration, filed Jan 14, 2026, estimated cost $85K, described as “Installation of a vrf heat pump system complete with roof mounted condensing unit and fully ducted indoor air handling units and controls, mechanical ventilation and exhaust systems for kitchens, bathrooms, and laundry.”
- Alteration, filed Dec 17, 2025, estimated cost $498K, described as “Propose vertical extension to an existing 2-story + basement by adding a 3RD story and extending horizontally into the rear yard.”
- Alteration, filed Aug 30, 2025, estimated cost $375K, described as “Propose to vertically enlarge existing 3-story building by adding a new 4TH floor and extending horizontally into the rear yard. Maintain residential use (u.g. 2A) request review under 2022 building code. No change to use, occupancy or…”

## Property taxes

- Assessment: $256,260
- 2026–27 tax: $8,190
- Market value (city estimate): $4,271,000
- Taxable value: $41,275
- Assessed land: $34,740
- Assessed improvements: $221,520

## Zoning

R6B: floor area ratio 1.48 built, 2.00 allowed by base zoning.

## Recent sales

- Aug 25, 2025: $2,900,000

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

## Flood zone

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

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