# 397 3rd Street, Brooklyn

Two-family · built c. 1899 · Block 975, Lot 59.

On Umarelli: https://umarelli.org/nyc/3009750059/397-3-street

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

Every lot on block 975: https://umarelli.org/nyc/brooklyn/975.md

## Building permits

- Alteration, filed Oct 19, 2026, estimated cost $9K, described as “Installation of 300PSF sidewalk shed as per plans. All equipment shall comply with ch #33 of the NYC code 2022. No change in use, occupancy or egress under this application.”
- Alteration, filed Mar 22, 2022, estimated cost $30K, described as “Installation of the new deck at the rear of the building, steel framing and masonry work. no change of use, egress or occupancy under this application”
- Alteration, filed Mar 11, 2022, estimated cost $100K, described as “Convert existing SRO into two family dwelling. Interior renovation, removal of interior partitions and well, floor finishes. Installation of wall and floor finishes.”
- Alteration, filed Mar 11, 2022, estimated cost $30K, described as “Interior plumbing upgrades and new installation to bathrooms, kitchens, and laundry room.”

## Property taxes

- Assessment: $269,640
- 2026–27 tax: $10,631
- Market value (city estimate): $4,494,000
- Taxable value: $53,573
- Assessed land: $45,300
- Assessed improvements: $224,340

## Zoning

R6B: floor area ratio 1.78 built, 2.00 allowed by base zoning.

## Recent sales

- Oct 6, 2021: $4,380,000

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