# 401 1st Street, Brooklyn

Three-family · built c. 1899 · Block 966, Lot 75.

On Umarelli: https://umarelli.org/nyc/3009660075/401-1-street

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

Every lot on block 966: https://umarelli.org/nyc/brooklyn/966.md

## Building permits

- Alteration, filed Aug 13, 2025, estimated cost $35K, described as “Installation of solar PV system. No change to use, egress, or occupancy.”

## Property taxes

- Assessment: $276,540
- 2026–27 tax: $10,940
- Market value (city estimate): $4,609,000
- Taxable value: $68,795
- Assessed land: $38,100
- Assessed improvements: $238,440

## Tax breaks

- Solar abatement, through Jun 30, 2030, a $2,711 credit this tax year.

## Zoning

R6B: floor area ratio 1.80 built, 2.00 allowed by base zoning.

## 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