# 423A 1st Street, Brooklyn

Single family · built c. 1901 · Block 966, Lot 63.

On Umarelli: https://umarelli.org/nyc/3009660063/423a-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

No building permits on file for this lot.

## Property taxes

- Assessment: $196,680
- 2026–27 tax: $10,238
- Market value (city estimate): $3,278,000
- Taxable value: $51,595
- Assessed land: $30,420
- Assessed improvements: $166,260

## Zoning

R6B: floor area ratio 1.53 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