# 423 7th Avenue, Brooklyn

Four-family with store · built c. 1920 · Block 1102, Lot 8.

On Umarelli: https://umarelli.org/nyc/3011020008/423-7-avenue

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

Every lot on block 1102: https://umarelli.org/nyc/brooklyn/1102.md

## Building permits

- Alteration, filed May 29, 2025, estimated cost $5K, described as “Repair and stucco interior foundation walls per plan.s. No change in use, egress or occupancy under this application.”

## Property taxes

- Assessment: $1,346,400
- 2026–27 tax: $22,732
- Market value (city estimate): $2,992,000
- Taxable value: $182,744
- Assessed land: $214,650
- Assessed improvements: $1,131,750

## Zoning

R6A: floor area ratio 2.80 built, 3.00 allowed by base zoning.

## Flood zone

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

## Landmarks

Part of Park Slope Historic District Extension (Historic District). 7 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