# 531 Montgomery Street, Brooklyn

Two-family · built c. 1925 · Block 1298, Lot 63.

On Umarelli: https://umarelli.org/nyc/3012980063/531-montgomery-street

More construction in Crown Heights: https://umarelli.org/nyc/brooklyn/crown-heights.md

Every lot on block 1298: https://umarelli.org/nyc/brooklyn/1298.md

## Building permits

- Alteration, filed Jan 14, 2026, estimated cost $10K, described as “Herewith filing for support of excavation work as per plans. No change to use, egress or occupancy under this application.”
- Alteration, filed May 28, 2024, estimated cost $10K, described as “Alteration application filed to Temporary lateral Bracing on Exposure-4 Wall”
- Alteration, filed May 15, 2024, estimated cost $712K, described as “Alteration of existing 2-story 2-family house to 3-story 1-family house”

## Property taxes

- Assessment: $95,940
- 2026–27 tax: $9,581
- Market value (city estimate): $1,599,000
- Taxable value: $48,284
- Assessed land: $22,680
- Assessed improvements: $73,260

## Zoning

R5: floor area ratio 0.82 built, 1.50 allowed by base zoning.

## Recent sales

- Dec 28, 2023: $2,400,000

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