# 643 Nostrand Avenue, Brooklyn

Commercial · built c. 1910 · Block 1227, Lot 11.

On Umarelli: https://umarelli.org/nyc/3012270011/643-nostrand-avenue

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

## Building permits

- Alteration, filed Sep 8, 2023, estimated cost $9K, described as “Installation of pipe scaffolding 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 Sep 8, 2023, estimated cost $9K, described as “Installation of pipe scaffolding 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 Aug 15, 2023, 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 Aug 15, 2023, 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 Apr 21, 2023, estimated cost $2K, described as “Plywood construction fence within 3'-0" of property line”
- Major Renovation — Enlargement, filed Feb 8, 2023, estimated cost $1.1M, 4 units added, 4 stories, described as “Proposed one story addition at the 4th floor and renovation of an existing 3 story mixed use building. Obtain new CofO to reflect Mixed use building with 8 class A dwelling units.”

## Property taxes

- Assessment: $557,550
- 2026–27 tax: $54,225
- Market value (city estimate): $1,239,000
- Taxable value: $499,860
- Assessed land: $51,750
- Assessed improvements: $505,800

## Zoning

R6A: floor area ratio 2.55 built, 3.00 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