# 643 Cauldwell Avenue, The Bronx

Apartment building · 41 units · built c. 1913 · Block 2624, Lot 84.

On Umarelli: https://umarelli.org/nyc/2026240084/643-cauldwell-avenue

More construction in Morrisania and Longwood: https://umarelli.org/nyc/bronx/morrisania-and-longwood.md

Every lot on block 2624: https://umarelli.org/nyc/bronx/2624.md

## Building permits

- Alteration, filed Oct 24, 2025, estimated cost $8K, described as “Proposed installation of heavy duty sidewalk shed as per plans. Live load 300 lbs per square feet. Sidewalk shed shall comply with chapter #33 of the NYC building code. No change in use, occupancy, or egress under this application.”

## Property taxes

- Assessment: $1,457,100
- 2026–27 tax: $7,362
- Market value (city estimate): $3,238,000
- Taxable value: $96,205
- Assessed land: $36,450
- Assessed improvements: $1,420,650

## Tax breaks

- J-51 exemption, through Jun 30, 2032, about $157,627 a year below the full tax.
- J-51 abatement, through Dec 31, 2036, a $4,605 credit this tax year.

## Zoning

R6: floor area ratio 4.46 built, above the 2.43 base zoning allows, which bonuses, transfers or older rules can permit.

## Recent sales

- May 27, 2026: $5,680,125, 28,704 sq ft, sold with other lots

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