# 310 Graham Avenue, Brooklyn

Apartment building · 24 units · built 2016 · Block 2771, Lot 1.

On Umarelli: https://umarelli.org/nyc/3027710001/310-graham-avenue

More construction in East Williamsburg: https://umarelli.org/nyc/brooklyn/east-williamsburg.md

## Building permits

- Alteration, filed Mar 3, 2026, estimated cost $30K, described as “Decommission of existing T-MOBILE site on the roof. Initial application filed under Job No. B00081867. No change in use, egress or occupancy.”
- Alteration, filed Aug 25, 2022, estimated cost $15K, 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.”
- Alteration, filed Oct 29, 2018, estimated cost $80K, described as “T-mobile: Installation of antenna sectors with related RRU's, mw antennas and gps antenna on the roof. Installation of equipment cabinet with proposed fence on grade. All work in compliance with TPPN 5/98. No change to occupancy, use or…”

## Property taxes

- Assessment: $2,625,750
- 2026–27 tax: $2,753
- Market value (city estimate): $5,835,000
- Taxable value: $22,132
- Assessed land: $337,500
- Assessed improvements: $2,288,250

## Tax breaks

- 421-a exemption, through Jun 30, 2053, about $323,864 a year below the full tax.

## Zoning

R6A: floor area ratio 5.03 built, above the 3.00 base zoning allows, which bonuses, transfers or older rules can permit.

## Flood zone

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

## In the news

[Affordable Housing Lottery Launches for 310 Graham Avenue in Williamsburg, Brooklyn](https://newyorkyimby.com/2021/08/affordable-housing-lottery-launches-for-310-graham-avenue-in-williamsburg-brooklyn.html), New York YIMBY, Aug 17, 2021.

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