# 833 Flatbush Avenue, Brooklyn

Commercial · built c. 1939 · Block 5086, Lot 8.

On Umarelli: https://umarelli.org/nyc/3050860008/833-flatbush-avenue

More construction in Flatbush: https://umarelli.org/nyc/brooklyn/flatbush.md

Every lot on block 5086: https://umarelli.org/nyc/brooklyn/5086.md

## Building permits

- No Work, filed Jan 26, 2026
- Alteration, filed Sep 8, 2025, estimated cost $140K, described as “New partial height interior non-load bearing stud wall, and entry check-in doors within an existing gym. No change in occupancy, use or egress”
- Alteration, filed Aug 8, 2025, estimated cost $800, described as “Illuminated non-advertising accessory wall sign - puregym. No change of use, egress or occupancy.”
- Alteration, filed Aug 8, 2025, estimated cost $850, described as “Illuminated non-advertising accessory sign on existing sign band - puregym. No change of use, egress or occupancy.”
- Alteration, filed Sep 11, 2024, estimated cost $20K, described as “Filing for obtaining certificate of compliance of existing a/c. No change of use, egress and occupancy.”
- Alteration, filed Nov 16, 2023, estimated cost $5K, described as “Obtain certificate of compliance of existing a/c. No change of use, egress and occupancy.”
- Alteration, filed Sep 20, 2023, estimated cost $49K, described as “Installation of split system air conditioning units (4). No change in use, egress, or occupancy.”

## Property taxes

- Assessment: $3,421,800
- 2026–27 tax: $254,981
- Market value (city estimate): $7,604,000
- Taxable value: $2,350,485
- Assessed land: $335,250
- Assessed improvements: $3,086,550

## Tax breaks

- ICAP/ICIP exemption, through Jun 30, 2031, about $95,118 a year below the full tax.

## Zoning

R7A: floor area ratio 1.95 built, 4.00 allowed by base zoning.

## Recent sales

- Sep 6, 2024: $12,475,000, 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.

## Board and land use applications

- Flatbush Avenue BID Expansion (City Planning 2023K0228): Business improvement district, Completed, filed Dec 14, 2022, decided Feb 20, 2024. An application from the Department of Small Business Services (SBS) to expand and amend the Flatbush Avenue Business Improvement District in Community Districts 9 and 14 of Brooklyn. (The map below shows the approximate boundary; Please…

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