# 850 Flatbush Avenue, Brooklyn

Apartment building · 21 units · built c. 1931 · Block 5082, Lot 32.

On Umarelli: https://umarelli.org/nyc/3050820032/850-flatbush-avenue

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

Every lot on block 5082: https://umarelli.org/nyc/brooklyn/5082.md

## Building permits

- Alteration, filed Jul 25, 2022, estimated cost $1K, described as “Erect non illuminated non advertising sign on wall. No change of use, egress or occupancy”
- Alteration, filed Jul 25, 2022, estimated cost $5K, described as “Erect illuminated non advertising sign on wall. No change of use, egress or occupancy”
- Alteration, filed Apr 13, 2022, estimated cost $132K, described as “Interior renovation on 1st Floor exiting Use Group 6 for a Outpatient Medical clinic (UG 6) tenant build-out - no change in use, occupancy or Egress -Plumbing filed under B00717154-S1 & Sprinkler filed under B00717154-S2”

## Property taxes

- Assessment: $1,734,300
- 2026–27 tax: $29,920
- Market value (city estimate): $3,854,000
- Taxable value: $240,536
- Assessed land: $220,500
- Assessed improvements: $1,513,800

## Tax breaks

- 421-a exemption, through Jun 30, 2054, about $185,809 a year below the full tax.

## Zoning

R7A: floor area ratio 4.61 built, above the 4.00 base zoning allows, which bonuses, transfers or older rules can permit.

## 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