850 Flatbush Avenue, Brooklyn
Apartment building · 21 units · built c. 1931 · Block 5082, Lot 32.
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.