5801 20th Avenue, Brooklyn
Four-family · built c. 1931 · Block 5507, Lot 9.
Building permits
- Alteration, filed Oct 2, 2023, estimated cost $5K, described as “Installation of pipe scaffolding as per plans. All equipment shall comply with chapter # 33 of the 2022 code. No change in use occupancy or egress under this application.”
- Alteration, filed Aug 24, 2023, estimated cost $1K, described as “Proposed temporary construction fence”
Property taxes
- Assessment
- $447,300
- 2026–27 tax
- $15,889
- Market value (city estimate)
- $994,000
- Taxable value
- $127,735
- Assessed land
- $92,700
- Assessed improvements
- $354,600
Zoning
R5: floor area ratio 1.31 built, 1.50 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.