820 8th Avenue, Brooklyn
Apartment building · 9 units · built c. 1903 · Block 1090, Lot 42.
Building permits
- Alteration, filed Nov 13, 2025, estimated cost $20K, described as “Propose to install additional bathroom with new partition to enclose bathroom on first floor as per plans.”
- Alteration, filed Apr 5, 2025, estimated cost $5K, described as “Installation of 300 psf sidewalk shed and pipe scaffolding as per plans. All equipment shall comply with chapter #33 of the 2022 code. No change in use, egress or occupancy under this application.”
Property taxes
- Assessment
- $1,866,600
- 2026–27 tax
- $43,529
- Market value (city estimate)
- $4,148,000
- Taxable value
- $349,943
- Assessed land
- $26,100
- Assessed improvements
- $1,840,500
Zoning
R7B: floor area ratio 3.19 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.
Landmarks
Part of Park Slope Historic District Extension (Historic District). 3 Landmarks Preservation Commission permits are on file.