8638 20th Avenue, Brooklyn
Two-family · built c. 1920 · Block 6374, Lot 64.
Building permits
- New Building, filed Nov 5, 2021, estimated cost $20K, 1 story, described as “New detached accessory one story one car masonry garage”
- Alteration, filed Jun 23, 2022, estimated cost $50K, described as “File for plumbing work type in conjunction with ALT1 #B00562844.”
- Alteration, filed Jul 29, 2021, estimated cost $5K, described as “File this application to install 8' height plywood construction fence for JOB#B00562844-I1.”
- Major Renovation — Residential, filed Jul 29, 2021, estimated cost $600K, 2 units in all, 4 stories, described as “Propose horizontal and vertical extension and convert from community facility and two dwelling units to two dwelling units. Obtain new certificate of occupancy.”
Property taxes
- Assessment
- $131,520
- 2026–27 tax
- $19,304
- Market value (city estimate)
- $2,192,000
- Taxable value
- $97,285
- Assessed land
- $17,280
- Assessed improvements
- $114,240
Zoning
R5: floor area ratio 1.24 built, 1.50 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Mar 8, 2021: $1,700,000
Open-market sales since 2016, from the Department of Finance’s sales files.