1833 East 21st Street, Brooklyn
Two-family · built c. 1920 · Block 6804, Lot 78.
Building permits
- New Building — Residential, filed Oct 24, 2024, 1 unit, 2 stories, described as “Application filed herewith for a new 2 1/2 story, 1-family building.”
- Demolition, filed Aug 8, 2024
- Alteration, filed Jun 17, 2024, estimated cost $14K, described as “Stabilization of Partially Complete Foundation Excavation and Foundation Wall and Footing Construction”
- Demolition, filed Jun 17, 2024
- Alteration, filed Mar 27, 2024, estimated cost $82K, described as “Interior renovation to cellar, first,second, and attic floors of existing 2 1/2 story and one (1) dwelling unitbuilding, with replacement of roof shingles, plywood and rafters asrequired and replacement of facade.no change in use, egress…”
- Alteration, filed Feb 6, 2024, estimated cost $1K, described as “Filing for propose fence application.”
Property taxes
- Assessment
- $33,000
- 2026–27 tax
- $6,548
- Market value (city estimate)
- $550,000
- Taxable value
- $33,000
- Assessed land
- $23,160
- Assessed improvements
- $9,840
Zoning
R3-2: floor area ratio 0.75 built, 0.75 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Nov 16, 2023: $1,650,000
Open-market sales since 2016, from the Department of Finance’s sales files.