21-20 45th Avenue, Queens
Two-family · built c. 1872 · Block 77, Lot 50.
Building permits
- Alteration, filed Aug 29, 2025, estimated cost $302K, described as “Subject application is submitted to supplement DOB application #Q08001985 by proposing an enlargement on the basement, first and second floor levels at the same time renovating the existing rear exterior wall..”
- Alteration, filed Oct 19, 2023
- Alteration, filed Oct 12, 2022, estimated cost $263K, described as “Interior renovation of exist. Two-family home. Relocation of bathrooms and kitchen. Re-construction of exist. Interior stairs. Replacement and exist. Roof. No change in dwelling units, egress, fire protection or construction classification…”
- Alteration, filed Oct 12, 2022, estimated cost $99K, described as “Filing for plumbing work for bathrooms, kitchens and utility rooms' fixtures and equipment on cellar, basement, first, second and third floors. This job is in conjunction with alteration application #Q08001985. No change in use, egress…”
Property taxes
- Assessment
- $166,380
- 2026–27 tax
- $10,161
- Market value (city estimate)
- $2,773,000
- Taxable value
- $51,205
- Assessed land
- $13,680
- Assessed improvements
- $152,700
Zoning
R6B: floor area ratio 1.43 built, 2.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Sep 17, 2021: $1,900,000
Open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of Hunters Point Historic District (Historic District). 8 Landmarks Preservation Commission permits are on file.