74-07 21st Avenue, Queens
Single family · built 1940 · Block 942, Lot 72.
Building permits
- Major Renovation — Conversion, filed Feb 3, 2026, estimated cost $836K, 1 unit added, 3 stories, described as “Proposed Horizontal and Vertical Enlargement of Existing 1-story Building into 3 Stories and Conversion from 1 to 2 family. Filed as ALT-CO - New Building with Existing Elements to Remain.”
- Alteration, filed Aug 6, 2025, estimated cost $26K, described as “Proposed removal of interior non-bearing partition walls, finishes, clg gyp.bd, finish flooring. ALT-CO to be filed under a separate application.”
- Alteration, filed Aug 6, 2025, estimated cost $10K, described as “Proposed 8' high construction fence.”
Property taxes
- Assessment
- $66,060
- 2026–27 tax
- $7,678
- Market value (city estimate)
- $1,101,000
- Taxable value
- $38,695
- Assessed land
- $14,040
- Assessed improvements
- $52,020
Zoning
R4: floor area ratio 0.50 built, 1.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Feb 18, 2025: $890,000
- Dec 9, 2024: $640,000
Open-market sales since 2016, from the Department of Finance’s sales files.