129 West 77th Street, Manhattan
Co-op · 5 units · built c. 1888 · Block 1149, Lot 20.
Building permits
- Alteration, filed Jun 8, 2026, estimated cost $370K, described as “Architectural modifications and rear horizontal enlargement of existing duplex unit #2 on 2ND & 3RD floors. Structural, ms and pl filed under separate applications. No change to use, egress or occupancy.”
Property taxes
- Assessment
- $1,932,300
- 2026–27 tax
- $117,578
- Market value (city estimate)
- $4,294,000
- Taxable value
- $945,233
- Assessed land
- $571,500
- Assessed improvements
- $1,360,800
Zoning
R8B: floor area ratio 3.04 built, 4.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Jul 26, 2021: $3,225,000
Open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of Upper West Side/Central Park West Historic District (Historic District). 6 Landmarks Preservation Commission permits are on file.