428 West 20th Street, Manhattan
Condominium · 5 units · built c. 1857 · Block 717, Lot 7502.
Building permits
- Alteration, filed May 27, 2025, estimated cost $312K, described as “Interior renovation of existing apartment including the removal & installation of non-load bearing partitions, floor & wall finishes as per the drawings filed herein. No change in use, occupancy or egress.”
- Alteration, filed May 27, 2022, estimated cost $5K, described as “Proposed installation of heavy duty sidewalk shed as per plans. Live load 300 lbs per square feet. Sidewalk shed shall comply with chapter #33 of the NYC building code. No change in use, occupancy, or egress under this application.”
- Alteration, filed May 6, 2022, estimated cost $5K, described as “Proposed installation of temporary pipe scaffold as per plans. Work shall comply with chapter #33 of the NYC building code. No change in use, occupancy, or egress under this application.”
- Alteration, filed Aug 24, 2021, estimated cost $197K, described as “Vertical enlargement & associated minor interior alterations.”
Property taxes
- Assessment
- $2,800,800
- 2026–27 tax
- $69,465
- Market value (city estimate)
- $6,223,999
- Taxable value
- $556,212
- Assessed land
- $142,200
- Assessed improvements
- $2,658,600
- Condo units with their own tax lots
- 5
Zoning
R7B: floor area ratio 2.69 built, 3.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard. FEMA’s preliminary map: zone X, moderate risk: a 0.2% chance of flooding each year.
Recent sales
- Jul 16, 2026: $2,750,000, Apt RES3
- Dec 30, 2021: $2,430,000, Apt RES3
Open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of Chelsea Historic District (Historic District). 6 Landmarks Preservation Commission permits are on file.