150 West 21st Street, Manhattan
Apartment building · 61 units · built 1950 · Block 796, Lot 67.
Building permits
- Alteration, filed Apr 29, 2026, estimated cost $37K, described as “Interior renovation to apartment #5D on 5TH floor of existing building, all as per plan. No change in egress, use or occupancy under this application.”
- Alteration, filed Sep 30, 2024, estimated cost $10K, described as “Proposed installation of heavy duty sidewalk shed as per plans. Live load 300 per square feet. Sidewalk shed shall comply with chapter # 33 of the 2014 code. No change in use occupancy or egress under this application.”
- Alteration, filed Jun 25, 2024, estimated cost $59K, described as “Facade exterior repairs. Work shall include mortar joint repointing; window sill repair, brick & lintel replacement. No change in use, egress, or occupancy.”
- Alteration, filed Dec 30, 2022, estimated cost $12K, described as “Plumbing work for general construction DOB now #M08047891-I1 interior renovation at apt. #1K located on the 1ST floor.”
- Alteration, filed Dec 30, 2022, estimated cost $36K, described as “Interior renovation to apartment #1K on 1ST floor of existing building, all as per plan. No change in egress, use or occupancy under this application.”
Property taxes
- Assessment
- $4,788,900
- 2026–27 tax
- $256,344
- Market value (city estimate)
- $10,642,000
- Taxable value
- $2,060,810
- Assessed land
- $540,000
- Assessed improvements
- $4,248,900
Tax breaks
- J-51 exemption, through Jun 30, 2038, about $304,900 a year below the full tax.
Zoning
C6-3A: floor area ratio 5.19 built, 7.52 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.