333 West 21st Street, Manhattan
Co-op · 22 units · built c. 1900 · Block 745, Lot 17.
Building permits
- Alteration, filed Jun 7, 2022, estimated cost $1K, described as “General construction and procurement of an amended certificate of occupancy of the cellar only for the proposed laundry room as per plans filed herewith.”
- Alteration, filed May 31, 2022, estimated cost $10K, described as “Plumbing work for new washing machines, fixtures and associated piping as per plans filed herewith. No change in use, egress or occupancy under this application.”
- Alteration, filed May 31, 2022, estimated cost $30K, described as “Installation of new exhaust for dryers as per plans filed herewith. No change in use, egress or occupancy.”
- Alteration, filed May 31, 2022, estimated cost $4K, described as “New sprinkler heads for laundry room as per plans filed herewith. No change in use, egress or occupancy.”
- Alteration, filed Nov 23, 2020, estimated cost $60K, described as “Install new chimney as per plans. No change in use, occupancy, or egress.”
- Alteration, filed Jun 18, 2020, estimated cost $1K, described as “Installation of temporary heavy duty sidewalk shed as per plans. No change in use, egress or occupancy. Sidewalk shed shall comply with chapter #33 of the NYC building code. Live load 300 psf”
- Alteration, filed Jun 18, 2020, estimated cost $1K, described as “Installation of temporary 65' high pipe scaffold at various levels for facade repair work as per plan. No change in use egress or occupancy,pipe scaffold shall comply with CHAPTER#33 of 2014 the ny building code.”
- Alteration, filed Sep 12, 2019, estimated cost $1K, described as “Installation of temporary 65' high pipe scaffold originating (off shed) for facade repair work as per plan. No change in use egress or occupancy,pipe scaffold shall comply with CHAPTER#33 of 2014 the ny building code.”
Property taxes
- Assessment
- $1,558,350
- 2026–27 tax
- $145,630
- Market value (city estimate)
- $3,463,000
- Taxable value
- $1,364,231
- Assessed land
- $126,000
- Assessed improvements
- $1,432,350
Tax breaks
- Co-op and condo abatement, with no end date, a $24,237 credit this tax year.
Zoning
R7B: floor area ratio 4.15 built, above the 3.00 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- May 27, 2026: $520,000
- Sep 16, 2025: $625,000
- Jan 23, 2025: $400,000
- Aug 23, 2024: $390,000
- Jul 13, 2023: $635,000
- Apr 11, 2023: $450,000
- Jul 27, 2022: $700,000
- Jul 11, 2022: $1,020,000
- Sep 23, 2021: $460,000
- Feb 4, 2020: $612,500, Unit FW
The 10 most recent of 14 open-market sales since 2016, from the Department of Finance’s sales files.