511 West 25th Street, Manhattan
Commercial · built c. 1917 · Block 697, Lot 23.
Building permits
- Major Renovation — Enlargement, filed Nov 18, 2025, 14 units added, 9 stories, described as “Interior renovation of existing Nine story commercial building within M1-5 zoning district. Proposed multi-family residential and commercial building requires a BSA approval for use variance. New CO to be issued at the time of completion.”
- Alteration, filed Mar 28, 2022, estimated cost $140K, described as “General construction taking place on CEL as per plans filed herewith. No change in use, egress or occupancy.”
- Alteration, filed Mar 10, 2022, estimated cost $15K, described as “Sprinkler changes on CEL as per plans filed herewith. No change in use, egress or occupancy.”
- Alteration, filed Mar 10, 2022, estimated cost $25K, described as “Plumbing changes taking place on CEL as per plans filed herewith. No change in use, egress or occupancy.”
- Alteration, filed Mar 10, 2022, estimated cost $36K, described as “Mechanical modifications taking place on CEL as per plans filed herewith. No change in use, egress or occupancy.”
- Alteration, filed May 19, 2021, estimated cost $138K, described as “Removal and installation of associated dunnage for replacement of existing sprinkler tank at roof level due to corrosion. No change in use, egress or occupancy.”
- Alteration, filed Apr 16, 2021, estimated cost $654K, described as “Replacement of existing sprinkler tank and associated piping in kind, due to corrosion. There will be no change to capacity, use, egress or occupancy.”
- Alteration, filed Jan 13, 2020, estimated cost $5K, described as “Erect, maintain and dismantle sidewalk shed as per plans filed herewith. no change to use, egress or occupancy.”
- Alteration, filed Sep 9, 2019, estimated cost $150, described as “Erect non-illuminated accessory d/f blade sign on storefront, no change to use, egress or occupation”
- Alteration, filed Oct 11, 2018, estimated cost $5K, described as “Erect, maintain & dismantle 8' high heavy duty sidewalk shed approx 130 lft as per plans filed herewith. No change to use, egress or occupancy.”
Property taxes
- Assessment
- $14,953,500
- 2026–27 tax
- $1,578,993
- Market value (city estimate)
- $33,230,000
- Taxable value
- $14,555,611
- Assessed land
- $900,000
- Assessed improvements
- $14,053,500
Zoning
M1-5: floor area ratio 8.45 built, above the 5.00 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, moderate risk: a 0.2% chance of flooding each year.
Recent sales
- Jan 21, 2025: $49,500,000, sold with other lots
- May 23, 2019: $148,254,147, sold with other lots
Open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of West Chelsea Historic District (Historic District). 28 Landmarks Preservation Commission permits are on file.