527 West 23rd Street, Manhattan
Apartment building · 313 units · built 2001 · Block 695, Lot 15.
Building permits
- Alteration, filed Jul 30, 2026, estimated cost $2K, described as “Proposed installation of 1 illuminated non-flashing accessory business sign and 1 non-illuminated double faced accessory business sign. First sign wording "vets go" "veterinary internal medicine diagnostics", second sign wording "vets go".”
- Alteration, filed May 22, 2026, estimated cost $230K, described as “Interior renovation of existing 1st floor art gallery tenant space. Work includes non-structural demo, new partitions/doors, lighting and finishes. No exterior work proposed under this application. No Change to use, egress, or occupancy.”
- Alteration, filed Apr 5, 2026, estimated cost $34K, described as “Minor interior renovations including new partitions. All existing lighting and switching to remain. Replace two sinks on existing roughing under a separate laa application. Mechanical equipment replacement in kind under a subsequent…”
- Alteration, filed Mar 18, 2026, estimated cost $298K, described as “Ren. of existing retail space - install nonbearing partitions, ceilings, doors, furnishings, equipment for new veterinary clinic & lighting. no change in use egress or occupancy. subsequent applications to be filed for plumbing,…”
- Alteration, filed Oct 31, 2025, described as “Material hoist”
- Alteration, filed Aug 25, 2025, estimated cost $100K, described as “Minor interior renovation for new retail tenant as per plans filed herewith. No change in use, egress, or occupancy.”
- Alteration, filed May 27, 2025, described as “IRA application for FISP inspections and repairs”
- Alteration, filed Dec 10, 2024, estimated cost $50K, described as “Interior renovation to an existing retail space as per plans filed herewith. No change in use, egress, or occupancy.”
- Alteration, filed Dec 10, 2024, estimated cost $20K, described as “Interior renovation to an existing retail space as per plans filed herewith. No change in use, egress, or occupancy.”
- Alteration, filed Jul 13, 2024, described as “Facade inspection”
- Alteration, filed Aug 7, 2021, estimated cost $20K, described as “Plumbing work for the related job number: M005575511-I1 interior renovation for a new coffee shop layout in existing retail store.”
- Alteration, filed Aug 7, 2021, estimated cost $55K, described as “Interior renovation for a new coffee shop layout in existing retail store.”
- Alteration, filed Mar 27, 2019, estimated cost $1K, described as “Installation of pipe scaffolding. No change in use, egress or occupancy.”
- Alteration, filed Mar 13, 2019, 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 300PSF.”
Property taxes
- Assessment
- $45,723,600
- 2026–27 tax
- $2,751,014
- Market value (city estimate)
- $101,608,000
- Taxable value
- $22,113,395
- Assessed land
- $3,332,700
- Assessed improvements
- $42,390,900
Tax breaks
- 421-a exemption, through Jun 30, 2039, about $2,554,124 a year below the full tax.
Zoning
C6-3A (part of the lot is C6-2A): floor area ratio 8.10 built, above the 7.52 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.
In the news
Housing Lottery Launches for The Tate at 535 West 23rd Street in Chelsea, Manhattan, New York YIMBY, May 11, 2023.