520 West 43rd Street, Manhattan
Apartment building · 375 units · built 1996 · Block 1071, Lot 42.
Building permits
- Alteration, filed Aug 27, 2026, described as “Material hoist. For materials only. No work from hoist.”
- Alteration, filed Dec 30, 2025, estimated cost $1K, described as “Illuminated non-advertising accessory wall sign - massage envy. No change of use, egress or occupancy.”
- Alteration, filed Dec 5, 2023, estimated cost $9K, described as “Installation of 300PSF sidewalk shed as per plans. All equipment shall comply with ch #33 of the NYC code 2022. No change in use, occupancy or egress under this application.”
- Alteration, filed Dec 17, 2019, estimated cost $145K, described as “Modification of plumbing work for units as shown on plans”
- Alteration, filed Dec 2, 2019, estimated cost $125K, described as “Plumbing work as shown for floors 2-19, 21-33 construction floors (2-12,14-34 marketing floors).”
- Alteration, filed Oct 7, 2019, estimated cost $24K, described as “Plumbing work for floors 4,10,21,24,27,28 (group 12)”
- Alteration, filed Oct 7, 2019, estimated cost $27K, described as “Plumbing work as shown for floors 3,16,23,29 (group 13)”
- Alteration, filed Sep 6, 2019, estimated cost $23K, described as “Replacement of existing rooftop unit with new on existing dunnage. No change to use occupancy or egress.”
- Alteration, filed Jul 26, 2019, estimated cost $33K, described as “Interior renovation to include demo of existing and construction of new partitions and finishes as shown on plans.plumbing work to be filed through DOB now. No change in use,egress or occupancy under this application (floors…”
- Alteration, filed Jul 26, 2019, estimated cost $20K, described as “Plumbing work on floors 2,7,8,18,22,23,27 and 30.”
- Alteration, filed Mar 14, 2019, estimated cost $1K, described as “Application filed for temporary construction fence”
Property taxes
- Assessment
- $36,977,850
- 2026–27 tax
- $2,381,002
- Market value (city estimate)
- $82,173,000
- Taxable value
- $19,141,425
- Assessed land
- $5,573,700
- Assessed improvements
- $31,404,150
Tax breaks
- 421-a exemption, through Jun 30, 2036, about $2,218,673 a year below the full tax.
Zoning
C6-4: floor area ratio 13.18 built, above the 10.00 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Aug 1, 2018: $193,000,000
Open-market sales since 2016, from the Department of Finance’s sales files.
Board and land use applications
- Variance or special permit (Board of Standards and Appeals 1-14-BZ): Variance or special permit, Granted, filed Jan 6, 2014, decided May 20, 2014. Special Permit (§73-36) to allow the operation of a physical culture establishment (Massage Envy). C6-4 zoning district.