521 8th Avenue, Manhattan
Commercial · built 1950 · Block 760, Lot 38.
Building permits
- Alteration, filed Jul 8, 2022, estimated cost $23K, described as “Replacement of 6.5 ton unit on the rooftop. No change to egress, use, or occupancy.”
- Alteration, filed Oct 17, 2021, estimated cost $4K, described as “Illuminated accessory business sign (non-advertising) on wall. (replacement of existing sign). Sign wording: *t* mobile”
- Alteration, filed Oct 17, 2021, estimated cost $4K, described as “Illuminated accessory business sign (non-advertising) on wall. (replacement of existing sign). Sign wording: *t* mobile”
Property taxes
- Assessment
- $2,968,650
- 2026–27 tax
- $290,356
- Market value (city estimate)
- $6,597,000
- Taxable value
- $2,676,590
- Assessed land
- $810,000
- Assessed improvements
- $2,158,650
Zoning
M1-9A/R12 (part of the lot is C6-4M): floor area ratio 1.02 built, 15.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Board and land use applications
- Midtown South Mixed-Use Plan (MSMX) (City Planning 2024M0142): Zoning map change, Zoning text change, Completed, filed Jan 16, 2025, decided Aug 14, 2025. The Department of City Planning is seeking a Zoning Map amendment from M1-6 and M1-6D to M1-9A/R12, M1-8A/R12, and M1-8A/R11 and a Zoning Text amendment to facilitate the development of housing and support critical economic activity across…
- Garment Center Text Amendment (City Planning 2018M0412): Completed, decided Dec 26, 2018. The NYC Department of City Planning proposes a zoning text amendment to the Special Garment Center District to better reflect the current land use and promote a healthy mix of uses. In addition to changes regarding use regulations within…