501 7th Avenue, Manhattan
Commercial · built c. 1923 · Block 813, Lot 1.
Building permits
- Alteration, filed Nov 12, 2026, estimated cost $150K, described as “Interior renovation at 1ST fl and mezzanine beauty salon of existing 17-story building with general construction work as per plans filed herewith. Related plumbing work and mechanical work will be filed subsequently. No change in use,…”
- Alteration, filed Oct 2, 2026, estimated cost $94K, described as “General construction to Cellar, Mezzanine and Floor 1 as per plans field herewith. No change in use, egress, or occupancy.”
- Alteration, filed Jul 31, 2026, estimated cost $52K, described as “Mechanical modifications to floor 1 as per plans filed herewith. No change in use, egress, or occupancy.”
- Alteration, filed Jul 6, 2026, estimated cost $120K, described as “General construction modifications to floor 3 as per plans filed herewith, No change in use, egress, or occupancy.”
- Alteration, filed Jul 2, 2026, estimated cost $5.2M, described as “General Construction to the 3rd & 4th Floor as per plans filed herewith. No change in use, egress, or occupancy.”
- Alteration, filed Apr 22, 2026, estimated cost $75K, described as “General construction to floor 10 as per plans field herewith. No change in use, egress, or occupancy.”
- Alteration, filed Mar 31, 2026, estimated cost $5K, described as “Structural modifications to floor 1 as per plans filed herewith. No change in use, egress or occupancy.”
- Alteration, filed Mar 21, 2026, estimated cost $200K, described as “General Construction modifications to floors 9 and 10 as per plans filed herewith. No change in use, egress, or occupancy.”
- Alteration, filed Mar 12, 2026, estimated cost $21K, described as “Structural modifications to floor 1 as per plans filed herewith. No change in use, egress, or occupancy.”
- Alteration, filed Mar 11, 2026, estimated cost $39K, described as “General construction to floor 1 as per plans filed herewith. No change in use, egress, or occupancy.”
- Alteration, filed Sep 16, 2025, estimated cost $22K, described as “Propose mechanical work at partial 1st floor and mezzanine (suite #107) commercial space as per plan. No change in use, egress, or occupancy.”
- Alteration, filed Aug 14, 2025, estimated cost $950, described as “Install exterior illuminated wall sign (chop & go)”
- Alteration, filed Jul 24, 2025, estimated cost $6K, described as “Propose plumbing work at partial 1st floor and mezzanine (suite #107) commercial space as per plan. No change in use, egress, or occupancy.”
- Alteration, filed Jul 23, 2025, estimated cost $52K, described as “Propose interior renovation at partial 1st floor and mezzanine (suite #107) commercial space with minor partition work and floor finish as per plan. No change in use, egress, or occupancy.”
- Alteration, filed Mar 12, 2025, estimated cost $23K, described as “Mechanical modifications to the 1st floor as per plans filed herewith. No change in use, egress, or occupancy.”
- Alteration, filed Mar 11, 2025, estimated cost $5K, described as “Sprinkler modifications to the 1st floor as per plans filed herewith. No change in use, egress, or occupancy.”
- Alteration, filed Mar 11, 2025, estimated cost $15K, described as “Plumbing modifications to the 1st floor as per plans filed herewith. No change in use, egress, or occupancy.”
- Alteration, filed Mar 10, 2025, estimated cost $64K, described as “General construction to the first floor as per plans filed herewith. No change in use, egress, or occupancy.”
- Alteration, filed Feb 24, 2025, estimated cost $5K, described as “Temporary plywood storefront enclosure”
- Alteration, filed Feb 10, 2025, estimated cost $80K, described as “General construction to the 1st floor as per plans filed herewith. No change in use, egress, or occupancy.”
- Alteration, filed Feb 6, 2025, estimated cost $50K, described as “Structural Modifications to the 1st floor as per plans filed herewith. No change in use, egress, or occupancy.”
- Alteration, filed Feb 5, 2025, estimated cost $40K, described as “General construction to the first floor as per plans filed herewith. No change in use, egress, or occupancy.”
- Alteration, filed Feb 3, 2025, estimated cost $15K, described as “Structural modifications to the first floor as per plans filed herewith. No change in use, egress, or occupancy.”
- Alteration, filed Feb 3, 2025, estimated cost $3K, described as “Sprinkler modifications to the first floor as per plans filed herewith. No change in use, egress, or occupancy.”
- Alteration, filed Feb 3, 2025, estimated cost $3K, described as “Mechanical modifications to the first floor as per plans filed herewith. No change in use, egress, or occupancy.”
71 more, older permits are in this building’s full list on the map.
Property taxes
- Assessment
- $43,758,000
- 2026–27 tax
- $4,577,398
- Market value (city estimate)
- $97,240,000
- Taxable value
- $42,195,780
- Assessed land
- $18,360,000
- Assessed improvements
- $25,398,000
Zoning
M1-9A/R12: floor area ratio 17.98 built, above the 15.00 base zoning allows, which bonuses, transfers or older rules can permit.
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…
- 515 7th Avenue (City Planning 2021M0138): Special permit, Completed, decided Nov 28, 2025. To facilitate the construction of a new, 355,500-square-foot (18.0 FAR) commercial tower, 515 Seventh Avenue Realty, LP is requesting several zoning text amendments to modify Special Garment Center District rules, a special permit for bulk…
- 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…