507 9th Avenue, Manhattan
Apartment building · 8 units · built c. 1920 · Block 736, Lot 31.
Building permits
- Alteration, filed Sep 26, 2022, estimated cost $20K, described as “Replacement of antennas and RRUs on the rooftop (AT&T - 10104861) as per plans. All work is in compliance with TPPN 5/98 & BB 11/21. No change to use, egress or occupancy.”
- Alteration, filed Jul 3, 2018, estimated cost $4K, described as “AT&T / Replacement of existing telecommunications antennas with replacement/installation of RRH units on roof. All work in compliance with TPPN 5/98. No change to occupancy, use, or egress.”
Property taxes
- Assessment
- $1,637,100
- 2026–27 tax
- $71,074
- Market value (city estimate)
- $3,638,000
- Taxable value
- $571,383
- Assessed land
- $454,500
- Assessed improvements
- $1,182,600
Zoning
C1-7A: floor area ratio 4.68 built, 6.02 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.