509 West 48th Street, Manhattan
Apartment building · 158 units · built 2025 · Block 1077, Lot 29.
Building permits
- New Building — Large Residential, filed Aug 31, 2021, 158 units, 8 stories, described as “Filing for mixed use residential building”
- No Work, filed Apr 22, 2026
- Alteration, filed Feb 20, 2026, estimated cost $225K, described as “Install a new stormwater drainage system for the plaza, including but not limited to new catch basins, manholes, piping, detention ring, and an underground stormwater detention system.”
- Alteration, filed Jan 28, 2026, estimated cost $7K, described as “Installation of pipe scaffolding as per plans. Pipe scaffolding shall comply with chapter #33 of the 2022 code. No change in use, egress or occupancy under this application.”
- Alteration, filed Oct 23, 2025, described as “Suspended Scaffold for Facade Restoration as Shown on Plans”
- Alteration, filed Oct 15, 2025, described as “Installation of temporary suspended scaffold equipment.”
- Alteration, filed Sep 16, 2025, estimated cost $1K, described as “Filing for interior fitout for tenant space filing in conjunction with new building# M00580473-I1”
- Alteration, filed Jul 10, 2025, described as “Installation of 2 point suspended scaffold for worker access during construction. 2 point suspended scaffold shall comply with nycc 2022 chapter 33 . No change in egress, use, or occupancy.”
- Alteration, filed Jun 11, 2025, estimated cost $1K, described as “Installation and use of temporary interior climbing shaft platforms as per plans filed herewith. No change in use, egress, or occupancy.”
- Alteration, filed May 5, 2025, estimated cost $1K, described as “Installation of personnel/material hoist in accordance with nycc 2022 chapter 33 building code. No change in egress, use, or occupancy.”
- Alteration, filed Apr 8, 2025, estimated cost $1K, described as “Installation of roof overhead protection in accordance with nycc 2022 chapter 33 building code. No change in egress, use, or occupancy.”
- Alteration, filed Apr 8, 2025, estimated cost $1K, described as “Installtion of sidewalk shed in accordance with nycc 2022 chapter 33 building code. No change in egress, use, or occupancy.”
- Alteration, filed Mar 19, 2025, estimated cost $5K, described as “Installation and use of temporary concrete placing boom construction equipment as per plans filed herewith. This application is filed in conjunction with M00580473-I1.”
- Alteration, filed Mar 12, 2025, estimated cost $5K, described as “Use of temporary material platforms as per plans filed herewith. This application is filed in conjunction with NB M00580473-I1.”
- Alteration, filed Jun 17, 2024, estimated cost $1K, described as “Filing for fuel storage for emergency generator in conjuction with new building M00580473-I1”
- Alteration, filed Dec 21, 2023, estimated cost $2K, described as “Construction fence as per drawings during NB const, filed sep. Construction fence shall comply with ch #33 of the NYC bc. No change in use, occupancy or egress under this application. Dot permits by others for fence installed on…”
- Alteration, filed Sep 24, 2021, estimated cost $2K, described as “Filing For Sprinkler/Standpipe Application in conjunction with New Building Application # M00580473”
- Alteration, filed Apr 1, 2021, estimated cost $20K, described as “Respectfully request approval of this PAA to indicate the increase in size of the curb cut from 15' to 20' on the north side of 48th St This curb cut will provide access to authorized NYC Parks vehicles only for maintenance/security.”
Property taxes
- Assessment
- $9,040,050
- Market value (city estimate)
- $20,089,000
- Taxable value
- $0
- Assessed land
- $9,040,050
Tax breaks
- Article XI exemption, through Jun 30, 2064, about $1,124,492 a year below the full tax.
Zoning
R8: floor area ratio 6.33 built, above the 6.02 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
- 705 Tenth Avenue (DEP Site) (City Planning 2019M0374): Special permit, Urban development action area, Completed, decided Mar 3, 2023. HPD proposes an UDAAP designation with a disposition, a zoning text amendment, and zoning special permits to facilitate the development of a new eight-story mixed-use building with approximately 157 units of affordable housing,…
- REI/RED CROSS REZONING (City Planning P2007M0210): Completed, decided Apr 21, 2008. 07DCP043M: REZONE FROM M1-5 TO R8 WITH A C2-5 OVERLAY IN THE SPECIAL CL INTON DISTRICT
- WATER SHAFT 25B (City Planning P1993M0136): Completed, decided Nov 23, 1993. SITE SELECTION & ACQUISITION IN CONJUNCTION WITH CONSTRUC-*TION OF WATER TUNNEL NO. 3, STAGE 2, SHAFT 25B
In the news
Housing Lottery Launches for Rialto West at 509 West 48th Street in Hell’s Kitchen, Manhattan, New York YIMBY, Jul 10, 2026.