520 West 20th Street, Manhattan
Commercial · built c. 1914 · Block 691, Lot 43.
Building permits
- Alteration, filed Apr 10, 2026, estimated cost $399K, described as “Filing for the interior renovation at the 4th and 5th floor. Work includes removal and installation of interior non load bearing partitions, doors, finish work. No change to use, egress, or occupancy.”
- No Work, filed Dec 2, 2025, described as “Office party”
- Alteration, filed Nov 7, 2025, estimated cost $300K, described as “Filing for the renovation of a commercial space at the 6th floor. Work includes removal and installation of interior non load bearing partitions, doors, finish work.”
- No Work, filed Jul 9, 2023, described as “Office party”
- Alteration, filed Nov 1, 2022, estimated cost $25K, described as “Filing for new plumbing work on the 7th floor. No change to use, egress, or occupancy.”
- Alteration, filed Nov 1, 2022, estimated cost $8K, described as “Sprinkler work on 4TH and 7TH floors as shown in plans.”
- Alteration, filed Nov 1, 2022, estimated cost $150K, described as “Filing for new mechanical work on floors 5 thru 7. No change to use, egress, or occupancy.”
- Alteration, filed Oct 27, 2022, estimated cost $30K, described as “Carrier: Dish Wireless. New Antenna Installation. Install (2) exterior cabinets on a new platform on the building wall. Install (4) new antennas, (3) new OVP devices, and (6) new RRH units on a new antenna frame. In conformance w/ TPPN…”
- Alteration, filed Oct 19, 2022, estimated cost $50K, described as “Filing for new structural work on the 4th and 5th floor. Work includes slab opening for creating a new convenience stair, framing. No change to use, egress, or occupancy.”
- Alteration, filed Oct 17, 2022, estimated cost $300K, described as “Filing for the renovation of the 4th, 5th, and 7th Floors. Work includes installation of interior non load bearing partitions, doors, finish work, new convenience stair. No change to use, egress, or occupancy.”
- Alteration, filed Sep 14, 2022, estimated cost $158K, described as “Filing for plumbing work on floors 1 thru 3. No change to use, egress, or occupancy.”
- Alteration, filed Sep 14, 2022, estimated cost $1.2M, described as “Filing for new mechanical work on floors 1, 2, and 3. Work includes new units and duct work. No change to use, egress, or occupancy.”
- Alteration, filed Sep 14, 2022, estimated cost $116K, described as “Filing for new sprinkler work on floors 1, 2, and 3. No change to use, egress, or occupancy.”
- Alteration, filed Sep 13, 2022, estimated cost $5.5M, described as “Filing for renovation of floors 1 thru 3. Work includes removal and installation of interior non load-bearing partitions, doors, finish work, new floor opening for convenience stair. No change to use, egress, or occupancy.”
- Alteration, filed Sep 9, 2022, estimated cost $313K, described as “Filing for structural work on floors 1, 2, and 3. Work includes new framing, removal and installation of new beams, new opening and convenience stair. No change to use, egress, or occupancy.”
- Alteration, filed Aug 17, 2022, estimated cost $77K, described as “Filing sprinkler removal and temporary sprinkler loop on the 2nd and 3rd Floor. No change to use, egress, or occupancy.”
- Alteration, filed May 19, 2022, estimated cost $471K, described as “Filing for renovation of the retail space on the 1st floor. Work includes installation of interior non load bearing partitions, doors, finish work. No change to use, egress, or occupancy.”
- Alteration, filed Mar 18, 2022, estimated cost $375, described as “Non illuminated non advertising accessory wall sign - david kordansky gallery. No change of use, egress or occupancy.”
- Alteration, filed Oct 14, 2021, estimated cost $138K, described as “Filing for mechanical work as shown on plans. No change is use, egress or occupancy.”
- Alteration, filed Sep 14, 2021, estimated cost $23K, described as “Filing for plumbing work as shown on plans. No Change in use, egress or occupancy.”
- Alteration, filed Sep 10, 2021, estimated cost $635K, described as “Filing for general construction work to include new partitions, new floor, ceiling work and storefront work. No change in use, egress or occupancy.”
- Alteration, filed Sep 9, 2021, estimated cost $25K, described as “Sprinkler work as shown on plans. No change in use, egress or occupancy.”
Property taxes
- Assessment
- $17,157,600
- 2026–27 tax
- $1,428,298
- Market value (city estimate)
- $38,128,000
- Taxable value
- $17,157,600
- Assessed land
- $2,250,000
- Assessed improvements
- $14,907,600
Tax breaks
- ICAP abatement, through Jun 30, 2031, a $432,959 credit this tax year.
Zoning
C6-2: floor area ratio 5.27 built, 6.02 allowed by base zoning.
Flood zone
Current FEMA flood map: zone AE, high risk: a 1% chance of flooding each year, base flood elevation 10 ft (NGVD29). FEMA’s preliminary map: zone AE, high risk: a 1% chance of flooding each year, base flood elevation 11 ft (NAVD88).
Board and land use applications
- W20TH ST PARKING GARAGE (City Planning P1996M0261): Completed, decided Feb 26, 1997. 96DCP059M: SPECIAL PERMIT TO LEGALIZE THE OPERATION OF A PARKING GARAGE AT THE SUBJECT PREMISES
In the news
JLL Reveals Penthouse Office Suites at 520 West 20th Street in Chelsea, Manhattan, New York YIMBY, Nov 28, 2022.