420 West 25th Street, Manhattan
Condominium · 79 units · built c. 1912 · Block 722, Lot 7501.
Building permits
- Alteration, filed Oct 28, 2025, estimated cost $100K, described as “Hereby filing for the renovation of unit 8A. No change in use, egress or occupancy.”
- Alteration, filed Apr 29, 2024, estimated cost $83K, described as “Dish:Install new telecom antenna sectors,GPS,equipment cabinet on new platform&RF transparent screen on roof.Installation of conduits&service room connection in cellar as per plans.All work is in compliance w/ TPPN5/98.No change in…”
- Alteration, filed Feb 21, 2024, described as “Installation of suspended scaffold during facade inspection/ Repair.”
- Alteration, filed Jan 22, 2024, estimated cost $644K, described as “Miscellaneous facade restoration as per plans. No change in use, egress or occupancy.”
- Alteration, filed Jan 17, 2024, estimated cost $1K, described as “Installation of temporary heavy duty sidewalk shed as per plans. No change in use, egress or occupancy. Sidewalk shed shall comply with chapter #33 of 2022 the NYC building code. Live load 300PSF.”
- Alteration, filed Jan 17, 2024, estimated cost $1K, described as “Proposed installation of temporary light duty pipe scaffold as per plans. Work shall comply with chapter #33 of 2022 the NYC building code. No change in use, occupancy, or egress under this application.”
- Alteration, filed Dec 3, 2023, estimated cost $34K, described as “Renovation of an existing apartment on 7TH flr (apt 7A). The scope of work does not require a change in use, occupancy, or egress.”
- Alteration, filed Sep 17, 2021, estimated cost $5K, described as “Proposed installation of pipe scaffold for remedial repairs as per plans. No change in use occupancy or egress under this application.”
Property taxes
- Assessment
- $14,990,404
- 2026–27 tax
- $1,569,619
- Market value (city estimate)
- $33,311,999
- Taxable value
- $14,319,062
- Assessed land
- $900,000
- Assessed improvements
- $14,090,404
- Condo units with their own tax lots
- 79
Tax breaks
- Co-op and condo abatement, with no end date, a $211,546 credit this tax year.
Zoning
R8A: floor area ratio 6.48 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. FEMA’s preliminary map: zone X, moderate risk: a 0.2% chance of flooding each year.
Recent sales
- Sep 17, 2026: $1,940,000, Apt 4G
- Sep 14, 2026: $1,100,000, Apt 7F
- Aug 10, 2026: $1,500,000, Apt 8E
- Jun 24, 2026: $1,350,000, Apt 6B
- Jun 17, 2026: $1,675,000, Apt 2E
- Feb 4, 2026: $950,000, Apt 2K
- Jun 9, 2025: $1,272,500, Apt 5B
- May 30, 2025: $2,565,000, Apt 1E
- Feb 20, 2025: $1,200,000, Apt 7B
- Jan 23, 2025: $1,975,000, Apt 2G
The 10 most recent of 53 open-market sales since 2016, from the Department of Finance’s sales files.