438 West 23rd Street, Manhattan
Co-op · 4 units · built c. 1855 · Block 720, Lot 66.
Building permits
- Alteration, filed Oct 2, 2019, estimated cost $37K, described as “Install new chimney as per plans. No change in use occupancy or egress.”
Property taxes
- Assessment
- $1,442,250
- 2026–27 tax
- $102,530
- Market value (city estimate)
- $3,205,000
- Taxable value
- $999,106
- Assessed land
- $337,950
- Assessed improvements
- $1,104,300
Tax breaks
- Co-op and condo abatement, with no end date, a $21,749 credit this tax year.
Zoning
R7B: floor area ratio 2.90 built, 3.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard. FEMA’s preliminary map: zone AE, high risk: a 1% chance of flooding each year, base flood elevation 10 ft (NAVD88).
Recent sales
- Feb 26, 2021: $2,450,000
- Aug 25, 2017: $2,575,000
Open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of Chelsea Historic District Extension (Historic District). 9 Landmarks Preservation Commission permits are on file.