18 West 70th Street, Manhattan
Co-op · 46 units · built c. 1926 · Block 1122, Lot 40.
Building permits
- Alteration, filed Nov 8, 2023, estimated cost $30K, described as “Interior renovation of apartment 9H -related partitions, new kitchen and bathroom general construction work”
- Alteration, filed Jun 15, 2022, estimated cost $8K, described as “Proposed installation of heavy duty sidewalk shed for remedial repairs as per plans. No change in use occupancy or egress under this application. Live load 300 per square feet. Sidewalk shed shall comply with chapter # 33 of the 2014 code.”
- Alteration, filed Apr 5, 2021, estimated cost $209K, described as “Filing to repair facade as per plans filed herewith. No change to use, occupancy or egress.”
- Alteration, filed Mar 25, 2021, estimated cost $18K, described as “Create opening in wall to combine apartments per TPPN 03/97.”
Property taxes
- Assessment
- $7,096,950
- 2026–27 tax
- $750,073
- Market value (city estimate)
- $15,771,000
- Taxable value
- $6,767,260
- Assessed land
- $1,764,000
- Assessed improvements
- $5,332,950
Tax breaks
- Co-op and condo abatement, with no end date, a $91,731 credit this tax year.
Zoning
R8B: floor area ratio 7.23 built, above the 4.00 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Apr 16, 2026: $1,800,000
- Apr 2, 2026: $2,835,000
- Jul 15, 2025: $1,250,000
- Sep 6, 2024: $1,900,000
- Sep 14, 2023: $535,000
- Aug 10, 2022: $520,000
- Jul 1, 2022: $1,350,000
- Nov 12, 2021: $1,050,000
- Jan 3, 2020: $2,851,100, Apt 7B
- Oct 3, 2019: $490,626
The 10 most recent of 14 open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of Upper West Side/Central Park West Historic District (Historic District). 38 Landmarks Preservation Commission permits are on file.