154 West 18th Street, Manhattan
Co-op · 26 units · built c. 1906 · Block 793, Lot 67.
Building permits
- Alteration, filed Oct 15, 2026, estimated cost $243K, described as “Filing for minor interior alteration. Removal of non-structural interior walls. Repairing & replacing interior finishes and new low partitions. No plumbing/sprinkler, mechanical or structural work proposed. No change to use, egress or…”
- Alteration, filed May 20, 2026, estimated cost $60K, described as “Application filed for structural work for the installation of new steel stair and new landing framing at penthouse floor and dunnage beam extension. Related gc application M01359395-I1.”
- Alteration, filed May 20, 2026, estimated cost $144K, described as “Apartment 8A renovations including partition wall removal and installation of new partition walls as per plans filed herewith. No change is use, egress or occupancy”
- Alteration, filed May 20, 2026, estimated cost $45K, described as “Installation of new deck, pavers and rail as per plans filed herewith. No change in use, egress or occupancy.”
- Alteration, filed Sep 19, 2025, estimated cost $22K, described as “Plumbing application filed as per plan provided.”
- Alteration, filed Sep 18, 2025, estimated cost $9K, described as “Sprinkler application filed as per plan provided.”
- Alteration, filed Aug 11, 2025, estimated cost $65K, described as “Installation of new incoming water service with DEP approved Backflow Preventer. Existing water services to be capped and abandoned. No change in use, egress or occupancy.”
- Alteration, filed Jun 26, 2025, estimated cost $246K, described as “General construction file for interior renovation as per plan provided. no change in use, egress or occupancy.”
- Alteration, filed Jan 14, 2025, estimated cost $217K, described as “Interior renovation of existing apartment 4AD as per plan. New millwork and finishes throughout. Plumbing to be filed under a subsequent application. No change to use, egress or occupancy under this application.”
- Alteration, filed Nov 25, 2024, estimated cost $137K, described as “Interior renovation of existing apartment 3A; upgradekitchen and bathrooms; no change to occupancy, use oregress; plumbing filed under DOB now build# M01099390-S1”
- Alteration, filed Oct 23, 2024, estimated cost $303K, described as “Roof replacement: removal of existing roofing system to be replaced with a partial liquid applied roofing and a partial inverted roof membrane assembly. No change in use, egress or occupancy.”
- Alteration, filed Sep 13, 2022, estimated cost $41K, described as “Facade repairs & parapet rebuild as per plans. No change in use, egress or occupancy.”
- Alteration, filed Feb 1, 2022, estimated cost $38K, described as “Steel dunnage to the rooftop of the PH apartment at 154 W 18th street to hold HVAC/Mechanical Units and a generator”
- Alteration, filed Jan 14, 2020, estimated cost $7K, described as “Sprinkler modifications”
- Alteration, filed Nov 15, 2019, estimated cost $12K, described as “Plumbing fixtures replacement and installation in apartment 6A as per plans filed herewith. No change to use, egress or occupancy”
Property taxes
- Assessment
- $7,597,800
- 2026–27 tax
- $762,516
- Market value (city estimate)
- $16,884,000
- Taxable value
- $7,202,970
- Assessed land
- $760,500
- Assessed improvements
- $6,837,300
Tax breaks
- Co-op and condo abatement, with no end date, a $133,634 credit this tax year.
Zoning
C6-2A: floor area ratio 7.42 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.
Recent sales
- May 29, 2024: $1,560,000
- Apr 19, 2024: $2,300,000
- Apr 19, 2024: $2,400,000
- Jul 21, 2022: $3,500,000
- Jun 29, 2022: $2,690,000
- Aug 29, 2019: $1,610,000
- Jan 16, 2019: $1,700,000
- May 27, 2016: $1,995,000
Open-market sales since 2016, from the Department of Finance’s sales files.
Board and land use applications
- Change to an earlier grant (Board of Standards and Appeals 947-80-BZII): Change to an earlier grant, Granted, filed Feb 12, 2007, decided Apr 17, 2007. Extension of Time to complete construction for a Variance that was originally granted on February 17, 1981 to allow the conversion of an eight story building from commercial to residential use which expired on March 25, 2007 in a C6-2A…
- Change to an earlier grant (Board of Standards and Appeals 947-80-BZ): Change to an earlier grant, Granted, filed Aug 7, 2002, decided Mar 25, 2003. Amendment of a previously approved variance which permitted in an M1 5 district, the erection of a penthouse enlargement on an existing 8 story building and the conversion of all floors above the second floor from lofts into a multiple…
- 154 W18TH ST (City Planning P1983M1195): Completed, decided Feb 28, 1985. CERT-GRANDFATHERING DETERMINATION (ZR15-215) TO LEGALIZE 1*UNIT IN AN 8 STY BLDG