300 West End Avenue, Manhattan
Co-op · 34 units · built c. 1917 · Block 1166, Lot 1.
Building permits
- Alteration, filed Jun 26, 2026, estimated cost $545K, described as “Proposed interior modification at unit 04B, including modification to bathrooms and the kitchen. Modification will include modifications to partitions and finishes throughout. No change in use, egress, or occupancy is proposed in this…”
- Alteration, filed Oct 10, 2025, estimated cost $314K, described as “Interior renovation of apartment 12A on the 12TH floor. No change to use, egress, or occupancy.”
- Alteration, filed May 30, 2025, estimated cost $131K, described as “Filing for garage repair in cellar floor as per plans filed herewith. No change in egress, use or occupancy.”
- Alteration, filed Jun 11, 2024, estimated cost $23K, described as “Filing for the 100% shaft demolition and opening closure on the roof as per plans filed herewith. No change in egress, use or occupancy.”
- Alteration, filed Feb 14, 2024, described as “Installation of suspended scaffold for facade work or inspection”
- Alteration, filed Jan 30, 2024, estimated cost $545K, described as “Installing new designed plaster crown molding. Remove existing ceilings as needed and reframe at a lower height. Removing all existing recessed downlights and decorative fixtures and installing new LED lighting. No change in use, egress or…”
- Alteration, filed Aug 5, 2022, estimated cost $764K, described as “Interior renovation of the apartment as shown on plans filed herewith. no change to use, egress or occupancy”
- Alteration, filed Jul 7, 2022, estimated cost $30K, described as “Propose to frame existing hole with new steel as shown on drawings filed herewith.”
- Alteration, filed Oct 25, 2021, estimated cost $30K, described as “Installation of roof bulkhead as shown on drawings.”
- Alteration, filed May 21, 2021, estimated cost $15K, described as “Proposed installation of heavy duty sidewalk shed as per plans. Live load 300 lbs per square feet. Sidewalk shed shall comply with chapter #33 of the NYC building code. No change in use, occupancy, or egress under this application.”
- Alteration, filed Apr 9, 2021, estimated cost $300K, described as “Exterior renovation of brick repair and rebuilt, window screen repair, reinforce masonry joints and rebuild roof parapets as shown on drawings filed herewith.”
- Alteration, filed May 7, 2020, estimated cost $38K, described as “Hereby filing for the installation of mechanical systems. No change to use occupancy or egress.”
- Alteration, filed Oct 17, 2019, estimated cost $30K, described as “Hereby filing for minor interior structural work to include air shaft removals in apartment 7A. In conjunction with DOB bis job #123711509 for ot and DOB now job # M00220645 for plumbing. No change in use, egress. Or occupancy.”
- Alteration, filed Oct 2, 2019, estimated cost $131K, described as “Hereby filing for the minor modification to plumbing fixtures in apartment 7A on the 7TH floor. No change to use, egress, or occupancy.”
Property taxes
- Assessment
- $13,953,150
- 2026–27 tax
- $1,359,495
- Market value (city estimate)
- $31,007,000
- Taxable value
- $13,129,850
- Assessed land
- $1,800,000
- Assessed improvements
- $12,153,150
Tax breaks
- Co-op and condo abatement, with no end date, a $273,736 credit this tax year.
Zoning
R10A (part of the lot is R8B): floor area ratio 11.13 built, above the 10.00 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Jun 24, 2025: $2,195,000
- Feb 6, 2024: $1,100,000
- Aug 10, 2023: $6,000,000
- Jun 21, 2019: $5,800,000
- Jun 13, 2019: $5,513,720
- Nov 29, 2018: $7,900,000
- Jan 2, 2018: $6,700,000
Open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of West End-Collegiate Historic District Extension (Historic District). 45 Landmarks Preservation Commission permits are on file.