320 West End Avenue, Manhattan
Co-op · 33 units · built c. 1924 · Block 1167, Lot 1.
Building permits
- Alteration, filed Sep 24, 2026, 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 the NYC building code. Live load 300PSF.”
- Alteration, filed Mar 19, 2026, estimated cost $3K, described as “Installation of a temporarily heavy-duty sidewalk shed per plan submitted. Work shall comply with 2022 building codes chapter 33. No change in use, egress and/or occupancy with this application.”
- Alteration, filed Feb 19, 2026, estimated cost $189K, described as “Installation of booster pump, express riser, and assosiated piping as shown on plans”
- Alteration, filed Feb 18, 2026, estimated cost $115K, described as “Interior renovation in apt 11A as per plans filed herewith. No change in use, ehress and occupancy.”
- Alteration, filed Jan 20, 2026, estimated cost $203K, described as “Filing for Penthouse roof replacement as per plans filed herewith. No change in use, occupancy or egress.”
- Alteration, filed Oct 1, 2024, estimated cost $176K, described as “Filing for facade repair for floors 001-014 as per plans filed herewith. No change in egress, use or occupancy.”
- Alteration, filed Mar 26, 2024, estimated cost $5K, described as “Installation of a temporarily heavy-duty sidewalk shed per plan submitted. Work shall comply with 2022 building codes chapter 33. No change in use, egress and/or occupancy with this application.”
- Alteration, filed Mar 19, 2024, described as “Installation of ouriggers for facade repair and inspection”
- Alteration, filed Apr 22, 2022, estimated cost $80K, described as “Hereby filing for the interior renovation of apartment 8B including new non bearing partitions, new fixtures, new finishes and two new air cooled condensers and two new ducted split system air handlers. No change to use occupancy or egress.”
- Alteration, filed Apr 20, 2022, estimated cost $21K, described as “Hereby filing for removal, replacement, relocation and installation of fixtures. No change to use occupancy or egress.”
- Alteration, filed Jul 22, 2020, estimated cost $25K, described as “Replace / relocation of existing plumbing fixtures as per plans filed herewith”
Property taxes
- Assessment
- $8,487,900
- 2026–27 tax
- $849,848
- Market value (city estimate)
- $18,862,000
- Taxable value
- $7,941,320
- Assessed land
- $1,363,500
- Assessed improvements
- $7,124,400
Tax breaks
- Co-op and condo abatement, with no end date, a $138,006 credit this tax year.
Zoning
R10A: floor area ratio 11.80 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 16, 2026: $395,000
- Sep 12, 2025: $1,075,000
- Aug 27, 2025: $999,000
- Nov 13, 2023: $2,125,000
- Sep 20, 2023: $3,950,000
- Feb 10, 2020: $2,350,000, Apt 10B
- Dec 19, 2017: $1,495,000
- Nov 14, 2017: $2,350,000
- Jun 2, 2016: $4,795,000
Open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of West End-Collegiate Historic District Extension (Historic District). 18 Landmarks Preservation Commission permits are on file.