1 West End Avenue, Manhattan
Condominium · 361 units · built 2014 · Block 1171, Lot 7511.
Building permits
- Alteration, filed Aug 11, 2026, estimated cost $200K, described as “General construction related to the gas infrastructure restoration. No change in egress or occupancy.”
- Alteration, filed Feb 11, 2025, estimated cost $1K, described as “Temporary installation and use of sidewalk shed as per plans filed herewith. No change to use, egress or occupancy.”
- Alteration, filed Feb 10, 2025, estimated cost $9K, described as “Minor bathroom interior renovation of existing apartment unit as per plan submitted herewith. No change in use, egress, or occupancy under this application”
- Alteration, filed Dec 17, 2024, estimated cost $1K, described as “Installation and use of temporary supported scaffold as per plans filed herewith. No change in use, egress, or occupancy.”
- Alteration, filed Nov 11, 2024, estimated cost $26K, described as “Alteration of foundation wall with installation of new door. No change to use, egress or occupancy.”
- Alteration, filed Sep 9, 2024, estimated cost $60K, described as “Renovation of existing retail space, including removal and installation of interior non-bearing partitions and finishes as per plans submitted herewith. Ther is no change in use, egress or occupancy.”
- Alteration, filed Aug 9, 2024, estimated cost $483K, described as “Exterior restoration: limestone unit replacement, limestone patching, soft joint replacement, cast stone patching, new flashing and waterproofing at 6/f setback and misc. Repairs as per plans on floor 1-8 only. No change to use, egress or…”
- Alteration, filed Mar 25, 2024, estimated cost $16K, described as “Filed plumbing work for proposed alteration job.”
- Alteration, filed Feb 26, 2024, estimated cost $89K, described as “Interior renovation in existing daycare space only. No any enlargement involved. No change in use ,egress &occupancy.”
- Alteration, filed Feb 7, 2024, 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 2022 the NYC building code. Live load 300PSF.”
- Alteration, filed Dec 31, 2022, estimated cost $30K, described as “To add Auto Rental Establishment in existing parking garage on cellar & sub cellar 1, as per plans filed herewith.”
- Alteration, filed Apr 18, 2022, estimated cost $45K, described as “Installation of non-bearing partitions and doors. No change to use, egress or occupancy.”
- Alteration, filed Oct 13, 2020, estimated cost $5K, described as “Apartment 31D renovations work to include plumbing modifications. No change to use, egress or occupancy.”
- Alteration, filed Feb 10, 2020, estimated cost $1K, described as “Relocate 2 sprinkler as per plan. No change in egress. No change in use and occupancy”
- No Work, filed Apr 30, 2019, described as “Marketing event with tiki fete theme.”
- Alteration, filed Mar 2, 2018, described as “Installation of temporary sidewalk shed, construction fence and supported scaffold per plan submitted. Work shall comply with 2014 building codes chapter 33. No change in use, egress and/or occupancy with this application.”
Property taxes
- Assessment
- $143,749,374
- 2026–27 tax
- $525,839
- Market value (city estimate)
- $319,442,999
- Taxable value
- $4,310,279
- Assessed land
- $32,444,557
- Assessed improvements
- $111,304,817
- Condo units with their own tax lots
- 253
Tax breaks
- Nonprofit exemption (student dormitory), with no end date, about $319,869 a year below the full tax.
- 421-a exemption, through Jun 30, 2039, about $16,343,380 a year below the full tax.
Zoning
C4-7: floor area ratio 10.43 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
- Aug 14, 2026: $6,500,000, Apt 25F
- Jul 22, 2026: $3,400,000, Apt 19J
- Jul 20, 2026: $5,630,000, Apt 23A
- Jun 11, 2026: $7,550,000, Apt 32A
- Jun 10, 2026: $3,500,000, Apt 22B
- Mar 26, 2026: $2,800,000, Apt 18H
- Mar 18, 2026: $1,800,000, Apt 28H
- Nov 13, 2025: $3,300,000, Apt 24G
- Nov 12, 2025: $2,950,000, Apt 11F
- Oct 24, 2025: $1,715,000, Apt 16L
The 10 most recent of 318 open-market sales since 2016, from the Department of Finance’s sales files.