720 West End Avenue, Manhattan
Condominium · 131 units · built c. 1927 · Block 1243, Lot 7505.
Building permits
- Alteration, filed Oct 23, 2025, estimated cost $5K, described as “Removal of kitchen in combined dwelling unit”
- Alteration, filed Jul 4, 2025, described as “Facade inspection windows -cleaning”
- Alteration, filed May 20, 2025, estimated cost $1K, described as “This application is filed for a Temporary Use Permit for a sales office including model apartments pursuant to section AC 28-111 and Buildings Bulletin 2010-002. Application filed in conjunction with Alt-1 # 123580062.”
- Alteration, filed Apr 3, 2025, described as “Installation of suspended scaffold for facade work.”
- Alteration, filed Mar 7, 2025, described as “Installation of temporary suspended scaffolds per plan submitted. Work shall comply with 2022 building code chapter 33. No change in use, egress and/or occupancy with this application.”
- Alteration, filed Jun 25, 2024, described as “Suspended scaffolding for facade repairs, filed separately. Suspended scaffold shall comply with ch 33 of the NYC bc. No change in use, occupancy or egress under this application.”
- Alteration, filed Jun 8, 2024, estimated cost $121K, described as “Sprinkler work as shown on plans filed herewith. Filed in conjunction with M00968340-I1 & Alt 1 123580062”
- Alteration, filed May 29, 2024, estimated cost $5K, described as “Installation of a temporary overhead protection 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 Jan 29, 2024, estimated cost $1K, described as “This application is filed for a Temporary Use Permit for a sales office pursuant to section AC 28-111 and Buildings Bulletin 2010-002. Application filed in conjunction with Alt-1 # 123580062”
- Alteration, filed Jan 18, 2024, described as “Install outrigger suspended scaffolding during facade repairs”
- Alteration, filed May 26, 2023, estimated cost $5K, described as “Installation of temporary overhead and roof protection 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 Apr 7, 2023, estimated cost $1K, described as “Foundation work in conjunction with Alt-1 # 123580062.”
- Alteration, filed Mar 29, 2023, estimated cost $20K, described as “Installation of dual personnel/material hoists. Car # 1 and car # 2 shall be 7000# capacity const filed sep. Hoists shall comply with the 2022 bldg codes, ch #33. No change in use, occ or egress under this app elev appl filed sep.”
- Alteration, filed Mar 20, 2023, estimated cost $25K, described as “Demolition means and methods and temporary bracing in conjunction with Alt-1 # 123580062.”
- Alteration, filed Feb 28, 2023, estimated cost $1K, described as “Underground piping in conjunction with Alt-1 # 123580062.”
- Alteration, filed Feb 14, 2023, estimated cost $8K, described as “Installation of a temporarily heavy-duty sidewalk, supported scaffold needle Beam and construction fence per plan submitted. Work shall comply with 2022 building codes chapter 33. No change in use, egress and/or occupancy with this…”
- Alteration, filed Jun 16, 2022, estimated cost $5K, described as “Installation of temporary exterior plastic chute during construction in conjunction with alt ii # 123847365”
- Alteration, filed Jul 22, 2020, estimated cost $5K, described as “Fence application as per plans filed in conjunction with Alt 1#123580062. No change to use, egress, or occupancy.”
- Alteration, filed May 28, 2020, estimated cost $1K, described as “Curb Cut application filed to reconstruct existing curb cut as per plans filed in conjunction with Alt 1 # 123580062”
- Alteration, filed Feb 28, 2020, estimated cost $350K, described as “Sprinkler/standpipe work filed in conjunction with Alt 1# 123580062”
- Alteration, filed Jan 24, 2020, estimated cost $23K, described as “Convert wet standpipe system to a LL64 Dry Pressurized alarmed standpipe system and remove Existing Sprinkler system as per FDNY Variance Index #1912061 in conjunction with Alt1 #123580062”
- Alteration, filed Aug 8, 2018, described as “Installation of pipe scaffold as per plans. No change in use, egress or occupancy.”
- Alteration, filed Dec 13, 2017, described as “Installation of heavy duty sidewalk shed as per plans. No change in use, egress or occupancy.”
Property taxes
- Assessment
- $27,480,605
- 2026–27 tax
- $2,542,799
- Market value (city estimate)
- $61,067,999
- Taxable value
- $20,743,252
- Assessed land
- $5,445,003
- Assessed improvements
- $22,035,602
- Condo units with their own tax lots
- 131
Tax breaks
- Co-op and condo abatement, with no end date, a $37,455 credit this tax year.
Zoning
R10A: floor area ratio 9.76 built, 10.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Aug 20, 2026: $2,995,000, Apt 4E
- Aug 19, 2026: $3,200,000, Apt 7E
- Aug 14, 2026: $1,555,000, Apt 10D
- Jul 16, 2026: $1,315,000, Apt 4J
- Jul 7, 2026: $1,325,000, Apt 5J
- Jun 23, 2026: $4,134,038, Apt 8B
- Jun 22, 2026: $2,975,000, Apt 5D
- Jun 4, 2026: $5,750,000, Apt 12A
- Jun 2, 2026: $1,330,000, Apt 6J
- Jun 1, 2026: $2,600,000, Apt 8F
The 10 most recent of 81 open-market sales since 2016, from the Department of Finance’s sales files.
In the news
720 West End Avenue Launches Sales on the Upper West Side of Manhattan, New York YIMBY, Jul 31, 2024.