840 West End Avenue
Manhattan · Upper West Side-Manhattan Valley, NY 10025
840 West End Avenue is a 38-apartment building in Upper West Side-Manhattan Valley, built in 1904, managed by GM West End Management LLC. The City has 79 open housing-code violations on file for it, 10 of them immediately hazardous, about 2.1 per apartment, roughly three times the neighborhood norm for a building this size (HPD, as of 5 October 2026). Tenants filed 31 complaints with 311 in the past year, which the City closed in a median of 13 days (311, as of 5 October 2026). No tenant has reviewed it here yet. Everything above comes from the City's own records.
Managed by GM West End Management LLC
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- Units
- 38
- Year built
- 1904
- Neighborhood
- Upper West Side-Manhattan Valley
- Borough
- Manhattan
This building’s record with the City
Complaints tenants filed with 311, and repairs a City inspector has asked for. Most repairs are routine maintenance. Both describe the building rather than the people in it, and often predate the current management.
31tenant complaints
Filed with 311 in the past year · 5 the year before
Typically closed in 13 days · neighborhood median is 4
79open repairs
Outstanding with HPD · about 2.1 per apartment
3 newly opened since our last check
- Immediately hazardous
- 10
- Hazardous
- 50
- Non-hazardous
- 19
What the open repairs are about
- Stairs, floors and ceilings41
- Leaks, damp or mould12
- Heat or hot water9
- Pests7
- Smoke and CO alarms5
- Other repairs5
Source: NYC 311 and Housing Preservation & Development. Look this building up · updated Oct 2026
What tenants say
Nobody has written about 840 West End Avenue yet.
Does the heat hold in January? How long does the super take? Does management answer the phone, and were you charged what you expected? No public record answers any of that. Only someone who lived here can.
Be the first to reviewAbout a minute, no account, stays anonymous.