21 W End Ave, Manhattan, NY, 10023 is a rental building in Upper West Side, NYC. See every violation, 311 complaint, tenant review, and the LucidIQ score — before you sign a lease.
The building manager is a horrible person who is blissfully ignorant of all of the violations within the building. She also just defers to the super who is a mansplaining fool It is not worth the rent, the amenities are…
The building is nice, as are the amenities when you can actually use them but the management is awful. Here are some highlights: 1) Lived here for 3 years. Emailed management many times, almost never got a response witho…
21 West End is a high rise "luxury building". At least it is trying to develop into one. As of five months of our occupancy there are many kinks that still need to be worked out. Air handling within the units i…
Monthly counts over the last 7 years · all data sources
No HPD records on file in the last 7 years.
Asking rent per bedroom type — switch tabs to see each with effective (concession-net) rent.
Portfolio-level grade reflects the landlord's buildings across NYC, weighted by unit count. Individual building grades may differ.
View full landlord profileTop 5 by score · of 44 total
ACRIS deeds and regulatory filings
Manhattan · March 2026
Best & worst months to sign a lease
Potential savings: ~10% by timing your move to May.
The Upper West Side around Lincoln Center is cultural Manhattan — the Met Opera, New York Philharmonic, and NYC Ballet are your neighbors. Riverside Park runs along the Hudson, and Columbus Avenue has evolved into one of the city's best dining corridors.