517 WEST 121 STREET, Manhattan, NY, 10027 is a 241-unit rental building in Harlem, NYC. See every violation, 311 complaint, tenant review, and the LucidIQ score — before you sign a lease.
Pros: It is possibly the best dorm near Columbia University. Cons: Shared kitchen is not the best.
Pros: Really great, well-maintained building. Amazing security in the lobby, definitely the safest I've felt in NY. Cons: Since this is a building geared towards students, the units are tiny efficiencies and most lack p…
Pros: Clean, no pests, extremely quiet. Cons: The security guards are mostly useless, not a doorman, not even security. Advice to landlord: Allow deliverymen into the building.
Monthly counts over the last 7 years · all data sources
(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.
Manhattan · March 2026
Best & worst months to sign a lease
Potential savings: ~8% by timing your move to November.
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 14 total
ACRIS deeds and regulatory filings
Lead — Lead Kit Request (Residential) (L10)
HEAT/HOT WATER — ENTIRE BUILDING
HEAT/HOT WATER — ENTIRE BUILDING
HEAT/HOT WATER — ENTIRE BUILDING
Lead — Lead Kit Request (Residential) (L10)
Lead — Lead Kit Request (Residential) (L10)
Water System — Dirty Water (WE)
HPD Class A Violation — (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR
West Harlem around 125th Street is the neighborhood's commercial and cultural spine — the Apollo Theater, Studio Museum, and a corridor of new development coexist with decades-old barbershops and West African restaurants. Columbia's Manhattanville campus expansion is reshaping the western edge.