509 WEST 112 STREET is a prewar 1925 building, 6 floors, 18 units in Upper West Side, NYC. Owned by TRUSTEES OF COLUMBIA UNIVERSITY. Public records show 21 open violations, 12 311 complaints on file.
Drop this scorecard into a tenant guide, blog post, or wiki. It updates itself as new violations are filed.
Manhattan · March 2026
Best & worst months to sign a lease
Potential savings: ~9% by timing your move to February.
Asking rent per bedroom type — switch tabs to see each with effective (concession-net) rent.
Monthly counts over the last 7 years · all data sources
§ 27-2005 ADM CODE REPLACE WITH NEW THE MISSING CENTER HAND RAIL AT STOOP
(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.
(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.
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 181 total
ACRIS deeds and regulatory filings
The northern Upper West Side around 100th to 110th streets is where Columbia University's influence begins to creep in. Morningside Park, cheaper rents than the 70s and 80s, and a diverse mix of academics, families, and longtime residents give it an easygoing, unpretentious energy.
Illegal Parking — License Plate Obscured
Illegal Parking — Blocked Hydrant
Lead — Lead Kit Request (Residential) (L10)
Noise - Residential — Loud Music/Party
Illegal Parking — License Plate Obscured
HPD Class B Violation — § 27-2005 ADM CODE REPLACE WITH NEW THE MISSING CENTER HAND RAIL AT STOOP
OUTSIDE BUILDING — PORCH/BALCONY
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
Lead — Lead Kit Request (Residential) (L10)
Derelict Vehicles