1523 11 AVENUE is a mid-century 1931 building, 4 units in Park Slope, NYC. Owned by GEREX CORP.. Public records show 3 open violations, 3 311 complaints on file. Risk signals: 1 bedbug report.
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Asking rent per bedroom type — switch tabs to see each with effective (concession-net) rent.
Brooklyn · February 2026
Best & worst months to sign a lease
Potential savings: ~7% by timing your move to November.
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.
§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISES FOR NONPAYMENT OF RENT UNTIL A VALID REGISTRATION STATEMENT IS FILED.
Portfolio-level grade reflects the landlord's buildings across NYC, weighted by unit count. Individual building grades may differ.
View full landlord profileTop 2 by score · of 3 total
ACRIS deeds and regulatory filings
Blocked Driveway — Partial Access
Illegal Parking — Commercial Overnight Parking
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
HPD Class I Violation — §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-20
Request Large Bulky Item Collection
South Park Slope and the Gowanus borderlands offer the brownstone beauty of Park Slope with slightly more edge — the Gowanus Canal is being cleaned up, Old Stone House park hosts community events, and Fifth Avenue's bar and restaurant scene is unpretentious and local.