634 CLASSON AVENUE is a mid-century 1931 building, 8 units in Prospect Heights, NYC. Owned by HP MJM HOUSING DEVELOPMENT FUND COMPANY, INC.,. Public records show 11 open violations, 3 311 complaints, 2 active litigation matters on file. Risk signals: 1 bedbug report. Rent stabilization on file covers 6 units (registered 2024).
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Brooklyn · March 2026
Best & worst months to sign a lease
Potential savings: ~14% by timing your move to March.
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
§ 53, 187, 231 M/D LAW AND DEPARTMENT RULES AND REGULATIONS. PROVIDE A SHOE PROPERLY SECURED TO BOTTOM OF STRING OF DROPLADDER MISSING AT FIRE ESCAPE AT NORTH
§27-2104(B) HMC POST A PROPER NOTICE REGARDING RENT STABILIZATION LAW, IN A FORM APPROVED BY THE COMMISSIONER, IN A CONSPICUOUS LOCATION WITHIN THE COMMON AREA AT THE BUILDINGS ENTRANCE. FOR MORE INFORMATION ABOUT SIGNAGE REQUIREMENTS, PLEASE VISIT: HTTPS://WWW.NYC.GOV/SITE/HPD/SERVICES-AND-INFORMATION/REQUIRED-SIGNAGE.PAGE
§ 53, 187, 231 M/D LAW AND DEPARTMENT RULES AND REGULATIONS. PROVIDE A SHOE PROPERLY SECURED TO BOTTOM OF STRING OF DROPLADDER SHOE AT NORTH SIDE OF THE BUILDING AT FIRE ESCAPE
§ 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 2B, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST
§ 27-2005 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE INOPERATIVE LIGHT FIXTURE AT CEILING AT PUBLIC HALL, 2nd STORY
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
HPD Class A Violation — § 53, 187, 231 M/D LAW AND DEPARTMENT RULES AND REGULATIONS. PROVIDE A SHOE PROPERLY SECURED TO BOTTOM OF STRING OF DROP
HPD Class A Violation — §27-2104(B) HMC POST A PROPER NOTICE REGARDING RENT STABILIZATION LAW, IN A FORM APPROVED BY THE COMMISSIONER, IN A CONS
HEAT/HOT WATER — ENTIRE BUILDING
HEAT/HOT WATER — ENTIRE BUILDING
HEAT/HOT WATER — ENTIRE BUILDING
Blocked Driveway — No Access
Blocked Driveway — No Access
Blocked Driveway — Partial Access
HEAT/HOT WATER — ENTIRE BUILDING
HEAT/HOT WATER — ENTIRE BUILDING