644 Osborn Street

644 Osborn Street in Brownsville, Brooklyn, has 18 open HPD violations, 2 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 26, 2026. StreetSpy grade: D (55/100).

Multi-family walk-up · 4 units · Built 1930

StreetSpy grade: D (Poor, 55/100)

• 2 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• 2 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a.
• No housing complaints to 311 in the last 12 months.
• No rent-stabilized units on the tax bill. Increases aren't capped by stabilization, though Good Cause Eviction may still limit them.

More open violations per unit than 8 in 10 Brooklyn buildings this size.

• Repairs: High (18 open, 2 class C), records as of Oct 26, 2026
• Heat and hot water: No complaints, 12 mo, records as of Oct 25, 2026
• Pests: Clear (No bedbug filing, 3 yr), records as of Oct 28, 2026
• Safety: Clear (No open DOB violations), records as of Oct 26, 2026
• Registration: Expired Sep 1, 2025, records as of Oct 3, 2026

How the grade works

Housing code violations (HPD)

18 open violations: 2 class C (immediately hazardous), 5 class B, 11 class A. 1 issued in the last 12 months. 29 on record. Oldest open violation issued 2008-06-10. Newest violation issued 2026-05-05.

HPD recorded no violation closed here in the last 12 months.

2 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a. Section 302-a; NY Courts guidance on getting repairs.

• Class C: No heat / heating defect (hallway). D26-17.10 ADM CODE POST NOTICE, IN FORM APPROVED BY THE DEPARTMENT, STATING THE NAME AND LOCATION OF THE PERSON DESIGNATED BY THE OWNER TO HAVE KEY TO BUILDING'S HEATING SYSTEM 1 STY PUBLIC HALL & ON BOILER ROOM DOOR., issued 2008-06-10. HPD violation 1834646
• Class C: No heat / heating defect (boiler room). D26-17.10 ADM CODE POST NOTICE, IN FORM APPROVED BY THE DEPARTMENT, STATING THE NAME AND LOCATION OF THE PERSON DESIGNATED BY THE OWNER TO HAVE KEY TO BUILDING'S HEATING SYSTEM 1 STY PUB HALL & BOILER ROOM DOOR., issued 2008-06-10. HPD violation 1834640
• Class B: No heat / heating defect (basement). SECTION 65 M/D LAW PROVIDE UNDER COMPLETED PERMIT, A PROPER ENCLOSURE FOR THE CENTRAL HEATING PLANT, AT CELLAR CENTER., issued 2008-06-10. HPD violation 1834633
• Class B: Plumbing defect (basement). D26-34.01 ADM CODE DISCONTINUE USE OF ROOMS FOR LIVING, DISCONNECT PLUMBING FIXTURES AND PROPERLY SEAL PIPE CONNECTIONS CELLAR FRONT., issued 2008-06-10. HPD violation 1834637
• Class B: Door, lock or intercom defect (exterior). D26-10.01, 10.05 ADM CODE FIRE EGRESS DEFECTIVE. RESTORE EGRESS BY REMOVING LOCKING DEVICE AND ARRANGE TO OPEN READILY THE GATE IN FENCE AT LOT LINE AT LOT LINE NORTH YARD., issued 2008-06-10. HPD violation 1834645
• Class B: Door, lock or intercom defect (basement). SECTION 242 M/D LAW PROVIDE UNDER COMPLETED PERMIT,A PROPER ENCLOSURE WITH FIREPROOF SELFCLOSING DOORS AND ASSEMBLIES,AT THE TOP AND THE BOTTOM OF THE CELLAR STAIRS, AT CENTER., issued 2008-06-10. HPD violation 1834634
• Class B: Certificate of occupancy issue (basement). SECTION 300, 301, 302, M/D LAW FILE PLANS AND OBTAIN A CERTIFICATE OF OCCUPANCY TO LEGALIZE THE FOLLOWING ALTERATION OR RESTORE PREMISES TO PRIOR LEGAL CONDITION PARTITIONS ERECTED & CREATING ROOMS USED FOR LIVING IN CELLAR., issued 2008-06-10. HPD violation 1834636
• Class A: Bedbugs. (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., issued 2026-05-05. HPD violation 18882341

311 housing complaints

0 in the last 12 months, 0 in 5 years.

Bedbugs

No bedbug filing on record for the last 3 years. HPD's bedbug filings are self-reported by the owner once a year; HPD does not inspect to confirm them.

• 2026: No bedbug filing on record for this year
• 2025: No bedbug filing on record for this year
• 2024: No bedbug filing on record for this year
• 2023: No bedbug filing on record for this year
• 2022: No bedbug filing on record for this year
• 2021: No bedbug filing on record for this year

Buildings department (DOB)

No open DOB violations. 0 DOB violations on record. Check on DOB BIS.

Evictions and housing court

0 executed evictions in the last 3 years (0 on record). 0 open HPD cases; 0 harassment findings.

Rent stabilization

No rent-stabilized units on the tax bill.

Owner and management

Owner: CARMEN L BARTON. See the full portfolio.

Last HPD registration Sep 24, 2024. HPD registration expired Sep 1, 2025 and had not been renewed as of Oct 3, 2026. Buildings with 3+ units must register with HPD every year.

Tax lot and city IDs

BBL 3036370047, HPD building ID 349110. HPD Online, ACRIS, DOB BIS.

Nearest subway

• New Lots Av (L), 8 min walk
• East 105 St (L), 10 min walk
• Rockaway Av (3), 10 min walk

How the grade is calculated

Sources: NYC HPD Housing Maintenance Code Violations, NYC 311 Service Requests, NYC HPD Bedbug Reporting, NYC Marshal Evictions (DOI), NYC HPD Housing Litigations, NYC DOB Violations, NYC DOF tax bills (via JustFix Who Owns What portfolio API, v2), NYC HPD Property Registration. Methodology. Report generated 2026-10-28.