648 6th Avenue

648 6th Avenue in Sunset Park, Brooklyn, has 8 open HPD violations, and 1 of 6 units is rent-stabilized, as of Oct 26, 2026. StreetSpy grade: D (60/100).

Multi-family walk-up · 6 units · Built 1931

StreetSpy grade: D (Poor, 60/100)

• 8 open housing violations, none in the most serious class.
• 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.
• 1 of 6 units are rent-stabilized.

More open violations per unit than 6 in 10 Brooklyn buildings this size.

• Repairs: High (8 open), records as of Oct 26, 2026
• Heat and hot water: No complaints, 12 mo, records as of Oct 25, 2026
• Pests: Clear (Owner reported none, 3 yr), records as of Oct 28, 2026
• Safety: Clear (No open DOB violations), records as of Oct 26, 2026
• Registration: Renewal not yet in city data, records as of Oct 3, 2026

How the grade works

Housing code violations (HPD)

8 open violations: 0 class C (immediately hazardous), 6 class B, 2 class A. 0 issued in the last 12 months. 23 on record. Oldest open violation issued 2007-09-05. Newest violation issued 2025-06-05.

0 closed in the last 90 days. Median 1,065 days from issue to close for the 6 violations closed 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 B: Lighting defect (entrance). PROVIDE ADEQUATE LIGHTING AT OR NEAR THE OUTSIDE OF THE FRONT ENTRANCEWAY OF THE BUILDING AND KEEP SAME BURNING FROM SUNSET EVERY DAY TO SUNRISE ON THE DAY FOLLOWING A MINIMUM OF 100 WATTS OF INCANDESCENT LIGHT REQUIRED. AT FRONT AREAWAY, issued 2019-08-22. HPD violation 13238375
• Class B: Roof defect (roof). D26-10.01 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CHIMNEY NORTH FRONT & REAR ROOF., issued 2008-06-26. HPD violation 963709
• Class B: Lighting defect (entrance). D26-19.05 ADM CODE PROVIDE ADEQUATE LIGHT OF NOT LESS THAN 60 WATTS INCANDESCENT OR EQUIVALENT ILLUMINATION VESTIBULE., issued 2008-06-26. HPD violation 963706
• Class B: D26-10.01 ADM CODE ABATE THE NUISANCE CONSISTING OF MATTRESSES CELLAR NORTH., issued 2008-06-26. HPD violation 963711
• Class B: Fire escape defect (roof). D26-10.01 ADM CODE FIRE ESCAPE DEFECTIVE. PROPERLY SECURE GOOSE NECK LADDER ROOF REAR., issued 2008-06-26. HPD violation 963710
• Class B: Lighting defect (entrance). PROVIDE ADEQUATE LIGHTING AT OR NEAR THE OUTSIDE OF THE FRONT ENTRANCEWAY OF THE BUILDING AND KEEP SAME BURNING FROM SUNSET EVERY DAY TO SUNRISE ON THE DAY FOLLOWING 200 WATTS REQUIRED, issued 2007-09-05. HPD violation 4386350
• Class A: Damaged plaster or paint (stairs). D26-21.03 ADM CODE PAINT OR POST A SIGN INDICATING FLOORS ON WALL AT OR NEAR STAIRS PUB HALL ALL STYS., issued 2008-06-26. HPD violation 963708
• Class A: No heat / heating defect (basement). D26-16.01 ADM CODE PROPERLY REAM OUT, TAP AND PLUG, WITH SCREW PLUGS, THE HOLES IN DRAIN PIPE FLOOR REAR OF BOILER ROOM CELLAR., issued 2008-06-26. HPD violation 963707

311 housing complaints

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

Bedbugs

The owner reported 0 infested units in the last 3 years of filings. HPD's bedbug filings are self-reported by the owner once a year; HPD does not inspect to confirm them.

• 2026: Owner reported 0 infested units
• 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

1 of 6 units rent-stabilized as of 2024. Stabilized renewals: 0% for one year and 0% for two years under RGB Order #58 (Oct 1, 2026 to Sep 30, 2027).

Owner and management

Owner: 648 JC Coin Realty LLC. Head officer: jack J cheng. Managing agent: jack J cheng. See the full portfolio.

Last HPD registration Feb 11, 2026. Registration on file through Sep 1, 2026; renewal not yet in the city's data.

Tax lot and city IDs

BBL 3008790049, HPD building ID 132444. HPD Online, ACRIS, DOB BIS.

Nearest subway

• Prospect Av (R), 6 min walk
• 25 St (R), 9 min walk
• 15 St-Prospect Park (F, G), 11 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.