645 Carlton Avenue

645 Carlton Avenue in Prospect Heights, Brooklyn, has 12 open HPD violations, and no rent-stabilized units are on its tax bill, as of Oct 26, 2026. StreetSpy grade: D (55/100).

Co-op · Multi-family walk-up · 4 units · Built 1894

A cooperative: apartments are owned as shares, so a rental here is a sublet that usually needs board approval and may be limited to one or two years. Co-op units are not rent-stabilized.

StreetSpy grade: D (Poor, 55/100)

• 12 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.
• A co-op: renting here is a sublet, usually with board approval and a time limit; units are not rent-stabilized.

• Repairs: High (12 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)

12 open violations: 0 class C (immediately hazardous), 8 class B, 4 class A. 0 issued in the last 12 months. 28 on record. Oldest open violation issued 2008-06-18. Newest violation issued 2025-06-09.

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 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. (LIGHT FIXTURE PRESENT), issued 2015-08-03. HPD violation 10802772
• Class B: No heat / heating defect (basement). PROVIDE ADEQUATE LIGHTING BOILER ROOM FRONT CELLAR., issued 2008-06-18. HPD violation 1199501
• Class B: Roof defect (hallway). SECTION 27-2005, 2007 ADM CODE REMOVE THE ILLEGAL FASTENING HASP SCUTTLE COVER 4 STY PUBLIC HALL TO ROOF., issued 2008-06-18. HPD violation 1199502
• Class B: Roof defect (hallway). D26-10.01, 10.05 ADM CODE FIRE EGRESS DEFECTIVE. MAKE STATIONARY THE IRON LADDER LEADING TO SCUTTLE OPENING IN ROOF 4 STY PUBLIC HALL., issued 2008-06-18. HPD violation 1199494
• 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 CENTER., issued 2008-06-18. HPD violation 1199496
• Class B: Broken window or sash (hallway). D26-10.01, 10.05 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF DISUSED WINDOW GATE AT SCUTTLE CLOSET 4 STY PUBLIC HALL., issued 2008-06-18. HPD violation 1199492
• Class B: & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF EXCESSIVE STORAGE FRONT CELLAR., issued 2008-06-18. HPD violation 1199500
• Class B: Floor or stair defect (basement). PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE ALL CONCRETE RISERS FRONT ENTRANCE TO CELLAR., issued 2008-06-18. HPD violation 1199499

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: Owner reported 0 infested units
• 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: 645 avenue owners corporation. Head officer: Alessandro DeCamilli. Managing agent: 645 carlton ave owners corp. See the full portfolio.

Last HPD registration Jun 2, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.

Tax lot and city IDs

BBL 3011580001, HPD building ID 217248. HPD Online, ACRIS, DOB BIS.

Nearest subway

• 7 Av (B, Q), 1 min walk
• Grand Army Plaza (2, 3), 4 min walk
• Bergen St (2, 3), 5 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.