40 Montgomery Place

40 Montgomery Place in Park Slope, Brooklyn, has 17 open HPD violations, 2 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 25, 2026. StreetSpy grade: D (60/100).

Multi-family walk-up · 6 units · Built 1889

StreetSpy grade: D (Poor, 60/100)

• 2 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• No housing complaints to 311 in the last 12 months.
• The owner's bedbug filings report no infested units in the last 3 years.
• 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 7 in 10 Brooklyn buildings this size.

• Repairs: High (17 open, 2 class C), records as of Oct 25, 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 27, 2026
• Safety: Clear (No open DOB violations), records as of Oct 23, 2026
• Registration: Renewal not yet in city data, records as of Oct 3, 2026

How the grade works

Housing code violations (HPD)

17 open violations: 2 class C (immediately hazardous), 8 class B, 7 class A. 1 issued in the last 12 months. 27 on record. Oldest open violation issued 2002-08-23. Newest violation issued 2026-05-05.

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

• Class C: No heat / heating defect (basement). 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 AND CELLAR ENTRANCE DOOR., issued 2008-06-26. HPD violation 1760540
• Class C: No heat / heating defect (hallway). POST NOTICE, IN FORM APPROVED BY THE DEPARTMENT, STATING THE NAME AND LOCATION OF THE PERSON DESIGNATED BY THE OWNER TO HAVE KEY TO BUILDINGS HEATING SYSTEM ON DOOR BOILER ROOM AND ON WALL AT PUBLIC HALL, 1st STORY, issued 2002-08-23. HPD violation 4314639
• Class B: D26-10.01 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF EXCESS WOOD STORAGE CELLAR FRONT., issued 2008-06-26. HPD violation 1760542
• Class B: Damaged plaster or paint (basement). D26-10.01 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CEMENT MORTAR CEILING CELLAR EAST., issued 2008-06-26. HPD violation 1760543
• Class B: No heat / heating defect (basement). D26-10.01 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CEMENT MORTAR CEILING BOILER ROOM CELLAR., issued 2008-06-26. HPD violation 1760544
• 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 REAR., issued 2008-06-26. HPD violation 1760545
• Class B: Roof defect (hallway). SECTION 27-2005, 2007 ADM CODE FIRE EGRESS DEFECTIVE. MAKE STATIONARY THE IRON LADDER LEADING TO SCUTTLE OPENING IN ROOF .. AT PUBLIC HALL, 3rd STORY, issued 2002-08-23. HPD violation 4314670
• Class B: Electrical defect (hallway). & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF EXPOSED ELECTRICAL WIRES CEILING AT PUBLIC HALL, 3rd STORY, issued 2002-08-23. HPD violation 4314656

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: No bedbug filing on record for this year
• 2025: No bedbug filing on record for this year
• 2024: Owner reported 0 infested units
• 2023: Owner reported 0 infested units
• 2022: Owner reported 0 infested units
• 2021: Owner reported 0 infested units

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: HRMBCATS. Head officer: HELEN R MARTIN BLOCK. Managing agent: JOSEPH A RUEDA. See the full portfolio.

Last HPD registration Sep 25, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.

Tax lot and city IDs

BBL 3010730024, HPD building ID 339721. HPD Online, ACRIS, DOB BIS.

Nearest subway

• Grand Army Plaza (2, 3), 6 min walk
• 7 Av (B, Q), 8 min walk
• Eastern Pkwy-Brooklyn Museum (2, 3), 9 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.