378 Sackett Street

378 Sackett Street in Carroll Gardens, Brooklyn, has 10 open HPD violations, 2 of them class C, and 4 of 8 units are rent-stabilized, as of Oct 26, 2026. StreetSpy grade: F (30/100).

Multi-family walk-up · 8 units · Built 1920

StreetSpy grade: F (Severe, 30/100)

• 2 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• 1 open violation is classified rent-impairing under NY Multiple Dwelling Law section 302-a.
• The owner's bedbug filings report 1 infested unit over the last 3 years.
• 4 of 8 units are rent-stabilized; 5 on the 2007 tax bill.

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

• Repairs: High (10 open, 2 class C), records as of Oct 26, 2026
• Heat and hot water: 1 complaint, 12 mo, records as of Oct 25, 2026
• Pests: High (1 infested unit, 3 yr), records as of Oct 28, 2026
• Safety: Medium (1 open DOB violation), 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)

10 open violations: 2 class C (immediately hazardous), 1 class B, 6 class A, 1 class I (HPD orders such as lead paint or heat orders, not a hazard class). 1 issued in the last 12 months. 14 on record. Oldest open violation issued 2019-11-19. Newest violation issued 2026-05-05.

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

1 open violation is 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 (basement). PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM DOOR LOCK AT BASEMENT AT BOILER ROOM, issued 2019-11-25. HPD violation 13457298
• Class C: No heat / heating defect, throughout the apartment, 2nd floor. PROVIDE AN ADEQUATE SUPPLY OF HEAT FOR THE APARTMENT IN THE ENTIRE APARTMENT LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 2R), issued 2019-11-19. HPD violation 13457297
• Class B: Damaged plaster or paint (entrance). PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE FIRE RETARDANT PLASTER AT ALL WALLS VESTIBULE , 1st STORY, issued 2019-11-25. HPD violation 13457305
• 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 18886739
• Class A: Gas defect. HMC: POST, IN A FORM APPROVED BY THE COMMISSIONER, AND MAINTAIN A NOTICE IN A COMMON AREA OF THE BUILDING REGARDING THE PROCEDURES THAT SHOULD BE FOLLOWED WHEN A GAS LEAK IS SUSPECTED, issued 2021-11-12. HPD violation 14661940
• Class A: Missing or broken smoke / CO detector. HMC: POST A PROPER NOTICE OF CARBON MONOXIDE DETECTING DEVICE REQUIREMENTS, IN A FORM APPROVED BY THE COMMISSIONER, IN A COMMON AREA OF A CLASS A MULTIPLE DWELLING NEAR INSPECTION CERTIFICATE OR PROVIDE NOTICE TO TENANTS IN A PRIVATE DWELLING., issued 2021-11-09. HPD violation 14661938
• Class A: Floor or stair defect (hallway). , M/D LAW AND DEPT. RULES AND REGS. PROVIDE A COMPLETED CERTIFICATE OF INSPECTION VISITS IN A PROPER FRAME AT OR NEAR MAILBOXES, BOTTOM EDGE OF FRAME BETWEEN 48-62 INCHES ABOVE FLOOR AT PUBLIC HALL, 1st STORY, issued 2021-11-09. HPD violation 14661937
• Class A: Damaged plaster or paint (hallway). ADMIN. CODE: POST AND MAINTAIN A PROPER NOTICE ON WALL OF THE ENTRANCE STORY IN ENGLISH AND SPANISH ON THE AVAILABILITY OF THE AGENCYS HOUSING INFORMATION GUIDE. A SAMPLE NOTICE CAN BE FOUND AT WWW.NYC.GOV/HPD. AT PUBLIC HALL, 1st STORY, issued 2021-11-09. HPD violation 14661939

311 housing complaints

5 in the last 12 months, 6 in 5 years. Most common: Plumbing (2), Unsanitary Condition (2), Heat/Hot Water (1).

Bedbugs

The owner reported 1 infested unit in 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: Owner reported 1 infested, 0 treated, 0 re-infested
• 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)

1 open DOB violation, a Local Law violation issued before 2000. 6 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

4 of 8 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).

Rent-stabilized units on city tax bills: 4 in 2024, 5 est. in 2007. Source: DOF tax bills for 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 and 2024; years with no bill on file are left out. est.: the count was estimated from the bill's rent-stabilization charge, not stated on the bill (taxbills.nyc).

Owner and management

Owner: MAURN SERVICE CORP.. Head officer: GREG t O'CONNELL. Managing agent: OC CONSTRUCTION GROUP, INC. This owner has 4 buildings on record, 2 graded D or F. See the full portfolio.

Last HPD registration Aug 2, 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 3004290013, HPD building ID 365827. HPD Online, ACRIS, DOB BIS.

Nearest subway

• Carroll St (F, G), 3 min walk
• Bergen St (F, G), 6 min walk
• Smith-9 Sts (F, G), 12 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 property tax bills, via taxbills.nyc (2007 to 2017) and JustFix/NYCDB (2018 to 2024), NYC HPD Property Registration. Methodology. Report generated 2026-10-28.