144 Conover Street

144 Conover Street in Carroll Gardens, Brooklyn, has 16 open HPD violations, 4 of them class C, and 8 of 8 units are rent-stabilized, as of Oct 25, 2026. StreetSpy grade: F (38/100).

Multi-family walk-up · 8 units · Built 1921

StreetSpy grade: F (Severe, 38/100)

• 4 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.
• 3 heat or hot water complaints to 311 in the last 12 months.
• 8 of 8 units are rent-stabilized.

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

• Repairs: High (16 open, 4 class C), records as of Oct 25, 2026
• Heat and hot water: 3 complaints, 12 mo, records as of Oct 25, 2026
• Pests: Clear (Owner reported none, 3 yr), records as of Oct 27, 2026
• Safety: Medium (1 open DOB violation), 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)

16 open violations: 4 class C (immediately hazardous), 9 class B, 3 class A. 8 issued in the last 12 months. 69 on record. Oldest open violation issued 2005-04-22. Newest violation issued 2026-07-21.

1 closed in the last 90 days. Median 3,617 days from issue to close for the 26 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 C: Lead paint hazard, 1st room from the east, 4th floor. - CORRECT THE LEAD-BASED PAINT HAZARD - PAINT THAT TESTED POSITIVE FOR LEAD CONTENT AND THAT IS PEELING OR ON A DETERIORATED SUBSURFACE - USING WORK PRACTICES SET FORTH IN 28 RCNY ?11-06(B)(2) WEST WALL IN THE 1st ROOM FROM EAST AT SOUTH LOCATED AT APT 4F, 4th STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 4F), issued 2016-07-13. HPD violation 11308280
• Class C: Lead paint hazard, 3rd floor. - CORRECT THE LEAD-BASED PAINT HAZARD - PAINT THAT TESTED POSITIVE FOR LEAD CONTENT AND THAT IS PEELING OR ON A DETERIORATED SUBSURFACE - USING WORK PRACTICES SET FORTH IN 28 RCNY ?11-06(B)(2) NORTH WALL IN THE PRIVATE HALLWAY LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 3R), issued 2005-04-22. HPD violation 5463771
• Class C: Lead paint hazard, bathroom, 3rd floor. - CORRECT THE LEAD-BASED PAINT HAZARD - PAINT THAT TESTED POSITIVE FOR LEAD CONTENT AND THAT IS PEELING OR ON A DETERIORATED SUBSURFACE - USING WORK PRACTICES SET FORTH IN 28 RCNY ?11-06(B)(2) SOUTH WALL IN THE BATHROOM LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 3R), issued 2005-04-22. HPD violation 5463770
• Class C: Lead paint hazard, north wall, 1st room from the east, 3rd floor. - CORRECT THE LEAD-BASED PAINT HAZARD - PAINT THAT TESTED POSITIVE FOR LEAD CONTENT AND THAT IS PEELING OR ON A DETERIORATED SUBSURFACE - USING WORK PRACTICES SET FORTH IN 28 RCNY ?11-06(B)(2) BASEBOARD AT NORTH WALL IN THE 1st ROOM FROM EAST AT NORTH LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 3R), issued 2005-04-22. HPD violation 5463769
• Class B: Missing or broken smoke / CO detector, throughout the apartment, 3rd floor. SECTION 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 3F, 3rd STORY, APARTMENT AT EAST (apt 3F), issued 2016-10-11. HPD violation 11426398
• Class B: Missing or broken smoke / CO detector, throughout the apartment, 1st floor. SECTION 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 1R, 1st STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 1R), issued 2015-11-02. HPD violation 10986562
• Class B: Missing or broken smoke / CO detector, throughout the apartment, 1st floor. REPAIR OR REPLACE THE SMOKE DETECTOR DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 1R, 1st STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 1R), issued 2015-11-02. HPD violation 10986541
• Class B: Door, lock or intercom defect, throughout the apartment, 1st floor. PROPERLY REPAIR THE BROKEN OR DEFECTIVE INTERCOMMUNICATION SYSTEM IN THE ENTIRE APARTMENT LOCATED AT APT 1R, 1st STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 1R), issued 2015-11-02. HPD violation 10986534

311 housing complaints

3 in the last 12 months, 10 in 5 years. Most common: Heat/Hot Water (3).

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: 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

8 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).

Owner and management

Owner: 144 CONOVER STREET LLC. Head officer: GREGORY T O'CONNELL. Managing agent: O'C CONSTRUCTION GROUP, INC. This owner has 15 buildings on record, 4 graded D or F. See the full portfolio.

Last HPD registration Nov 5, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.

Tax lot and city IDs

BBL 3005540028, HPD building ID 225491. HPD Online, ACRIS, DOB BIS.

Nearest subway

• Carroll St (F, G), 19 min walk
• Smith-9 Sts (F, G), 20 min walk
• Bergen St (F, G), 25 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.