131 Columbia Street
131 Columbia Street in Carroll Gardens, Brooklyn, has 12 open HPD violations, 1 of them class C, and 16 of 16 units are rent-stabilized, as of Oct 26, 2026. StreetSpy grade: D (54/100).
Multi-family walk-up · 16 units · Built 1910
StreetSpy grade: D (Poor, 54/100)
- 1 immediately hazardous violation open (the class that covers no heat, pests, lead paint and similar).
- 3 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a.
- 1 eviction carried out by marshals in the last 3 years.
- 16 of 16 units are rent-stabilized.
More open violations per unit than 5 in 10 Brooklyn buildings this size.
- Repairs: High (12 open, 1 class C), 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
Housing code violations (HPD)
12 open violations: 1 class C (immediately hazardous), 9 class B, 2 class A. 0 issued in the last 12 months. 52 on record. Oldest open violation issued 2010-07-27. Newest violation issued 2024-05-07. No new HPD violation has been issued here since 2024. Most of the open count is older violations that were never closed.
HPD recorded no violation closed here in the last 12 months.
3 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: Door, lock or intercom defect (roof). , 2007 ADM CODE REMOVE THE ILLEGAL FASTENING CONSISTING OF A LOCAKABLE SLIDE BOLT INSTALLED ON DOOR LEADING TO ROOF FROM BULK HEAD , 4th STORY, issued 2020-10-26. HPD violation 13867213
- Class B: Leak or water damage, ceiling, 1st room from the east, 2nd floor. , 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT CEILING IN THE 1st ROOM FROM EAST LOCATED AT APT 3B, 2nd STORY, 2nd APARTMENT FROM NORTH AT EAST (apt 3B), issued 2015-12-30. HPD violation 11052886
- Class B: Required notice or sign missing. PROVIDE DWELLING WITH A JANITOR OR RESPONSIBLE PERSON OR JANITORIAL SERVICE., issued 2015-12-08. HPD violation 11026864
- Class B: Required notice or sign missing. PROVIDE DWELLING WITH A JANITOR OR RESPONSIBLE PERSON OR JANITORIAL SERVICE., issued 2015-11-09. HPD violation 10993510
- Class B: Fire escape defect, 1st room from the east, 4th floor. PROPERLY REPAIR THE BROKEN OR DEFECTIVE LATCH AT WINDOW TO FIRE ESCAPE IN THE 1st ROOM FROM EAST LOCATED AT APT D3, 4th STORY, 2nd APARTMENT FROM NORTH AT EAST (apt D3), issued 2015-03-26. HPD violation 10640843
- Class B: No heat / heating defect, foyer, 4th floor. REPLACE WITH NEW THE MISSING KNOB AT RADIATOR SHUT OFF VALVE IN THE FOYER LOCATED AT APT D3, 4th STORY, 2nd APARTMENT FROM NORTH AT EAST (apt D3), issued 2015-03-24. HPD violation 10640857
- Class B: Damaged plaster or paint, throughout the apartment, 4th floor. REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR ALL WALLS AND CEILING IN THE ENTIRE APARTMENT LOCATED AT APT D3, 4th STORY, 2nd APARTMENT FROM NORTH AT EAST (apt D3), issued 2015-03-24. HPD violation 10640781
- Class B: Floor or stair defect, 4th room from the east, 1st floor. PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOODEN FLOOR IN THE 4th ROOM FROM EAST LOCATED AT APT 1A, 1st STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 1A), issued 2010-08-11. HPD violation 8549759
311 housing complaints
2 in the last 12 months, 7 in 5 years. Most common: Paint/Plaster (1), Unsanitary Condition (1).
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)
No open DOB violations. 1 DOB violation on record. Check on DOB BIS.
Evictions and housing court
1 executed evictions in the last 3 years (1 on record). 0 open HPD cases; 0 harassment findings.
Rent stabilization
16 of 16 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: 16 in 2024, 16 est. in 2007. Source: DOF tax bills for 2007, 2008, 2009, 2010, 2011, 2012, 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 CO. Head officer: GREGORY T O'CONELL. Managing agent: O'C CONSTRUCTION GROUP, INC. This owner has 4 buildings on record, 2 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 3003190030, HPD building ID 224163. HPD Online, ACRIS, DOB BIS.
Nearest subway
- Bergen St (F, G), 11 min walk
- Carroll St (F, G), 12 min walk
- Borough Hall (4, 5), 14 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 12 open (1 class C, 9 class B, 2 class A). 3 rent-impairing | −32 |
| 311 housing complaints (12 mo) | 2 | −8 |
| Bedbug reports (3 yr) | None reported | 0 |
| Executed evictions (3 yr) | 1 | −6 |
| Housing litigation | No open cases | 0 |
| Open DOB violations | None | 0 |
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.