148 Conover Street

148 Conover Street in Carroll Gardens, Brooklyn, has 4 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: B (79/100).

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

StreetSpy grade: B (Good, 79/100)

• 2 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• The owner has 3 buildings on record; 1 graded D or F.
• No housing complaints to 311 in the last 12 months.
• No rent-stabilized units on the tax bill. Increases aren't capped by stabilization, though Good Cause Eviction may still limit them.

• Repairs: Medium (4 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: 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)

4 open violations: 2 class C (immediately hazardous), 0 class B, 0 class A, 2 class I (HPD orders such as lead paint or heat orders, not a hazard class). 1 issued in the last 12 months. 17 on record. Oldest open violation issued 2009-10-14. Newest violation issued 2026-05-04.

0 closed in the last 90 days. Median 7 days from issue to close for the 1 violations closed in the last 12 months.

• Class C: PROVIDE TEMPORARY SEAL UP ALL ACCESSIBLE OPENING IN THE ENTIRE BUILDING, issued 2012-04-16. HPD violation 9403652
• Class C: D26-10.01 ADM CODE PROVIDE TEMPORARY SECURING ALL SCCESSIBLE OPENINGS ALL STYS BUILDING REAR., issued 2009-10-14. HPD violation 1254677
• Class I: Certificate of occupancy issue. ABOVE PREMISES HAVE BEEN VACANT AND UNTENANTED EXCEPT FOR CARETAKER FOR 60 DAYS OR MORE, AND CANNOT BE REOCCUPIED UNTIL A NEW CERTIFICATE OF OCCUPANCY HAS BEEN OBTAINED. PREMISES HAVE BEEN VACANT SINCE 04/14/2012. HPD violation 9403620
• Class I: Certificate of occupancy issue. ABOVE PREMISES HAVE BEEN VACANT AND UNTENANTED EXCEPT FOR CARETAKER FOR 60 DAYS OR MORE, AND CANNOT BE REOCCUPIED UNTIL A NEW CERTIFICATE OF OCCUPANCY HAS BEEN OBTAINED. PREMISES HAVE BEEN VACANT SINCE 07.10.2013. HPD violation 9898198

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: Owner reported 0 infested units
• 2024: No bedbug filing on record for this year
• 2023: No bedbug filing on record for this year
• 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. 5 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: Gregory T OCONNELL. This owner has 3 buildings on record, 1 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 3005540030, HPD building ID 225494. 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), 26 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.