43 Underhill Avenue
43 Underhill Avenue in Prospect Heights, Brooklyn, has 7 open HPD violations, 1 of them class C, and 2 of 10 units are rent-stabilized, as of Oct 25, 2026. StreetSpy grade: C (70/100).
10 units · Built 1931
StreetSpy grade: C (Fair, 70/100)
- 1 immediately hazardous violation open (the class that covers no heat, pests, lead paint and similar).
- The head officer on this registration is named on 16 buildings' registrations; 8 graded D or F.
- The owner's bedbug filings report no infested units in the last 3 years.
- 2 of 10 units are rent-stabilized; 14 on the 2007 tax bill.
More open violations per unit than 5 in 10 Brooklyn buildings this size.
- Repairs: Medium (7 open, 1 class C), records as of Oct 25, 2026
- Heat and hot water: 1 complaint, 12 mo, records as of Oct 25, 2026
- Pests: Clear (Owner reported none, 3 yr), records as of Oct 27, 2026
- Safety: Clear (1 open DOB violation), records as of Oct 23, 2026
- Registration: Renewal not yet in city data, records as of Oct 3, 2026
Housing code violations (HPD)
7 open violations: 1 class C (immediately hazardous), 5 class B, 1 class A. 0 issued in the last 12 months. 17 on record. Oldest open violation issued 2000-08-22. Newest violation issued 2019-02-19. No new HPD violation has been issued here since 2019. Most of the open count is older violations that were never closed.
HPD recorded no violation closed here in the last 12 months.
- Class C: No hot water, throughout the apartment, 3rd floor. & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF HOT WATER EXCEEDING THE ALLOWABLE MAXIMUM TEMPERATURE OF130.F DEGREES (FOUND 150.F) AT HOT WATER FIXTURES, IN THE ENTIRE APARTMENT LOCATED AT APT C2, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt C2), issued 2018-11-28. HPD violation 12773147
- Class B: Broken window or sash, 4th room from the east, 3rd floor. PROPERLY REPAIR THE BROKEN OR DEFECTIVE COUNTER BALANCES LOWER SASH WINDOW 2ND FROM SOUTH AT WEST IN THE 4th ROOM FROM EAST LOCATED AT APT C2, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt C2), issued 2018-11-28. HPD violation 12773163
- Class B: Fire escape defect, 4th room from the east, 3rd floor. & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF KEY OPERATED LOCK INSTALLED ON DOOR TO ROOM WITH WINDOW TO FIRE ESCAPE IN THE 4th ROOM FROM EAST LOCATED AT APT C2, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt C2), issued 2018-11-28. HPD violation 12773156
- Class B: Fire escape defect, 4th room from the east, 3rd floor. & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF FURNITURE OBSTRUCTING FIRE ESCAPE WINDOW IN THE 4th ROOM FROM EAST LOCATED AT APT C2, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt C2), issued 2018-11-28. HPD violation 12773160
- Class B: Self-closing door not working (roof). SECTION 27-2005, 2007 ADM CODE ARRANGE AND MAKE SELF-CLOSING THE DOORS AT ROOF BULK HEAD, issued 2007-09-12. HPD violation 6921755
- Class B: Missing or broken smoke / CO detector, throughout the apartment, 2nd floor. REPAIR OR REPLACE THE SMOKE DETECTOR MISSING IN THE ENTIRE APARTMENT LOCATED AT APT B1, 2nd STORY (apt B1), issued 2006-01-10. HPD violation 5937167
- Class A: Door, lock or intercom defect, 1st room from the north, 3rd floor. REPLACE WITH NEW THE MISSING SLIDING CLOSET DOORS IN THE 1st ROOM FROM NORTH LOCATED AT APT C-1, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH (apt C-1), issued 2000-08-22. HPD violation 3576668
311 housing complaints
1 in the last 12 months, 4 in 5 years. Most common: Heat/Hot Water (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: No bedbug filing on record for this year
- 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. 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
2 of 10 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: 2 in 2024, 14 in 2007. Source: DOF tax bills for 2007 and 2024; years with no bill on file are left out.
Owner and management
Owner: UNDERHILL AVENUE ASSOCIATES LLC. Head officer: JEFFREY GRONER. Managing agent: JEANS MANAGEMENT LLC. This owner has 16 buildings on record, 8 graded D or F. See the full portfolio.
Last HPD registration Oct 30, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.
Tax lot and city IDs
BBL 3011310001, HPD building ID 382868. HPD Online, ACRIS, DOB BIS.
Nearest subway
- Clinton-Washington Avs (C), 5 min walk
- Franklin Av (C), 9 min walk
- 7 Av (B, Q), 9 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 7 open (1 class C, 5 class B, 1 class A) | −27 |
| 311 housing complaints (12 mo) | 1 | −3 |
| Bedbug reports (3 yr) | None reported | 0 |
| Executed evictions (3 yr) | None | 0 |
| Housing litigation | No open cases | 0 |
| Open DOB violations | 1 open DOB violation, a Local Law violation issued before 2000 | 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.