341 Union Avenue
341 Union Avenue in Williamsburg, Brooklyn, has 4 open HPD violations, 3 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 25, 2026. StreetSpy grade: D (59/100).
Multi-family walk-up · 10 units · Built 1910
StreetSpy grade: D (Poor, 59/100)
- 3 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
- 4 heat or hot water complaints to 311 in the last 12 months.
- The owner's bedbug filings report no infested units in the last 3 years.
- 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, 3 class C), records as of Oct 25, 2026
- Heat and hot water: 4 complaints, 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)
4 open violations: 3 class C (immediately hazardous), 1 class B, 0 class A. 19 issued in the last 12 months. 37 on record. Oldest open violation issued 2008-06-04. Newest violation issued 2026-04-27.
0 closed in the last 90 days. Median 82 days from issue to close for the 16 violations closed in the last 12 months.
- Class C: No heat / heating defect, throughout the apartment, 5th floor. , 2032 ADM CODE PROVIDE AN ADEQUATE SUPPLY OF HEAT FROM AN APPROVED CENTRAL HEATING SYSTEM, OR AN APPROVED SYSTEM OF GAS OR ELECTRICAL HEATING IN GOOD OPERATING CONDITION FOR THE DWELLING UNIT IN THE ENTIRE APARTMENT LOCATED AT APT 17, 5th STORY, 2nd APARTMENT FROM NORTH AT EAST (apt 17), issued 2026-01-05. HPD violation 18546826
- Class C: Self-closing door not working, 5th floor. , 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGE IN THE ENTRANCE LOCATED AT APT 17, 5th STORY, 2nd APARTMENT FROM NORTH AT EAST (apt 17), issued 2025-12-24. HPD violation 18523707
- Class C: Self-closing door not working. , 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGE, issued 2025-12-24. HPD violation 18523708
- Class B: Floor or stair defect (hallway). D26-10.01 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CERAMIC FLOOR TILE 4 STY PUBLIC HALL., issued 2008-06-04. HPD violation 2199034
311 housing complaints
4 in the last 12 months, 13 in 5 years. Most common: Heat/Hot Water (4).
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: No bedbug filing on record for this year
- 2021: No bedbug filing on record for this year
Buildings department (DOB)
1 open DOB violation, a Local Law violation issued before 2000. 3 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: WILLIAMSBURG RENAISSANCE LLC. Head officer: SUNMEN YAU. Managing agent: WILLIAM LAM. See the full portfolio.
Last HPD registration Jan 14, 2026. Registration on file through Sep 1, 2026; renewal not yet in the city's data.
Tax lot and city IDs
BBL 3024000011, HPD building ID 382930. HPD Online, ACRIS, DOB BIS.
Nearest subway
- Metropolitan Av (G), 3 min walk
- Lorimer St (L), 5 min walk
- Hewes St (M, J), 5 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 4 open (3 class C, 1 class B) | −27 |
| 311 housing complaints (12 mo) | 4 | −14 |
| 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.