9 Harrison Avenue
9 Harrison Avenue in Williamsburg, Brooklyn, has 21 open HPD violations, 2 of them class C, and its rent-stabilization status could not be verified, as of Oct 26, 2026. StreetSpy grade: D (55/100).
Multi-family walk-up · 3 units · Built 1899
StreetSpy grade: D (Poor, 55/100)
- 2 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
- No housing complaints to 311 in the last 12 months.
More open violations per unit than 9 in 10 Brooklyn buildings this size.
- Repairs: High (21 open, 2 class C), records as of Oct 26, 2026
- Heat and hot water: No complaints, 12 mo, records as of Oct 25, 2026
- Pests: Clear (No bedbug filing, 3 yr), records as of Oct 28, 2026
- Safety: High (3 open DOB violations), records as of Oct 26, 2026
- Registration: Expired Sep 15, 2013, records as of Oct 28, 2026
Housing code violations (HPD)
21 open violations: 2 class C (immediately hazardous), 0 class B, 7 class A, 12 class I (HPD orders such as lead paint or heat orders, not a hazard class). 1 issued in the last 12 months. 21 on record. Oldest open violation issued 2009-10-01. Newest violation issued 2026-05-04.
HPD recorded no violation closed here in the last 12 months.
- Class C: Lead paint hazard. - CORRECT FAILURE TO NOTIFY OCCUPANTS AND/OR TO INVESTIGATE LEAD-BASED PAINT HAZARDS., issued 2021-08-06. HPD violation 14481803
- Class C: Lead paint hazard. (H) AND 27-2056.17 ADM CODE -CORRECT FAILURE TO PROVIDE TO THE DEPARTMENT WITHIN 45 DAYS OF DEMAND ALL RECORDS REQUIRED TO BE MAINTAINED BY OWNER PURSUANT TO LOCAL LAW 1 OF 2004 RELATED TO LEAD-BASED PAINT NOTICES, INSPECTIONS AND REMEDIATION/ABATEMENT ACTIVITIES., issued 2021-07-26. HPD violation 14458492
- Class A: Bedbugs. (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS., issued 2026-05-04. HPD violation 18867276
- Class A: Bedbugs. (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS., issued 2025-06-09. HPD violation 17982412
- Class A: Bedbugs. (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS., issued 2024-04-10. HPD violation 16855532
- Class A: Bedbugs. (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS., issued 2023-03-23. HPD violation 15839019
- Class A: Bedbugs. (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS., issued 2022-02-25. HPD violation 14933317
- Class A: Bedbugs. (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS., issued 2021-04-09. HPD violation 14191764
311 housing complaints
0 in the last 12 months, 0 in 5 years.
Bedbugs
No bedbug filing on record for the last 3 years. 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: No bedbug filing on record for this year
- 2024: No bedbug filing on record for this year
- 2023: No bedbug filing on record for this year
- 2022: No bedbug filing on record for this year
- 2021: No bedbug filing on record for this year
Buildings department (DOB)
3 open DOB violations, 2 of them Local Law violations 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
Stabilization status could not be verified.
Owner and management
Owner: KOISEV FAMILY TRUST. See the full portfolio.
Last HPD registration Jul 26, 2012. HPD registration expired Sep 15, 2013 and had not been renewed as of Oct 28, 2026. Buildings with 3+ units must register with HPD every year.
Tax lot and city IDs
BBL 3022080004, HPD building ID 308213. HPD Online, ACRIS, DOB BIS.
Nearest subway
- Hewes St (M, J), 1 min walk
- Broadway (G), 4 min walk
- Marcy Av (M, J, Z), 5 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 21 open (2 class C, 7 class A, 12 class I) | −40 |
| 311 housing complaints (12 mo) | None | 0 |
| Bedbug reports (3 yr) | None reported | 0 |
| Executed evictions (3 yr) | None | 0 |
| Housing litigation | No open cases | 0 |
| Open DOB violations | 3 open DOB violations, 2 of them Local Law violations issued before 2000 | −5 |
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.