300 10th Street
300 10th Street in Park Slope, Brooklyn, has 20 open HPD violations, 2 of them class C, and 9 of 27 units are rent-stabilized, as of Oct 24, 2026. StreetSpy grade: F (30/100).
Mixed residential & commercial · 27 units · Built 1914
StreetSpy grade: F (Severe, 30/100)
- 2 immediately hazardous violations 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.
- 13 heat or hot water complaints to 311 in the last 12 months.
- 9 of 27 units are rent-stabilized.
More open violations per unit than 5 in 10 Brooklyn buildings this size.
- Repairs: High (20 open, 2 class C), records as of Oct 24, 2026
- Heat and hot water: 13 complaints, 12 mo, records as of Oct 23, 2026
- Pests: High (12 infested units, 3 yr), records as of Oct 26, 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)
20 open violations: 2 class C (immediately hazardous), 17 class B, 1 class A. 27 issued in the last 12 months. 415 on record. Oldest open violation issued 2025-04-28. Newest violation issued 2026-10-01.
8 closed in the last 90 days. Median 346 days from issue to close for the 133 violations closed 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: Rats, throughout the apartment, 3rd floor. 567 (C) § 27-2017, 27-2017.1, 27-2017.4, 27-2017.5, 27-2017.8, 27-2019, 27-2021 HMC: ABATE THE NUISANCE CONSISTING OF EVIDENCE OF RATS AND ALL UNDERLYING CAUSES CREATING THE PEST INFESTATIONS, BY USING INTEGRATED PEST MANAGEMENT (IPM), ELIMINATE ALL BURROW ENTRY AND PASSAGEWAYS, PEST NESTS, HOLES, GAPS OR CRACKS IN WALLS, CEILINGS, FLOORS, FIXING LEAKS AND MANAGING GARBAGE IN PUBLIC AREAS. EVIDENCE FOUND AT RATS IN THE ENTIRE APARTMENT LOCATED AT APT 12, 3rd STORY, 1st APARTMENT FROM NORTH AT EAST (apt 12), issued 2026-10-01. HPD violation 19267178
- Class C: Roaches, throughout the apartment, 5th floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 26, 5th STORY, 2nd APARTMENT FROM EAST AT SOUTH (apt 26), issued 2025-04-28. HPD violation 17852464
- Class B: Leak or water damage, ceiling, bathroom, 3rd floor. , 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT CEILING IN THE BATHROOM LOCATED AT APT 12, 3rd STORY, 1st APARTMENT FROM NORTH AT EAST (apt 12), issued 2026-10-01. HPD violation 19267194
- Class B: Floor or stair defect, bathroom, 3rd floor. PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CERAMIC FLOOR TILES IN THE BATHROOM LOCATED AT APT 12, 3rd STORY, 1st APARTMENT FROM NORTH AT EAST (apt 12), issued 2026-10-01. HPD violation 19267171
- Class B: Plumbing defect, bathroom, 3rd floor. PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CAULKING AROUND PERMETER AT BATHTUB IN THE BATHROOM LOCATED AT APT 12, 3rd STORY, 1st APARTMENT FROM NORTH AT EAST (apt 12), issued 2026-10-01. HPD violation 19267174
- Class B: Door, lock or intercom defect, bathroom, 3rd floor. HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE ENTRANCE DOOR IN THE BATHROOM LOCATED AT APT 12, 3rd STORY, 1st APARTMENT FROM NORTH AT EAST (apt 12), issued 2026-10-01. HPD violation 19267189
- Class B: Floor or stair defect, 3rd room from the north, 3rd floor. PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD FLOOR THROUGHOUT IN THE 3rd ROOM FROM NORTH LOCATED AT APT 12, 3rd STORY, 1st APARTMENT FROM NORTH AT EAST (apt 12), issued 2026-10-01. HPD violation 19267185
- Class B: Mold, bathroom, 4th floor. HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... AT (LESS THAN 10 SQFT ) CEILING IN THE BATHROOM LOCATED AT APT 22, 4th STORY, 2nd APARTMENT FROM NORTH AT EAST ORIGINAL VIOLATION 17839807 ISSUED 21-APR-25 HAS BEEN UPGRADED TO CLASS B PER ADMINISTRATIVE CODE §27-2017.3a(3)(a) or (b). (apt 22), issued 2025-08-20. HPD violation 18179565
311 housing complaints
29 in the last 12 months, 87 in 5 years. Most common: Heat/Hot Water (13), Water Leak (8), Plumbing (3), Unsanitary Condition (3), Paint/Plaster (2).
Bedbugs
The owner reported 12 infested units in 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: Owner reported 4 infested, 4 treated, 0 re-infested
- 2024: Owner reported 4 infested, 4 treated, 0 re-infested
- 2023: Owner reported 4 infested, 4 treated, 0 re-infested
- 2022: Owner reported 0 infested units
- 2021: Owner reported 6 infested, 6 treated, 0 re-infested
Buildings department (DOB)
1 open DOB violation, a Local Law violation issued before 2000. 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
9 of 27 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).
Owner and management
Owner: 298-304 10TH STREET OWNER LLC. Head officer: ZACHARY KADDEN. Managing agent: FirstService Residential. This owner has 10 buildings on record, 4 graded D or F. See the full portfolio.
Last HPD registration Aug 21, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.
Tax lot and city IDs
BBL 3010160002, HPD building ID 129085. HPD Online, ACRIS, DOB BIS.
Nearest subway
- 4 Av-9 St (F, G), 1 min walk
- 4 Av-9 St (R), 2 min walk
- Prospect Av (R), 7 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 20 open (2 class C, 17 class B, 1 class A). 3 rent-impairing | −32 |
| 311 housing complaints (12 mo) | 29 | −20 |
| Bedbug reports (3 yr) | 12 infested units | −15 |
| Executed evictions (3 yr) | 1 | −3 |
| 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 2026-10-27.