2105 Blackrock Avenue

2105 Blackrock Avenue in Castle Hill, Bronx, has 36 open HPD violations, 18 of them class C, and 25 of 23 units are rent-stabilized, as of Oct 26, 2026. StreetSpy grade: F (37/100).

Multi-family walk-up · 23 units · Built 1927

StreetSpy grade: F (Severe, 37/100)

• 18 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• 1 open violation is classified rent-impairing under NY Multiple Dwelling Law section 302-a.
• 25 housing complaints to 311 in the last 12 months.
• 25 of 23 units are rent-stabilized; 24 on the 2007 tax bill.

More open violations per unit than 6 in 10 Bronx buildings this size.

• Repairs: High (36 open, 18 class C), records as of Oct 26, 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 28, 2026
• Safety: Clear (No open DOB violations), records as of Oct 26, 2026
• Registration: Renewal not yet in city data, records as of Oct 3, 2026

How the grade works

Housing code violations (HPD)

36 open violations: 18 class C (immediately hazardous), 15 class B, 3 class A. 12 issued in the last 12 months. 536 on record. Oldest open violation issued 2018-12-17. Newest violation issued 2026-09-24.

2 closed in the last 90 days. Median 1,022 days from issue to close for the 44 violations closed in the last 12 months.

1 open violation is classified rent-impairing under NY Multiple Dwelling Law section 302-a. Section 302-a; NY Courts guidance on getting repairs.

• Class C: Plumbing defect, kitchen, 5th floor. REPAIR THE BROKEN OR DEFECTIVE CONNECTION WASTELINE AT SINK BASIN IN THE KITCHEN LOCATED AT APT 4C, 5th STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 4C), issued 2025-06-20. HPD violation 18038487
• Class C: Roaches, throughout the apartment, 2nd floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 1C, 2nd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 1C), issued 2023-10-31. HPD violation 16347657
• Class C: Missing window guards, throughout the apartment, 2nd floor. HMC INSTALL THE MISSING OR REPAIR/REPLACE THE DEFECTIVE WINDOW GUARD(S) IN ACCORDANCE WITH THE SPECIFICATIONS OF THE NEW YORK CITY HEALTH CODE SECTION 24 RCNY CHAPTER 12. WG TO INSTALL = 0; WG TO REPLACE = 0; WG TO REPAIR = 1; IN THE ENTIRE APARTMENT LOCATED AT APT 1C, 2nd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 1C), issued 2023-10-31. HPD violation 16347654
• Class C: Lead paint hazard. - CORRECT FAILURE TO NOTIFY OCCUPANTS AND/OR TO INVESTIGATE LEAD-BASED PAINT HAZARDS. (apt 3E), issued 2023-10-26. HPD violation 16340533
• Class C: Lead paint hazard. : 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. (apt 3E), issued 2023-10-26. HPD violation 16340532
• Class C: Mold, west wall, bathroom, 1st floor. HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... APPROX. 15 SQ. FT. AT WEST WALL APPROX. 15 SQ. FT. AT CEILING APPROX. 6 SQ. FT. AT NORTH WALL IN THE BATHROOM LOCATED AT APT A, 1st STORY, 1st APARTMENT FROM WEST AT NORTH (apt A), issued 2022-01-11. HPD violation 14763202
• Class C: Lead paint hazard, throughout the apartment, 3rd floor. -CERTIFY COMPLIANCE WITH LEAD-BASED PAINT HAZARD CONTROL REQUIREMENTS DURING PERIOD OF UNIT VACANCY BY SUBMITTING REQUIRED SUPPORTING DOCUMENTATION AND AFFIDAVITS FOR APARTMENT .. IN THE ENTIRE APARTMENT LOCATED AT APT 2E, 3rd STORY, 2nd APARTMENT FROM SOUTH AT WEST (apt 2E), issued 2021-03-16. HPD violation 14073027
• Class C: Lead paint hazard, throughout the apartment, 5th floor. -CERTIFY COMPLIANCE WITH LEAD-BASED PAINT HAZARD CONTROL REQUIREMENTS DURING PERIOD OF UNIT VACANCY BY SUBMITTING REQUIRED SUPPORTING DOCUMENTATION AND AFFIDAVITS FOR APARTMENT ... IN THE ENTIRE APARTMENT LOCATED AT APT 4A, 5th STORY, 1st APARTMENT FROM NORTH AT EAST (apt 4A), issued 2021-03-03. HPD violation 14046870

311 housing complaints

25 in the last 12 months, 72 in 5 years. Most common: Door/Window (18), Plumbing (4), Water Leak (2), Paint/Plaster (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)

No open DOB violations. 1 DOB violation on record. Check on DOB BIS.

Evictions and housing court

1 executed evictions in the last 3 years (5 on record). 0 open HPD cases; 0 harassment findings.

Rent stabilization

25 of 23 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: 25 in 2024, 24 in 2007. Source: DOF tax bills for 2007 and 2024; years with no bill on file are left out.

Owner and management

Owner: BLACKROCK MGT CO INC.. Head officer: GREG TSARSI. Managing agent: LANGSAM PROP SERV CORP. This owner has 2 buildings on record, 2 graded D or F. See the full portfolio.

Last HPD registration Oct 8, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.

Tax lot and city IDs

BBL 2038080001, HPD building ID 49749. HPD Online, ACRIS, DOB BIS.

Nearest subway

• Castle Hill Av (6), 8 min walk
• Parkchester (6), 10 min walk
• Zerega Av (6), 12 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.