720 Knickerbocker Avenue

720 Knickerbocker Avenue in Bushwick, Brooklyn, has 20 open HPD violations, 2 of them class C, and 8 of 8 units are rent-stabilized, as of Oct 26, 2026. StreetSpy grade: F (47/100).

Multi-family walk-up · 8 units · Built 1910

StreetSpy grade: F (Severe, 47/100)

• 2 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• 2 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a.
• The owner's bedbug filings report no infested units in the last 3 years.
• 8 of 8 units are rent-stabilized.

More open violations per unit than 7 in 10 Brooklyn buildings this size.

• Repairs: High (20 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 (Owner reported none, 3 yr), records as of Oct 28, 2026
• Safety: Clear (No open DOB violations), records as of Oct 26, 2026
• Registration: Through Sep 1, 2027, records as of Oct 3, 2026

How the grade works

Housing code violations (HPD)

20 open violations: 2 class C (immediately hazardous), 15 class B, 3 class A. 2 issued in the last 12 months. 220 on record. Oldest open violation issued 2019-07-26. Newest violation issued 2026-06-04.

HPD recorded no violation closed here in the last 12 months.

2 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: No heat / heating defect (hallway). POST NOTICE, IN FORM APPROVED BY THE DEPARTMENT, STATING THE NAME AND LOCATION OF THE PERSON DESIGNATED BY THE OWNER TO HAVE KEY TO BUILDINGS HEATING SYSTEM MISSING AT PUBLIC HALL, 1st STORY, issued 2025-04-07. HPD violation 17815395
• 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 5, 2nd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 5), issued 2024-12-24. HPD violation 17573677
• Class B: Leak or water damage, ceiling, 3rd room from the north, 3rd floor. REPAIR THE ROOF SO THAT IT WILL NOT LEAK AT THE CEILING IN THE 3rd ROOM FROM NORTH LOCATED AT APT 8, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 8), issued 2025-09-19. HPD violation 18228537
• Class B: Leak or water damage, ceiling, 3rd floor. REPAIR THE ROOF SO THAT IT WILL NOT LEAK AT CEILING IN THE PRIVATE HALLWAY FROM NORTH LOCATED AT APT 8, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 8), issued 2025-09-19. HPD violation 18228533
• Class B: Missing or broken smoke / CO detector, throughout the apartment, 3rd floor. (B)(1)(B) HMC, § 12-06, § 12-07, § 12-09 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 8, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 8), issued 2025-09-19. HPD violation 18228535
• Class B: Damaged plaster or paint, ceiling, 3rd floor. REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING IN THE PRIVATE HALLWAY FROM NORTH LOCATED AT APT 8, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 8), issued 2025-09-19. HPD violation 18228534
• Class B: Missing or broken smoke / CO detector, throughout the apartment, 3rd floor. (B)(1)(A) HMC, § 12-01, § 12-03 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL SMOKE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH DEPARTMENT OF BUILDINGS RULES AND REGULATIONS DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 8, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 8), issued 2025-09-19. HPD violation 18228536
• Class B: Damaged plaster or paint, ceiling, 3rd room from the north, 3rd floor. REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING IN THE 3rd ROOM FROM NORTH LOCATED AT APT 8, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 8), issued 2025-09-19. HPD violation 18228538

311 housing complaints

1 in the last 12 months, 11 in 5 years. Most common: Water Leak (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. 0 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

8 of 8 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: STONEMOUNTAIN EQUITIES LLC. Head officer: MARK BRKOWITZ. Managing agent: Mendy Brunner. See the full portfolio.

Last HPD registration Jul 23, 2026, valid through Sep 1, 2027.

Tax lot and city IDs

BBL 3033910031, HPD building ID 321406. HPD Online, ACRIS, DOB BIS.

Nearest subway

• Halsey St (L), 7 min walk
• Myrtle-Wyckoff Avs (M), 8 min walk
• Myrtle-Wyckoff Avs (L), 8 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.