18 Marconi Place

18 Marconi Place in Ocean Hill, Brooklyn, has 17 open HPD violations, 2 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 25, 2026. StreetSpy grade: F (41/100).

Multi-family walk-up · 3 units · Built 1899

StreetSpy grade: F (Severe, 41/100)

• 2 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.
• 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.

More open violations per unit than 8 in 10 Brooklyn buildings this size.

• Repairs: High (17 open, 2 class C), records as of Oct 25, 2026
• Heat and hot water: 1 complaint, 12 mo, records as of Oct 25, 2026
• Pests: Clear (Owner reported none, 3 yr), records as of Oct 27, 2026
• Safety: Clear (No open DOB violations), records as of Oct 23, 2026
• Registration: Renewal not yet in city data, records as of Oct 3, 2026

How the grade works

Housing code violations (HPD)

17 open violations: 2 class C (immediately hazardous), 12 class B, 3 class A. 6 issued in the last 12 months. 38 on record. Oldest open violation issued 2025-06-09. Newest violation issued 2026-05-05.

0 closed in the last 90 days. Median 216 days from issue to close for the 3 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: Mice, throughout the apartment, 2nd floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 2, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 2), issued 2025-06-09. HPD violation 17941267
• Class C: Door, lock or intercom defect, 1st room from the east, 2nd floor. , 2007 HMC: REMOVE THE ILLEGAL DOUBLE CYLINDER KEY OPERATED LOCKING DEVICE AT DOOR AT SECONDARY DOOR IN THE 1st ROOM FROM EAST AT SOUTH LOCATED AT APT 2, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 2), issued 2025-06-09. HPD violation 17941273
• Class B: Missing or broken smoke / CO detector, throughout the apartment, 2nd 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 2, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 2), issued 2025-11-03. HPD violation 18342078
• Class B: Door, lock or intercom defect, bathroom, 2nd floor. HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE ENTRANCE DOOR IN THE BATHROOM LOCATED AT APT 2, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 2), issued 2025-11-03. HPD violation 18342076
• Class B: Missing or broken smoke / CO detector, throughout the apartment, 2nd 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 2, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 2), issued 2025-11-03. HPD violation 18342077
• Class B: Floor or stair defect, bathroom, 2nd floor. PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CERAMIC FLOOR TILES IN THE BATHROOM LOCATED AT APT 2, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 2), issued 2025-11-03. HPD violation 18342075
• Class B: Damaged plaster or paint, 2nd window from the north, east wall, 1st room from the east, 2nd floor. HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE LOWER WINDOW SASH SPRING BALANCE 2ND WINDOW FROM NORTH AT EAST WALL IN THE 1st ROOM FROM EAST AT NORTH LOCATED AT APT 2, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 2), issued 2025-06-09. HPD violation 17941265
• Class B: Damaged plaster or paint, 1st window from the north, east wall, 1st room from the east, 2nd floor. HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE LOWER WINDOW SASH SPRING BALANCE 1ST WINDOW FROM NORTH AT EAST WALL IN THE 1st ROOM FROM EAST AT NORTH LOCATED AT APT 2, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 2), issued 2025-06-09. HPD violation 17941264

311 housing complaints

1 in the last 12 months, 9 in 5 years. Most common: Heat/Hot Water (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: No bedbug filing on record for this year
• 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)

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

No rent-stabilized units on the tax bill.

Owner and management

Owner: FRANKLIN M PATTERSON. See the full portfolio.

Last HPD registration Nov 20, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.

Tax lot and city IDs

BBL 3015650033, HPD building ID 332454. HPD Online, ACRIS, DOB BIS.

Nearest subway

• Rockaway Av (C), 2 min walk
• Broadway Junction (A, C), 8 min walk
• Chauncey St (J, Z), 9 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.