230 4th Avenue

230 4th Avenue in Carroll Gardens, Brooklyn, has 37 open HPD violations, 14 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 26, 2026. StreetSpy grade: D (55/100).

Mixed residential & commercial · 6 units · Built 1900

StreetSpy grade: D (Poor, 55/100)

• 14 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• 6 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a.
• No housing complaints to 311 in the last 12 months.
• No rent-stabilized units on the tax bill. Increases aren't capped by stabilization, though Good Cause Eviction may still limit them.

• Repairs: High (37 open, 14 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: Clear (No open DOB violations), records as of Oct 26, 2026
• Registration: Expired May 31, 1994, records as of Oct 3, 2026

How the grade works

Housing code violations (HPD)

37 open violations: 14 class C (immediately hazardous), 5 class B, 6 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. 37 on record. Oldest open violation issued 2005-07-14. Newest violation issued 2026-04-30.

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

6 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: Roof defect (hallway). REPLACE WITH NEW THE MISSING SCUTTLE LADDER TO ROOF 4 STY PUBLIC HALL ER1., issued 2008-06-26. HPD violation 941150
• Class C: Door, lock or intercom defect (entrance). SECTION 27-2005, 2007 ADM CODE REMOVE THE ILLEGAL FASTENING DOUBLE CYLINDER KEY OPERATED LOCK INSTALLED ON ENTRANCE DOOR TO 2 STY APT 2L. LOCATED AT APT 2L (apt 2L), issued 2008-06-26. HPD violation 941157
• 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 1 STY PUBLIC HALL & ON BOILER ROOM DOOR., issued 2008-06-26. HPD violation 941158
• Class C: Door, lock or intercom defect (entrance). & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF DOUBLE CYLINDER KEY OPERATED LOCK GATE FRONT ENTRANCE TO BLDG., issued 2008-06-26. HPD violation 941142
• Class C: Door, lock or intercom defect (entrance). SECTION 27-2005, 2007 ADM CODE REMOVE THE ILLEGAL FASTENING IRON DOOR FRONT ENTRANCE TO BLDG., issued 2008-06-26. HPD violation 941149
• Class C: Fire escape defect. FIRE ESCAPE DEFECTIVE. REPLACE WITH NEW THE BROKEN, DEFECTIVE AND/OR MISSING DROP LADDER REAR FIRE ESCAPE ER1, issued 2005-07-14. HPD violation 941182
• Class C: No hot water, bathroom. PROVIDE HOT WATER AT ALL HOT WATER FIXTURES KITCHEN & BATHROOM 3 STY NORTH APT 3R. LOCATED AT APT 3R (apt 3R), issued 2005-07-14. HPD violation 941159
• Class C: No heat / heating defect (hallway). PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM CELLAR DOOR LOCKED 1 STY PUBLIC HALL., issued 2005-07-14. HPD violation 941162

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)

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: 230 4 AVE CONDOMINIUM ASSOCIATION. Head officer: ROBERT ALPER. Managing agent: ROBERT ALPER. See the full portfolio.

Last HPD registration Apr 1, 1993. HPD registration expired May 31, 1994 and had not been renewed as of Oct 3, 2026. Buildings with 3+ units must register with HPD every year.

Tax lot and city IDs

BBL 3004417501, HPD building ID 128948. HPD Online, ACRIS, DOB BIS.

Nearest subway

• Union St (R), 1 min walk
• 4 Av-9 St (R), 10 min walk
• Bergen St (2, 3), 10 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.