230 21st Street

230 21st Street in Sunset Park, Brooklyn, has 11 open HPD violations, 1 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 25, 2026. StreetSpy grade: D (55/100).

Multi-family walk-up · 4 units · Built 1931

StreetSpy grade: D (Poor, 55/100)

• 1 immediately hazardous violation 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.
• 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.

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

• Repairs: High (11 open, 1 class C), records as of Oct 25, 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 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)

11 open violations: 1 class C (immediately hazardous), 10 class B, 0 class A. 1 issued in the last 12 months. 21 on record. Oldest open violation issued 2008-06-18. Newest violation issued 2026-05-01.

0 closed in the last 90 days. Median 10 days from issue to close for the 2 violations closed 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). D26-17.10 ADM CODE POST NOTICE, IN FORM APPROVED BY THE DEPARTMENT, STATING THE NAME AND LOCATION OF THE PERSON DESIGNATED BY THE OWNER TO HAVE KEY TO BUILDING'S HEATING SYSTEM 1 STY PUBLIC HALL & ON BOILER ROOM DOOR., issued 2008-06-18. HPD violation 1012641
• Class B: Damaged plaster or paint (roof). SECTION 62, 187, 231 M/D LAW AND DEPT. RULES AND REGS. SAFEGUARD EGRESS BY PROVIDING IRON GUARD RAILS OR PARAPET WALLS 3 FT 6 IN HIGH AND EXTENDING A MINIMUM OF 4 FT 0 IN BEYOND EITHER SIDE OF BULKHEAD/SCUTTLE OPENING AT ROOF, issued 2008-06-18. HPD violation 1012634
• Class B: Fire escape defect. D26-10.01, 10.05 ADM CODE AND DEPT. RULES AND REGULATIONS. REMOVE THE ENCUMBRANCE OBSTRUCTING EGRESS FROM FIRE ESCAPES AIR CONDITIONER 1 STY BALCONY FRONT., issued 2008-06-18. HPD violation 1012636
• Class B: D26-10.01 ADM CODE REPLACE WITH NEW THE MISSING BALUSTERS 2 TO 3 STY PUBLIC HALL., issued 2008-06-18. HPD violation 1012638
• Class B: D26-10.01 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE PAVING CELLAR FRONT., issued 2008-06-18. HPD violation 1012640
• Class B: Lighting defect (entrance). D26-19.07 ADM CODE PROVIDE ADEQUATE LIGHTING AT OR NEAR THE OUTSIDE OF THE FRONT ENTRANCEWAY OF THE BUILDING AND KEEP SAME BURNING FROM SUNSET EVERY DAY TO SUNRISE ON THE DAY FOLLOWING 50 WATTS NIGHT INSPECTION., issued 2008-06-18. HPD violation 1012643
• Class B: Lighting defect (entrance). D26-19.05 ADM CODE PROVIDE ADEQUATE LIGHT OF NOT LESS THAN 60 WATTS INCANDESCENT OR EQUIVALENT ILLUMINATION VESTIBULE 1 STY PUB HALL NIGHT INSPECTION., issued 2008-06-18. HPD violation 1012644
• Class B: Items blocking a hallway or exit. D26-10.01, 10.05 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF HOUSEHOLD ITEMS SCUTTLE ENCLOSURE 3 STY PUB HALL., issued 2008-06-18. HPD violation 1012646

311 housing complaints

0 in the last 12 months, 2 in 5 years.

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: No bedbug filing on record for this year
• 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

No rent-stabilized units on the tax bill.

Owner and management

Owner: ISABEL M CATALDI. See the full portfolio.

Last HPD registration Mar 5, 2026. Registration on file through Sep 1, 2026; renewal not yet in the city's data.

Tax lot and city IDs

BBL 3006430033, HPD building ID 145559. HPD Online, ACRIS, DOB BIS.

Nearest subway

• 25 St (R), 5 min walk
• Prospect Av (R), 6 min walk
• 4 Av-9 St (F, G), 13 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.