25 Adelphi Street

25 Adelphi Street in Fort Greene, Brooklyn, has 13 open HPD violations, 3 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 1905

StreetSpy grade: D (Poor, 55/100)

• 3 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• 3 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 (13 open, 3 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)

13 open violations: 3 class C (immediately hazardous), 7 class B, 3 class A. 0 issued in the last 12 months. 22 on record. Oldest open violation issued 2008-06-12. Newest violation issued 2024-04-08. No new HPD violation has been issued here since 2024. Most of the open count is older violations that were never closed.

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

3 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 2008-06-12. HPD violation 1089082
• Class C: No heat / heating defect (basement). PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM CELLAR DOOR LOCKED., issued 2008-06-12. HPD violation 1089093
• Class C: Rats (basement). D26-13.03 ADM CODE ABATE THE NUISANCE CONSISTING OF RODENTS RATS CELLAR THROUGHOUT., issued 2008-06-12. HPD violation 1089081
• Class B: Lighting defect (hallway). PROVIDE ADEQUATE LIGHT OF NOT LESS THAN 60 WATTS INCANDESCENT OR EQUIVALENT ILLUMINATION 3 STY PUBLIC HALL., issued 2008-06-12. HPD violation 1089091
• Class B: Items blocking a hallway or exit (hallway). SECTION 27-2005, 2007 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF HOUSEHOLD ITEMS ALL STYS PUBLIC HALL., issued 2008-06-12. HPD violation 1089092
• Class B: Fire escape defect. D26-10.01, 10.05 ADM CODE FIRE EGRESS DEFECTIVE. REMOVE OBSTRUCTING BARS OR UNLAWFUL GATES FROM WINDOW TO FIRE ESCAPE OR PROVIDE APPROVED TYPE GATE 4 STY APT., issued 2008-06-12. HPD violation 1089087
• Class B: Damaged plaster or paint (basement). D26-10.01 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE PLASTER BOARD CEILING CELLAR THRU OUT., issued 2008-06-12. HPD violation 1089089
• Class B: Items blocking a hallway or exit (hallway). SECTION 27-2005, 2007 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF HOUSEHOLD FURNITURE STORED 4 STY PUBLIC HALL., issued 2008-06-12. HPD violation 1089090

311 housing complaints

0 in the last 12 months, 0 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: Owner reported 0 infested units
• 2022: No bedbug filing on record for this year
• 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: 25 ADELPHI STREET ASSOC. Head officer: JOHN C ARISTIZABAL. Managing agent: CARMEN DELGADO. See the full portfolio.

Last HPD registration Aug 26, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.

Tax lot and city IDs

BBL 3020320012, HPD building ID 182673. HPD Online, ACRIS, DOB BIS.

Nearest subway

• DeKalb Av (B, Q, R), 13 min walk
• Clinton-Washington Avs (G), 14 min walk
• Fulton St (G), 14 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.