56 South Portland Ave
56 South Portland Ave in Fort Greene, Brooklyn, has 27 open HPD violations, 3 of them class C, and 10 of 10 units are rent-stabilized, as of Oct 26, 2026. StreetSpy grade: D (55/100).
Multi-family walk-up · 10 units · Built 1883
StreetSpy grade: D (Poor, 55/100)
- 3 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.
- No housing complaints to 311 in the last 12 months.
- 10 of 10 units are rent-stabilized.
More open violations per unit than 8 in 10 Brooklyn buildings this size.
- Repairs: High (27 open, 3 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: Renewal not yet in city data, records as of Oct 3, 2026
Housing code violations (HPD)
27 open violations: 3 class C (immediately hazardous), 16 class B, 8 class A. 1 issued in the last 12 months. 32 on record. Oldest open violation issued 1990-12-18. Newest violation issued 2026-05-05.
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 (boiler room). 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 PUB HALL & ON BOILER ROOM DOOR., issued 2008-06-05. HPD violation 2154749
- Class C: Broken window or sash. REPLACE WITH NEW THE MISSING WINDOW SASHES AND FRAMEES UPPER AND LOWER CENTER ROOM 3 STY WEST APT 8 ER1. , SECTION '' '' (apt 8), issued 1994-10-25. HPD violation 2154755
- Class C: Gas defect. PROVIDE AN ADEQUATE SUPPLY OF GAS TO THE FIXTURES 3 STY APT 5R ER1. , SECTION '' '' (apt 5R), issued 1990-12-18. HPD violation 2154754
- Class B: Damaged plaster or paint. D26-10.01 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR WALL 2 STY EAST APT 5KITCHEN. LOCATED AT APT 5KITCH (apt 5KITCH), issued 2008-06-05. HPD violation 2078676
- Class B: Leak or water damage, kitchen. D26-16.01 ADM CODE REPAIR THE LEAKY AND/OR DEFECTIVE FAUCETS SINK 2 STY EAST APT 5 KITCHEN. LOCATED AT APT 5 (apt 5), issued 2008-06-05. HPD violation 2078679
- Class B: Roaches (basement). ABATE THE NUISANCE CONSISTING OF VERMIN ROACHES THRU OUT BASEMENT APT 1F FRONT. LOCATED AT APT 1F (apt 1F), issued 2008-06-05. HPD violation 2078691
- Class B: Roaches. D26-13.03 ADM CODE ABATE THE NUISANCE CONSISTING OF VERMIN MICE & ROACHES THRU OUT 2 STY EAST APT 5. LOCATED AT APT 5 (apt 5), issued 2008-06-05. HPD violation 2078678
- Class B: Damaged plaster or paint. SECTION 300, 301, 302, M/D LAW FILE PLANS AND OBTAIN A CERTIFICATE OF OCCUPANCY TO LEGALIZE THE FOLLOWING ALTERATION OR RESTORE PREMISES TO PRIOR LEGAL CONDITION WALL REMOVED CHANGING TWO APTS INTO ONE 1 STY APTS 1F & 1R., issued 2008-06-05. HPD violation 2078692
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: No bedbug filing on record for this year
- 2024: Owner reported 0 infested units
- 2023: No bedbug filing on record for this year
- 2022: Owner reported 0 infested units
- 2021: Owner reported 1 infested, 1 treated, 0 re-infested
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
10 of 10 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).
Rent-stabilized units on city tax bills: 10 in 2024, 10 in 2007. Source: DOF tax bills for 2007 and 2024; years with no bill on file are left out.
Owner and management
Owner: JOHN L DIETZE. Managing agent: JOHN L DIETZE. See the full portfolio.
Last HPD registration Oct 27, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.
Tax lot and city IDs
BBL 3020990070, HPD building ID 373024. HPD Online, ACRIS, DOB BIS.
Nearest subway
- Fulton St (G), 1 min walk
- Lafayette Av (C), 3 min walk
- Atlantic Av-Barclays Ctr (B, Q), 5 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 27 open (3 class C, 16 class B, 8 class A). 2 rent-impairing | −45 |
| 311 housing complaints (12 mo) | None | 0 |
| Bedbug reports (3 yr) | None reported | 0 |
| Executed evictions (3 yr) | None | 0 |
| Housing litigation | No open cases | 0 |
| Open DOB violations | None | 0 |
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.