49 St Marks Avenue
49 St Marks Avenue in Park Slope, Brooklyn, has 7 open HPD violations, and no rent-stabilized units are on its tax bill, as of Oct 25, 2026. StreetSpy grade: D (55/100).
Multi-family walk-up · 3 units · Built 1899
StreetSpy grade: D (Poor, 55/100)
- 7 open housing violations, none in the most serious class.
- No housing complaints to 311 in the last 12 months.
- 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 7 in 10 Brooklyn buildings this size.
- Repairs: High (7 open), 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: High (1 open DOB violation), records as of Oct 23, 2026
- Registration: Renewal not yet in city data, records as of Oct 3, 2026
Housing code violations (HPD)
7 open violations: 0 class C (immediately hazardous), 6 class B, 1 class A. 1 issued in the last 12 months. 13 on record. Oldest open violation issued 2008-06-30. Newest violation issued 2026-05-06.
HPD recorded no violation closed here in the last 12 months.
- Class B: Electrical defect (basement). D26-10.01 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF EXPOSED ELECTRIC WIRES CEILING CELLAR CENTER R118., issued 2008-06-30. HPD violation 2106926
- Class B: No heat / heating defect (basement). D26-10.01, 10.05 ADM CODE ARRANGE AND MAKE SELF-CLOSING THE DOORS ENTRANCE TO BOILER ROOM CELLAR., issued 2008-06-30. HPD violation 2106922
- Class B: No heat / heating defect (basement). D26-10.01 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE METAL CEILING BOILER ROOM CELLAR., issued 2008-06-30. HPD violation 2106923
- Class B: D26-10.01 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF EXCESSIVE STORAGE HOUSEHOLD ITEMS CELLAR THRU OUT., issued 2008-06-30. HPD violation 2162545
- Class B: Lighting defect (exterior). D26-19.07 ADM CODE INSTALL AND MAINTAIN SUFFICIENT LIGHT OR LIGHTS OF AT LEAST 40 WATTS INCANDESCENT OR EQUIVALENT EACH, TO LIGHT ADEQUATELY FROM SUNSET TO SUNRISE THE REAR YARD., issued 2008-06-30. HPD violation 2162543
- Class B: Electrical defect (basement). D26-10.01 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF EXPOSED ELECTRIC WIRES CEILING CELLAR CENTER., issued 2008-06-30. HPD violation 2162544
- Class A: Bedbugs. (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS., issued 2026-05-06. HPD violation 18893011
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: No bedbug filing on record for this year
- 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)
1 open DOB violation. 1 DOB violation 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: WALTER STRENG. Managing agent: DENNIS PIUNNO. See the full portfolio.
Last HPD registration Aug 20, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.
Tax lot and city IDs
BBL 3009330053, HPD building ID 374827. HPD Online, ACRIS, DOB BIS.
Nearest subway
- Bergen St (2, 3), 1 min walk
- Atlantic Av-Barclays Ctr (D, N, R), 6 min walk
- Atlantic Av-Barclays Ctr (B, Q), 6 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 7 open (6 class B, 1 class A) | −40 |
| 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 | 1 open DOB violation | −5 |
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.