19 St Marks Avenue
19 St Marks Avenue in Park Slope, Brooklyn, has 39 open HPD violations, 2 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 25, 2026. StreetSpy grade: F (49/100).
Multi-family walk-up · 3 units · Built 1889
StreetSpy grade: F (Severe, 49/100)
- 130 open HPD violations per 10 units, about 13 per apartment. The grade is F for that alone.
- 2 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 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 9 in 10 Brooklyn buildings this size.
- Repairs: Grade capped at F (39 open, 2 class C), records as of Oct 25, 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 27, 2026
- Safety: Clear (No open DOB violations), records as of Oct 23, 2026
- Registration: Expired Sep 1, 2022, records as of Oct 3, 2026
Housing code violations (HPD)
39 open violations: 2 class C (immediately hazardous), 22 class B, 11 class A, 4 class I (HPD orders such as lead paint or heat orders, not a hazard class). 1 issued in the last 12 months. 42 on record. Oldest open violation issued 2008-06-04. Newest violation issued 2026-05-05.
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: Leak or water damage, bathroom. D26-16.01 ADM CODE REPAIR THE LEAKY AND/OR DEFECTIVE FAUCETS BATHROOM BATHTUB 3RD STY APT ER1., issued 2008-06-04. HPD violation 2105452
- Class C: No hot water, bathroom. D26-17.07 ADM CODE PROVIDE HOT WATER AT ALL HOT WATER FIXTURES KITCHEN & BATHROOM 3RD STY APT ., issued 2008-06-04. HPD violation 2162127
- Class B: Damaged plaster or paint. D26-10.01 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR INTERIOR SKYLIGHT WALLS 3 STY PUB HALL., issued 2008-06-04. HPD violation 2105446
- Class B: Floor or stair defect (stairs). D26-10.01 ADM CODE PROPERLY SECURE THE LOOSE BALUSTRADE 2 TO 3 STY PUB HALL STAIRS., issued 2008-06-04. HPD violation 2105445
- 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 2008-06-04. HPD violation 2162131
- Class B: Electrical defect. D26-10.01 ADM CODE REPLACE WITH NEW THE MISSING 60 WATT BULBS AT ELECTRIC FIXTURE 3 STY PUB HALL., issued 2008-06-04. HPD violation 2105441
- Class B: Lighting defect. D26-19.05 ADM CODE PROVIDE ADEQUATE LIGHT OF NOT LESS THAN 60 WATTS INCANDESCENT OR EQUIVALENT ILLUMINATION PUB HALL ALL STYS., issued 2008-06-04. HPD violation 2105444
- Class B: D26-10.01 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE SCUTTLE COVER 3RD STY PUB HALL., issued 2008-06-04. HPD violation 2105459
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: FLOSSIE B BLOCK. See the full portfolio.
Last HPD registration Nov 2, 2021. HPD registration expired Sep 1, 2022 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 3009330069, HPD building ID 374664. HPD Online, ACRIS, DOB BIS.
Nearest subway
- Bergen St (2, 3), 2 min walk
- Atlantic Av-Barclays Ctr (D, N, R), 5 min walk
- Atlantic Av-Barclays Ctr (2, 3, 4, 5), 5 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 39 open (2 class C, 22 class B, 11 class A, 4 class I). 3 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 |
| Density cap | 130 per 10 units (about 13 per apartment). Grade capped at F: 100 or more open HPD violations per 10 units. | −6 |
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.