817 Onderdonk Avenue
817 Onderdonk Avenue in Ridgewood, Queens, has 12 open HPD violations, 1 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 26, 2026. StreetSpy grade: D (55/100).
Mixed residential & commercial · 4 units · Built 1911
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.
- The owner has 2 buildings on record; 1 graded D or F.
- 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 8 in 10 Queens buildings this size.
- Repairs: High (12 open, 1 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)
12 open violations: 1 class C (immediately hazardous), 6 class B, 5 class A. 0 issued in the last 12 months. 25 on record. Oldest open violation issued 2002-03-22. Newest violation issued 2025-06-12.
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: Damaged plaster or paint. D26-10.01 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR CLG BATHRM 2 STY APT 2L ER1. , SECTION '' '' (apt 2L), issued 2008-06-19. HPD violation 300870
- Class B: Roaches, kitchen. D26-13.03 ADM CODE ABATE THE NUISANCE CONSISTING OF VERMIN ROACHES KITCHEN & BATHRM 2 STY APT 2L. , SECTION '' '' (apt 2L), issued 2008-06-19. HPD violation 300871
- 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 100 WATTS INCANDESCENT OR EQUIVALENT MINIMUM REQUIRED NIGHT NSPECTION ., issued 2008-06-19. HPD violation 300875
- Class B: Floor or stair defect (roof). D26-10.01, 10.05 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF FURNITURE LOGS & HOUSE ARTICLES STORED INTERM LANDING STAIR BULKHEAD ROOF., issued 2008-06-19. HPD violation 300869
- Class B: Floor or stair defect (hallway). D26-10.01, 10.05 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF HOUSEHOLD ARTICLES PUBLIC HALL STAIR BULKHEAD TO ROOF., issued 2008-06-19. HPD violation 300868
- Class B: Self-closing door not working (stairs). D26-10.01, 10.05 ADM CODE ARRANGE AND MAKE SELF-CLOSING THE DOORS BULKHEAD PUB HALL STAIRS., issued 2008-06-19. HPD violation 300876
- Class B: Lighting defect (entrance). 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 200 WATTS REQUIRED LIGHTS NOT ON FIXTURE PRESENT, issued 2002-03-22. HPD violation 4142422
- Class A: Damaged plaster or paint (basement). D26-10.01 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE PLASTER BOARDS OF CELLAR CEILING THROUGH OUT., issued 2008-06-19. HPD violation 300864
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: Owner reported 0 infested units
- 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: 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 (1 on record). 0 open HPD cases; 0 harassment findings.
Rent stabilization
No rent-stabilized units on the tax bill.
Owner and management
Owner: ONDERDONK LLC. Head officer: Chad Harris. Managing agent: Onderdonk LLC. This owner has 2 buildings on record, 1 graded D or F. See the full portfolio.
Last HPD registration Jul 14, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.
Tax lot and city IDs
BBL 4034720066, HPD building ID 686168. HPD Online, ACRIS, DOB BIS.
Nearest subway
- Forest Av (M), 3 min walk
- Seneca Av (M), 4 min walk
- Myrtle-Wyckoff Avs (L), 9 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 12 open (1 class C, 6 class B, 5 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.