20-01 21st Avenue
20-01 21st Avenue in Astoria, Queens, has 5 open HPD violations, 2 of them class C, and 27 of 27 units are rent-stabilized, as of Oct 24, 2026. StreetSpy grade: B (79/100).
Multi-family walk-up · 27 units · Built 1949
StreetSpy grade: B (Good, 79/100)
- 2 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
- 5 heat or hot water complaints to 311 in the last 12 months.
- 1 eviction carried out by marshals in the last 3 years.
- 27 of 27 units are rent-stabilized; 24 on the 2007 tax bill.
Fewer open violations per unit than 5 in 10 Queens buildings this size.
- Repairs: Low (5 open, 2 class C), records as of Oct 24, 2026
- Heat and hot water: 5 complaints, 12 mo, records as of Oct 23, 2026
- Pests: Clear (Owner reported none, 3 yr), records as of Oct 26, 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
Housing code violations (HPD)
5 open violations: 2 class C (immediately hazardous), 2 class B, 1 class A. 10 issued in the last 12 months. 58 on record. Oldest open violation issued 2022-08-31. Newest violation issued 2026-04-09.
6 closed in the last 90 days. Median 116 days from issue to close for the 11 violations closed in the last 12 months.
- Class C: Missing window guards, bathroom, 1st floor. HMC INSTALL THE MISSING OR REPAIR/REPLACE THE DEFECTIVE WINDOW GUARD(S) IN ACCORDANCE WITH THE SPECIFICATIONS OF THE NEW YORK CITY HEALTH CODE SECTION 24 RCNY CHAPTER 12. WG TO INSTALL = 1; WG TO REPLACE = 0; WG TO REPAIR = 0; IN THE BATHROOM LOCATED AT APT 1A, 1st STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 1A), issued 2024-06-05. HPD violation 17025698
- Class C: Mice, throughout the apartment, 1st floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 1A, 1st STORY, 1st APARTMENT FROM WEST AT NORTH (apt 1A), issued 2022-08-31. HPD violation 15336810
- Class B: Leak or water damage, bathroom, 1st floor. , 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK CEILING IN THE BATHROOM LOCATED AT APT 1A, 1st STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 1A), issued 2024-06-05. HPD violation 17025694
- Class B: Damaged plaster or paint, 1st room from the north, 3rd floor. REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR CEILING IN THE 1st ROOM FROM NORTH AT EAST LOCATED AT APT 3B, 3rd STORY, 2nd APARTMENT FROM WEST AT NORTH (apt 3B), issued 2024-06-03. HPD violation 17011927
- Class A: Peeling paint or plaster, 2nd room from the north, 1st floor. PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT ALL PEELING PAINT SURFACES IN THE BATHROOM , THE 2nd ROOM FROM NORTH AT WEST LOCATED AT APT 1A, 1st STORY, 1st APARTMENT FROM WEST AT NORTH (apt 1A), issued 2024-06-10. HPD violation 17039165
311 housing complaints
5 in the last 12 months, 13 in 5 years. Most common: Heat/Hot Water (5).
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: Owner reported 0 infested units
- 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
1 executed evictions in the last 3 years (1 on record). 0 open HPD cases; 0 harassment findings.
Rent stabilization
27 of 27 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: 27 in 2024, 24 in 2007. Source: DOF tax bills for 2007 and 2024; years with no bill on file are left out.
Owner and management
Owner: CENTRAL ASTORIA LLC. Head officer: MARTIN KALT. Managing agent: MARTIN KALT. This owner has 21 buildings on record, 3 graded D or F. See the full portfolio.
Last HPD registration Sep 3, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.
Tax lot and city IDs
BBL 4008930101, HPD building ID 406181. HPD Online, ACRIS, DOB BIS.
Nearest subway
- Astoria-Ditmars Blvd (N, W), 11 min walk
- Astoria Blvd (N, W), 18 min walk
- 30 Av (N, W), 23 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 5 open (2 class C, 2 class B, 1 class A) | −10 |
| 311 housing complaints (12 mo) | 5 | −8 |
| Bedbug reports (3 yr) | None reported | 0 |
| Executed evictions (3 yr) | 1 | −3 |
| 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 2026-10-27.