9 Thayer Street
9 Thayer Street in Washington Heights, Manhattan, has 5 open HPD violations, 5 of them class C, and 78 of 88 units are rent-stabilized, as of Oct 24, 2026. StreetSpy grade: C (74/100).
Multi-family elevator · 88 units · Built 1920
StreetSpy grade: C (Fair, 74/100)
- 5 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
- 15 heat or hot water complaints to 311 in the last 12 months.
- The owner's bedbug filings report 6 infested units over the last 3 years.
- 78 of 88 units are rent-stabilized; 85 on the 2007 tax bill.
More open violations per unit than 5 in 10 Manhattan buildings this size.
- Repairs: Low (5 open, 5 class C), records as of Oct 24, 2026
- Heat and hot water: 15 complaints, 12 mo, records as of Oct 23, 2026
- Pests: Medium (6 infested units, 3 yr), records as of Oct 26, 2026
- Safety: Clear (No open DOB violations), records as of Oct 23, 2026
- Registration: Through Sep 1, 2027, records as of Oct 3, 2026
Housing code violations (HPD)
5 open violations: 5 class C (immediately hazardous), 0 class B, 0 class A. 9 issued in the last 12 months. 319 on record. Oldest open violation issued 2021-12-14. Newest violation issued 2026-07-20.
3 closed in the last 90 days. Median 123 days from issue to close for the 18 violations closed in the last 12 months.
- Class C: Self-closing door not working (hallway). , 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGES AT FIRE DOOR LEADING TO NORTH SECTION AT PUBLIC HALL, 6th STORY, issued 2024-12-09. HPD violation 17532915
- Class C: Self-closing door not working (hallway). , 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGES AT SOUTH FIRE DOOR AT PUBLIC HALL, 4th STORY, issued 2024-11-18. HPD violation 17428573
- Class C: Self-closing door not working (hallway). , 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGES AT SOUTH FIRE DOOR AT PUBLIC HALL, 4th STORY, 1st SECTION FROM WEST AT NORTH, issued 2024-06-24. HPD violation 17067533
- Class C: Self-closing door not working (hallway). , 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE INOPERABLE HINGES AT SOUTH FIRE DOOR AT PUBLIC HALL, 3rd STORY, 1st SECTION FROM WEST AT NORTH, issued 2024-06-24. HPD violation 17067534
- Class C: Broken window or sash (hallway). REPLACE WITH NEW THE MISSING GLASS WINDOW AT THE 1ST FIRE DOOR FROM NORTH AT THE PUBLIC HALL AT PUBLIC HALL, 4th STORY, issued 2021-12-14. HPD violation 14727026
311 housing complaints
15 in the last 12 months, 50 in 5 years. Most common: Heat/Hot Water (15).
Bedbugs
The owner reported 6 infested units in 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: Owner reported 0 infested units
- 2024: Owner reported 3 infested, 3 treated, 0 re-infested
- 2023: Owner reported 3 infested, 3 treated, 0 re-infested
- 2022: Owner reported 2 infested, 2 treated, 0 re-infested
- 2021: Owner reported 4 infested, 4 treated, 0 re-infested
Buildings department (DOB)
No open DOB violations. 4 DOB violations on record. Check on DOB BIS.
Evictions and housing court
6 executed evictions in the last 3 years (11 on record). 0 open HPD cases; 0 harassment findings.
Rent stabilization
78 of 88 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: 78 in 2024, 85 in 2007. Source: DOF tax bills for 2007 and 2024; years with no bill on file are left out.
Owner and management
Owner: GVS PROPERTIES IV LLC. Head officer: EFSTATHIOS VALIOTIS. Managing agent: ALMA REALTY CORP. This owner has 60 buildings on record, 39 graded D or F. See the full portfolio.
Last HPD registration Jul 17, 2026, valid through Sep 1, 2027.
Tax lot and city IDs
BBL 1021740236, HPD building ID 28681. HPD Online, ACRIS, DOB BIS.
Nearest subway
- Dyckman St (1), 2 min walk
- Dyckman St (A), 5 min walk
- 207 St (1), 8 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 5 open (5 class C) | −4 |
| 311 housing complaints (12 mo) | 15 | −8 |
| Bedbug reports (3 yr) | 6 infested units | −8 |
| Executed evictions (3 yr) | 6 | −6 |
| 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.