143 East 23rd Street
143 East 23rd Street in Gramercy, Manhattan, has 39 open HPD violations, 19 of them class C, and 327 of 326 units are rent-stabilized, as of Oct 25, 2026. StreetSpy grade: C (73/100).
Mixed residential & commercial · 326 units · Built 1928
StreetSpy grade: C (Fair, 73/100)
- 19 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.
- 2 evictions carried out by marshals in the last 3 years.
- 327 of 326 units are rent-stabilized.
More open violations per unit than 6 in 10 Manhattan buildings this size.
- Repairs: Low (39 open, 19 class C), records as of Oct 25, 2026
- Heat and hot water: 15 complaints, 12 mo, records as of Oct 25, 2026
- Pests: Clear (Owner reported none, 3 yr), records as of Oct 27, 2026
- Safety: Clear (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)
39 open violations: 19 class C (immediately hazardous), 12 class B, 8 class A. 20 issued in the last 12 months. 611 on record. Oldest open violation issued 2017-03-23. Newest violation issued 2026-09-15.
1 closed in the last 90 days. Median 250 days from issue to close for the 24 violations closed in the last 12 months.
- Class C: Roaches, throughout the apartment, 3rd floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 3F, 3rd STORY, 3rd APARTMENT FROM EAST AT SOUTH (apt 3F), issued 2026-09-15. HPD violation 19220881
- Class C: Roaches, throughout the apartment, 3rd floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 3K, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 3K), issued 2026-06-26. HPD violation 19030605
- Class C: Roaches (hallway). HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES AT PUBLIC HALL, 3rd STORY, issued 2026-06-16. HPD violation 19008101
- Class C: Roaches, 1st room from the east, 3rd floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE 1st ROOM FROM EAST LOCATED AT B-ROOM 3K, 3rd STORY, 1st B-ROOM FROM SOUTH AT WEST (apt 3K), issued 2026-06-10. HPD violation 18992911
- Class C: Roaches, 1st room from the north, 3rd floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE 1st ROOM FROM NORTH LOCATED AT B-ROOM 3K, 3rd STORY, 1st B-ROOM FROM SOUTH AT WEST (apt 3K), issued 2026-06-02. HPD violation 18971206
- Class C: Roaches, 3rd floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES LOCATED AT B-ROOM 3K, 3rd STORY, 1st B-ROOM FROM SOUTH AT WEST (apt 3K), issued 2026-05-06. HPD violation 18851479
- Class C: Roaches, 1st room from the east, 17th floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE 1st ROOM FROM EAST LOCATED AT B-ROOM 17R, 17th STORY, 1st B-ROOM FROM NORTH AT EAST (apt 17R), issued 2025-10-09. HPD violation 18282964
- Class C: Roaches, 9th floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES LOCATED AT B-ROOM 9L, 9th STORY, 2nd B-ROOM FROM EAST AT SOUTH , SECTION ''NORTH'' (apt 9L), issued 2025-03-17. HPD violation 17767661
311 housing complaints
102 in the last 12 months, 251 in 5 years. Most common: Unsanitary Condition (52), Heat/Hot Water (15), Paint/Plaster (15), Door/Window (8), Plumbing (8).
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: No bedbug filing on record for this year
- 2024: Owner reported 0 infested units
- 2023: Owner reported 0 infested units
- 2022: Owner reported 0 infested units
- 2021: Owner reported 2 infested, 2 treated, 0 re-infested
Buildings department (DOB)
1 open DOB violation. 32 DOB violations on record. Check on DOB BIS.
Evictions and housing court
2 executed evictions in the last 3 years (8 on record). 0 open HPD cases; 0 harassment findings.
Rent stabilization
327 of 326 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: 327 in 2024, 327 in 2007. Source: DOF tax bills for 2007 and 2024; years with no bill on file are left out.
Owner and management
Owner: KENMORE ASSOCIATES LP. Head officer: MOLLY MATTIMORE. Managing agent: HOUSING & SERVICES INC. See the full portfolio.
Last HPD registration Jul 30, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.
Tax lot and city IDs
BBL 1008790027, HPD building ID 12608. HPD Online, ACRIS, DOB BIS.
Nearest subway
- 23 St-Baruch College (6), 3 min walk
- 28 St (6), 5 min walk
- 23 St (R, W), 6 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 39 open (19 class C, 12 class B, 8 class A) | −10 |
| 311 housing complaints (12 mo) | 102 | −14 |
| Bedbug reports (3 yr) | None reported | 0 |
| Executed evictions (3 yr) | 2 | −3 |
| Housing litigation | No open cases | 0 |
| Open DOB violations | 1 open DOB violation | 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.