23 West 31st Street
23 West 31st Street in Flatiron, Manhattan, has 61 open HPD violations, 14 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 26, 2026. StreetSpy grade: F (35/100).
Mixed residential & commercial · 4 units · Built 1925
StreetSpy grade: F (Severe, 35/100)
- 14 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
- 7 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a.
- 13 housing complaints to 311 in the last 12 months.
- 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 Manhattan buildings this size.
- Repairs: High (61 open, 14 class C), records as of Oct 26, 2026
- Heat and hot water: 2 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)
61 open violations: 14 class C (immediately hazardous), 24 class B, 23 class A. 17 issued in the last 12 months. 141 on record. Oldest open violation issued 2016-07-13. Newest violation issued 2026-06-08.
HPD recorded no violation closed here in the last 12 months.
7 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: No heat / heating defect, 1st room from the north, 5th floor. HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE SHUT OFF VALVE AT RADIATOR IN THE 1st ROOM FROM NORTH AT WEST LOCATED AT APT 501, 5th STORY, 1st APARTMENT FROM NORTH AT EAST (apt 501), issued 2026-02-18. HPD violation 18649857
- Class C: No heat / heating defect, 1st room from the north, 5th floor. HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE SHUTOFF VALVE AT RADIATOR IN THE 1st ROOM FROM NORTH AT WEST LOCATED AT APT 501, 5th STORY, 1st APARTMENT FROM NORTH AT EAST (apt 501), issued 2026-02-18. HPD violation 18651121
- Class C: Floor or stair defect, 1st room from the north, 5th floor. PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD FLOOR IN THE 1st ROOM FROM NORTH AT WEST LOCATED AT APT 501, 5th STORY, 1st APARTMENT FROM NORTH AT EAST (apt 501), issued 2026-02-18. HPD violation 18651123
- Class C: Floor or stair defect, 1st room from the north, 5th floor. PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD FLOOR IN THE 1st ROOM FROM NORTH AT WEST LOCATED AT APT 501, 5th STORY, 1st APARTMENT FROM NORTH AT EAST (apt 501), issued 2026-02-18. HPD violation 18649858
- Class C: Gas defect, kitchen, 5th floor. PROVIDE AN ADEQUATE SUPPLY OF GAS TO THE FIXTURES AT RANGE IN THE KITCHEN LOCATED AT APT 5, 5th STORY, 1st APARTMENT FROM NORTH AT EAST (apt 5), issued 2021-10-04. HPD violation 14593052
- Class C: Gas defect, kitchen, 5th floor. PROVIDE AN ADEQUATE SUPPLY OF GAS TO THE FIXTURES AT RANGE IN THE KITCHEN LOCATED AT APT 5, 5th STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 5), issued 2020-12-31. HPD violation 13894752
- Class C: Gas defect, kitchen, 5th floor. PROVIDE AN ADEQUATE SUPPLY OF GAS TO THE FIXTURES AT RANGE IN THE KITCHEN LOCATED AT APT 5, 5th STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 5), issued 2020-12-29. HPD violation 13894302
- Class C: Gas defect, kitchen, 5th floor. PROVIDE AN ADEQUATE SUPPLY OF GAS TO THE FIXTURES AT RANGE IN THE KITCHEN LOCATED AT APT 5, 5th STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 5), issued 2020-12-23. HPD violation 13893739
311 housing complaints
13 in the last 12 months, 19 in 5 years. Most common: Door/Window (6), Heat/Hot Water (2), Plumbing (2), Water Leak (2), Unsanitary Condition (1).
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: No bedbug filing on record for this year
- 2024: No bedbug filing on record for this year
- 2023: Owner reported 0 infested units
- 2022: Owner reported 0 infested units
- 2021: No bedbug filing on record for this year
Buildings department (DOB)
No open DOB violations. 2 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: UD 31st Street LLC. Head officer: DAEJIN HWANG. Managing agent: MxP LLC. See the full portfolio.
Last HPD registration Mar 19, 2026. Registration on file through Sep 1, 2026; renewal not yet in the city's data.
Tax lot and city IDs
BBL 1008330027, HPD building ID 32178. HPD Online, ACRIS, DOB BIS.
Nearest subway
- 28 St (R, W), 3 min walk
- 34 St-Herald Sq (N, Q, R, W), 3 min walk
- 34 St-Herald Sq (B, D, F, M), 3 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 61 open (14 class C, 24 class B, 23 class A). 7 rent-impairing | −45 |
| 311 housing complaints (12 mo) | 13 | −20 |
| 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.