16 East 23rd Street
16 East 23rd Street in Flatiron, Manhattan, has 8 open HPD violations, 5 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 26, 2026. StreetSpy grade: F (49/100).
Co-op · Multi-family elevator · 7 units · Built 1900
A cooperative: apartments are owned as shares, so a rental here is a sublet that usually needs board approval and may be limited to one or two years. Co-op units are not rent-stabilized.
StreetSpy grade: F (Severe, 49/100)
- 5 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
- 3 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a.
- The owner's bedbug filings report no infested units in the last 3 years.
- A co-op: renting here is a sublet, usually with board approval and a time limit; units are not rent-stabilized.
- Repairs: High (8 open, 5 class C), records as of Oct 26, 2026
- Heat and hot water: 1 complaint, 12 mo, records as of Oct 25, 2026
- Pests: Clear (Owner reported none, 3 yr), records as of Oct 28, 2026
- Safety: Medium (1 open DOB violation), records as of Oct 26, 2026
- Registration: Renewal not yet in city data, records as of Oct 3, 2026
Housing code violations (HPD)
8 open violations: 5 class C (immediately hazardous), 1 class B, 2 class A. 8 issued in the last 12 months. 11 on record. Oldest open violation issued 2017-09-18. Newest violation issued 2026-03-30.
0 closed in the last 90 days. Median 23 days from issue to close for the 1 violations closed in the last 12 months.
3 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. POST NOTICE, IN FORM APPROVED BY THE DEPARTMENT, STATING THE NAME AND LOCATION OF THE PERSON DESIGNATED BY THE OWNER TO HAVE KEY TO BUILDINGS HEATING SYSTEM SIGN MISSING, issued 2026-03-30. HPD violation 18744991
- Class C: No heat / heating defect (basement). PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM DOOR LOCKED AT CELLAR AT BOILER ROOM, issued 2026-03-30. HPD violation 18744987
- Class C: No hot water, throughout the apartment, 7th floor. PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 7F, 7th STORY, 1st APARTMENT FROM WEST AT NORTH (apt 7F), issued 2026-03-30. HPD violation 18744988
- Class C: No heat / heating defect, throughout the apartment, 7th floor. PROVIDE AN ADEQUATE SUPPLY OF HEAT FOR THE APARTMENT IN THE ENTIRE APARTMENT LOCATED AT APT 7F, 7th STORY, 1st APARTMENT FROM WEST AT NORTH (apt 7F), issued 2026-03-30. HPD violation 18744989
- Class C: No heat / heating defect, throughout the apartment, 8th floor. PROVIDE AN ADEQUATE SUPPLY OF HEAT FOR THE APARTMENT IN THE ENTIRE APARTMENT LOCATED AT APT PH, 8th STORY, 1st APARTMENT FROM NORTH AT EAST (apt PH), issued 2026-03-30. HPD violation 18744985
- 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 MINIMUM REQUIRED 100 WATTS (LIGHT FIXTURE PRESENT) AT FRONT AREAWAY, 1st STORY, issued 2017-09-18. HPD violation 11976849
- Class A: Damaged plaster or paint (entrance). POST AND MAINTAIN A PROPER SIGN ON WALL OF ENTRANCE STORY SHOWING THE REGISTRATION NUMBER ASSIGNED BY THE DEPARTMENT AND THE ADDRESS OF THE BUILDING., issued 2026-03-30. HPD violation 18744992
- Class A: Floor or stair defect (hallway). , M/D LAW AND DEPT. RULES AND REGS. PROVIDE A COMPLETED CERTIFICATE OF INSPECTION VISITS IN A PROPER FRAME AT OR NEAR MAILBOXES, BOTTOM EDGE OF FRAME BETWEEN 48-62 INCHES ABOVE FLOOR FRAME MISSING AT PUBLIC HALL, 1st STORY, issued 2026-03-30. HPD violation 18744990
311 housing complaints
1 in the last 12 months, 2 in 5 years. Most common: Heat/Hot Water (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: 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 0 infested units
Buildings department (DOB)
1 open DOB violation. 8 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: 16 Madison Square Housing Corp. Head officer: Paul Hsu. Managing agent: VENTURE NY PROPERTY MANAGEMENT LLC. See the full portfolio.
Last HPD registration Sep 6, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.
Tax lot and city IDs
BBL 1008510061, HPD building ID 12616. HPD Online, ACRIS, DOB BIS.
Nearest subway
- 23 St (R, W), 1 min walk
- 23 St-Baruch College (6), 2 min walk
- 28 St (6), 5 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 8 open (5 class C, 1 class B, 2 class A). 3 rent-impairing | −40 |
| 311 housing complaints (12 mo) | 1 | −8 |
| Bedbug reports (3 yr) | None reported | 0 |
| Executed evictions (3 yr) | None | 0 |
| Housing litigation | No open cases | 0 |
| Open DOB violations | 1 open DOB violation | −3 |
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.