31 East 21st Street
31 East 21st Street in Flatiron, Manhattan, has 1 open HPD violation, and 2 of 18 units are rent-stabilized, as of Oct 26, 2026. StreetSpy grade: B (80/100).
Mixed residential & commercial · 18 units · Built 1851
StreetSpy grade: B (Good, 80/100)
- 1 open housing violation, none in the most serious class.
- 4 heat or hot water complaints to 311 in the last 12 months.
- The owner's bedbug filings report 1 infested unit over the last 3 years.
- 2 of 18 units are rent-stabilized; 5 on the 2007 tax bill.
Fewer open violations per unit than 7 in 10 Manhattan buildings this size.
- Repairs: Low (1 open), records as of Oct 26, 2026
- Heat and hot water: 4 complaints, 12 mo, records as of Oct 25, 2026
- Pests: Medium (1 infested unit, 3 yr), records as of Oct 28, 2026
- Safety: Clear (No open DOB violations), records as of Oct 26, 2026
- Registration: Through Sep 1, 2027, records as of Oct 3, 2026
Housing code violations (HPD)
1 open violations: 0 class C (immediately hazardous), 1 class B, 0 class A. 0 issued in the last 12 months. 27 on record. Oldest open violation issued 2019-02-14. Newest violation issued 2025-01-09.
HPD recorded no violation closed here in the last 12 months.
- Class B: Damaged plaster or paint, ceiling, 1st room from the north, 2nd floor. REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING AND ALL WALLS IN THE 1st ROOM FROM NORTH LOCATED AT APT 2C, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 2C), issued 2019-02-14. HPD violation 12907855
311 housing complaints
4 in the last 12 months, 18 in 5 years. Most common: Heat/Hot Water (4).
Bedbugs
The owner reported 1 infested unit 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 1 infested, 1 treated, 0 re-infested
- 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. 11 DOB violations on record. Check on DOB BIS.
Evictions and housing court
0 executed evictions in the last 3 years (1 on record). 0 open HPD cases; 0 harassment findings.
Rent stabilization
2 of 18 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: 2 in 2024, 5 in 2007. Source: DOF tax bills for 2007 and 2024; years with no bill on file are left out.
Owner and management
Owner: UNITED FLATIRON LLC. Head officer: MARK HAROUNIAN. Managing agent: UNITED FLATIRON LLC. This owner has 25 buildings on record, 0 graded D or F. See the full portfolio.
Last HPD registration Jun 23, 2026, valid through Sep 1, 2027.
Tax lot and city IDs
BBL 1008500024, HPD building ID 12519. HPD Online, ACRIS, DOB BIS.
Nearest subway
- 23 St-Baruch College (6), 2 min walk
- 23 St (R, W), 2 min walk
- 14 St-Union Sq (N, Q, R, W), 6 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 1 open (1 class B) | −4 |
| 311 housing complaints (12 mo) | 4 | −8 |
| Bedbug reports (3 yr) | 1 infested unit | −8 |
| 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.