640 West 231st Street
640 West 231st Street in Riverdale, Bronx, has no open HPD violations, and 2 of 61 units are rent-stabilized, as of Oct 26, 2026. StreetSpy grade: A (97/100).
Co-op · Multi-family elevator · 61 units · Built 1953
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: A (Excellent, 97/100)
- No open housing violations on record with HPD.
- The owner's bedbug filings report no infested units in the last 3 years.
- No evictions in the last 3 years.
- 2 of 61 units are rent-stabilized; 8 on the 2007 tax bill.
- Repairs: Clear (None open), 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)
0 open violations: 0 class C (immediately hazardous), 0 class B, 0 class A. 0 issued in the last 12 months. 3 on record.
HPD recorded no violation closed here in the last 12 months.
311 housing complaints
2 in the last 12 months, 2 in 5 years. Most common: Heat/Hot Water (2).
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: Owner reported 0 infested units
- 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)
No open DOB violations. 0 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
2 of 61 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, 8 est. in 2007. Source: DOF tax bills for 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 and 2024; years with no bill on file are left out. est.: the count was estimated from the bill's rent-stabilization charge, not stated on the bill (taxbills.nyc).
Owner and management
Owner: FAIRFIELD OWNERS CORP.. Head officer: RANDI MARTOS. Managing agent: GARTHCHESTER REALTY. See the full portfolio.
Last HPD registration Jul 23, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.
Tax lot and city IDs
BBL 2057370061, HPD building ID 121405. HPD Online, ACRIS, DOB BIS.
Nearest subway
- 231 St (1), 12 min walk
- Marble Hill-225 St (1), 13 min walk
- 238 St (1), 15 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | None open | 0 |
| 311 housing complaints (12 mo) | 2 | −3 |
| 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.