663 Flatbush Avenue
663 Flatbush Avenue in Prospect Lefferts Gardens, Brooklyn, has 2 open HPD violations, 1 of them class C, and 4 of 6 units are rent-stabilized, as of Oct 24, 2026. StreetSpy grade: C (72/100).
Mixed residential & commercial · 6 units · Built 1931
StreetSpy grade: C (Fair, 72/100)
- 1 immediately hazardous violation open (the class that covers no heat, pests, lead paint and similar).
- 1 eviction carried out by marshals in the last 3 years.
- The head officer on this registration is named on 73 buildings' registrations; 39 graded D or F.
- 4 of 6 units are rent-stabilized.
- Repairs: Medium (2 open, 1 class C), records as of Oct 24, 2026
- Heat and hot water: No complaints, 12 mo, records as of Oct 23, 2026
- Pests: Clear (Owner reported none, 3 yr), records as of Oct 26, 2026
- Safety: Clear (No open DOB violations), records as of Oct 23, 2026
- Registration: Renewal not yet in city data, records as of Oct 3, 2026
Housing code violations (HPD)
2 open violations: 1 class C (immediately hazardous), 1 class B, 0 class A. 0 issued in the last 12 months. 154 on record. Oldest open violation issued 2021-08-12. Newest violation issued 2024-12-18.
HPD recorded no violation closed here in the last 12 months.
- Class C: Mice, throughout the apartment, 4th floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 4R, 4th STORY, 2nd APARTMENT FROM NORTH AT EAST (apt 4R), issued 2021-08-12. HPD violation 14488237
- Class B: Mold, kitchen, 4th floor. HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... APPRROXIMATELY 2 SQUARE FEET ,AT PLYWOOD BASE UNDER SINK IN THE KITCHEN LOCATED AT APT 4R, 4th STORY, 2nd APARTMENT FROM NORTH AT EAST ORIGINAL VIOLATION 14488236 ISSUED 05-AUG-21 HAS BEEN UPGRADED TO CLASS B PER ADMINISTRATIVE CODE §27-2017.3a(3)(a) or (b). (apt 4R), issued 2021-12-10. HPD violation 14727293
311 housing complaints
0 in the last 12 months, 7 in 5 years.
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)
No open DOB violations. 1 DOB violation on record. Check on DOB BIS.
Evictions and housing court
1 executed evictions in the last 3 years (1 on record). 0 open HPD cases; 0 harassment findings.
Rent stabilization
4 of 6 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).
Owner and management
Owner: 663 FLATBUSH LLC. Head officer: STEVEN KASHANIAN. Managing agent: JONATHAN ISMAILI. This owner has 73 buildings on record, 39 graded D or F. See the full portfolio.
Last HPD registration Aug 20, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.
Tax lot and city IDs
BBL 3050450009, HPD building ID 292867. HPD Online, ACRIS, DOB BIS.
Nearest subway
- Parkside Av (Q), 3 min walk
- Prospect Park (B, Q, S), 7 min walk
- Church Av (B, Q), 10 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 2 open (1 class C, 1 class B) | −18 |
| 311 housing complaints (12 mo) | None | 0 |
| Bedbug reports (3 yr) | None reported | 0 |
| Executed evictions (3 yr) | 1 | −10 |
| 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 2026-10-27.