644 Flatbush Avenue
644 Flatbush Avenue in Prospect Lefferts Gardens, Brooklyn, has 19 open HPD violations, and no rent-stabilized units are on its tax bill, as of Oct 26, 2026. StreetSpy grade: D (55/100).
Mixed residential & commercial · 2 units · Built 1928
StreetSpy grade: D (Poor, 55/100)
- 19 open housing violations, none in the most serious class.
- 1 open violation is classified rent-impairing under NY Multiple Dwelling Law section 302-a.
- No 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.
- Repairs: High (19 open), records as of Oct 26, 2026
- Heat and hot water: No 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)
19 open violations: 0 class C (immediately hazardous), 12 class B, 7 class A. 0 issued in the last 12 months. 28 on record. Oldest open violation issued 2007-06-06. Newest violation issued 2016-08-09. No new HPD violation has been issued here since 2016. Most of the open count is older violations that were never closed.
HPD recorded no violation closed here in the last 12 months.
1 open violation is classified rent-impairing under NY Multiple Dwelling Law section 302-a. Section 302-a; NY Courts guidance on getting repairs.
- Class B: Missing or broken smoke / CO detector, throughout the apartment, 3rd floor. SECTION 27-2046.1, 2046.2 HMC: PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES. IN THE ENTIRE APARTMENT LOCATED AT APT 3F, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 3F), issued 2009-04-23. HPD violation 7834512
- Class B: No hot water, throughout the apartment, 3rd floor. PROVIDE ADEQUATE SUPPLY OF HOT WATER FOR THE FIXTURES KITCHEN AND BATHROOM IN THE ENTIRE APARTMENT LOCATED AT APT 3F, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 3F), issued 2009-04-23. HPD violation 7834513
- Class B: Missing or broken smoke / CO detector, throughout the apartment, 3rd floor. SECTION 27-2046.1, 2046.2 HMC: PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES. IN THE ENTIRE APARTMENT LOCATED AT APT 2, 3rd STORY (apt 2), issued 2007-06-06. HPD violation 5218431
- Class B: Electrical defect, kitchen, 3rd floor. SECTION 27-2005 ADMIN. CODE: REPLACE WITH NEW THE BROKEN OR DEFECTIVE ELECTRIC LIGHT SWITCH IN THE KITCHEN LOCATED AT APT 2, 3rd STORY (apt 2), issued 2007-06-06. HPD violation 5218425
- Class B: Missing or broken smoke / CO detector, throughout the apartment, 3rd floor. SECTION 27-2046.1, 2046.2 HMC: PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES. IN THE ENTIRE APARTMENT LOCATED AT APT 3, 3rd STORY, 1st APARTMENT FROM NORTH AT EAST (apt 3), issued 2007-06-06. HPD violation 5394686
- Class B: Mice, throughout the apartment, 3rd floor. SECTION 27-2018 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF VERMIN MICE IN THE ENTIRE APARTMENT LOCATED AT APT 3, 3rd STORY, 1st APARTMENT FROM NORTH AT EAST (apt 3), issued 2007-06-06. HPD violation 5394690
- Class B: Roaches, throughout the apartment, 3rd floor. SECTION 27-2018 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF VERMIN ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 2, 3rd STORY (apt 2), issued 2007-06-06. HPD violation 5218437
- Class B: Missing or broken smoke / CO detector, throughout the apartment, 3rd floor. SECTION 27-2046.1, 2046.2 HMC: PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES. IN THE ENTIRE APARTMENT LOCATED AT APT 3, 3rd STORY, APARTMENT AT SOUTH (apt 3), issued 2007-06-06. HPD violation 5856474
311 housing complaints
0 in the last 12 months, 3 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: 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: No bedbug filing on record for this year
- 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
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: 644 FLATBUSH AVENUE LLC. Head officer: AUGUSTUS I MCINTOSH. Managing agent: AUGUSTUS I MCINTOSH MICHEAL. See the full portfolio.
Last HPD registration Sep 19, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.
Tax lot and city IDs
BBL 3050260194, HPD building ID 292854. HPD Online, ACRIS, DOB BIS.
Nearest subway
- Parkside Av (Q), 3 min walk
- Prospect Park (B, Q, S), 6 min walk
- Church Av (B, Q), 10 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 19 open (12 class B, 7 class A). 1 rent-impairing | −45 |
| 311 housing complaints (12 mo) | None | 0 |
| 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.