307 Martense Street

307 Martense Street in East Flatbush, Brooklyn, has 74 open HPD violations, 17 of them class C, and 27 of 27 units are rent-stabilized, as of Oct 24, 2026. StreetSpy grade: F (29/100).

Multi-family walk-up · 27 units · Built 1922

StreetSpy grade: F (Severe, 29/100)

• 17 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• 2 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a.
• 19 heat or hot water complaints to 311 in the last 12 months.
• 27 of 27 units are rent-stabilized.

More open violations per unit than 8 in 10 Brooklyn buildings this size.

• Repairs: High (74 open, 17 class C), records as of Oct 24, 2026
• Heat and hot water: 19 complaints, 12 mo, records as of Oct 23, 2026
• Pests: Clear (Owner reported none, 3 yr), records as of Oct 26, 2026
• Safety: Clear (1 open DOB violation), records as of Oct 23, 2026
• Registration: Renewal not yet in city data, records as of Oct 3, 2026

How the grade works

Housing code violations (HPD)

74 open violations: 17 class C (immediately hazardous), 40 class B, 17 class A. 15 issued in the last 12 months. 189 on record. Oldest open violation issued 2012-09-04. Newest violation issued 2026-03-17.

3 closed in the last 90 days. Median 111 days from issue to close for the 17 violations closed in the last 12 months.

2 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: Mice, throughout the apartment, 2nd floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT B1, 2nd STORY, 3rd APARTMENT FROM WEST AT NORTH (apt B1), issued 2026-03-17. HPD violation 18714765
• Class C: Mice, throughout the apartment, 2nd floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT B1, 2nd STORY, 3rd APARTMENT FROM EAST AT SOUTH (apt B1), issued 2025-08-22. HPD violation 18177203
• Class C: Roaches, throughout the apartment, 2nd floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT B1, 2nd STORY, 3rd APARTMENT FROM EAST AT SOUTH (apt B1), issued 2025-08-22. HPD violation 18177202
• Class C: Lead paint hazard, 1st room from the east, 2nd floor. - CORRECT THE LEAD-BASED PAINT HAZARD - PRESUMED LEAD PAINT THAT IS PEELING OR ON A DETERIORATED SUBSURFACE USING WORK PRACTICES SET FORTH IN 28 RCNY §11-06(B)(2) WEST WALL IN THE 1st ROOM FROM EAST AT SOUTH LOCATED AT APT B1, 2nd STORY, 3rd APARTMENT FROM EAST AT SOUTH (apt B1), issued 2025-07-14. HPD violation 18092291
• Class C: Lead paint hazard, 2nd room from the east, 2nd floor. - CORRECT THE LEAD-BASED PAINT HAZARD - PRESUMED LEAD PAINT THAT IS PEELING OR ON A DETERIORATED SUBSURFACE USING WORK PRACTICES SET FORTH IN 28 RCNY §11-06(B)(2) CEILING IN THE 2nd ROOM FROM EAST AT NORTH LOCATED AT APT B1, 2nd STORY, 3rd APARTMENT FROM EAST AT SOUTH (apt B1), issued 2025-07-14. HPD violation 18092290
• Class C: Lead paint hazard, 2nd room from the east, 2nd floor. - CORRECT THE LEAD-BASED PAINT HAZARD - PRESUMED LEAD PAINT THAT IS PEELING OR ON A DETERIORATED SUBSURFACE USING WORK PRACTICES SET FORTH IN 28 RCNY §11-06(B)(2) CEILING IN THE 2nd ROOM FROM EAST LOCATED AT APT B1, 2nd STORY, 3rd APARTMENT FROM EAST AT SOUTH (apt B1), issued 2025-07-14. HPD violation 18092292
• Class C: Roaches, throughout the apartment, 4th floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT D1, 4th STORY, 3rd APARTMENT FROM EAST AT SOUTH (apt D1), issued 2024-08-08. HPD violation 17174842
• Class C: Lead paint hazard. - CORRECT FAILURE TO NOTIFY OCCUPANTS AND/OR TO INVESTIGATE LEAD-BASED PAINT HAZARDS., issued 2024-07-10. HPD violation 17112587

311 housing complaints

20 in the last 12 months, 89 in 5 years. Most common: Heat/Hot Water (19), Unsanitary Condition (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: 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 1 infested, 1 treated, 0 re-infested

Buildings department (DOB)

1 open DOB violation, a Local Law violation issued before 2000. 3 DOB violations on record. Check on DOB BIS.

Evictions and housing court

2 executed evictions in the last 3 years (3 on record). 0 open HPD cases; 0 harassment findings.

Rent stabilization

27 of 27 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: 27 in 2024, 27 in 2007. Source: DOF tax bills for 2007 and 2024; years with no bill on file are left out.

Owner and management

Owner: Ditmas Park 307, LLC. Head officer: Scott Silverman. Managing agent: Bronstein Properties LLC. This owner has 84 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 3048680079, HPD building ID 333396. HPD Online, ACRIS, DOB BIS.

Nearest subway

• Church Av (2, 5), 2 min walk
• Winthrop St (2, 5), 7 min walk
• Beverly Rd (2, 5), 10 min walk

How the grade is calculated

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.