307 Martense Street
Top insights
- More open HPD violations than ~62% of buildings in this ZIP (74 open)
- 17 open hazardous (Class C) violations
- Built before 1939 (1922) — likely subject to NYC lead-paint rules
- Rent-stabilized: 27 of 27 units
Class B
Class C
12 months to Aug 2026
rent-stabilized with
DHCR (most recent year)
units (PLUTO)
12 months through June 2026
rent
min walk
(311 complaints)
errands grade
nearby
307 Martense Street
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- City records show 74 open HPD violations, 17 immediately hazardous (Class C) at this building. Ask which are still unresolved in the unit and the landlord’s timeline to clear them.
- The oldest open violation on record dates to 2012 — why has it stayed open this long, and is it in or near this unit?
- DHCR’s most recent registration lists 27 rent-stabilized units here. Ask whether this specific unit is one of them, and ask the landlord for its legal regulated rent and lease history.
- Confirm the condition behind the most recent open violation was actually repaired, not just marked closed: Abate the infestation consisting of mice in the entire apartment.
- Confirm in person that the immediately-hazardous (Class C) conditions — typically heat, hot water, leaks, mold or pests — are genuinely fixed, not just marked closed.
307 Martense Street sits in Brooklyn, ZIP 11226. The closest subway is Church Av (2,5) (2-minute walk), served by the 2 and 5 lines.
Building Condition
Oldest open violation: September 2012 · Most recent: March 2026. HPD marks a violation open until it is certified as corrected, so an old date can mean an unresolved condition or a repair that was never certified.
- 2026-03-16 "§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE BASE CABINET COUNTER TOP AT NORTH WALL…"
- 2026-03-16 "HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT B1, 2nd STORY,…"
- 2025-09-18 "§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR EAST WALL IN THE 1st R…"
- 2025-08-21 "§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE DETERIORATED GROUT ON CERAMIC TILES AT…"
- 2025-08-21 "§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR THE CEILING IN THE KIT…"
- 2026-03-16
- 2025-08-21
- 2025-08-21
- 2024-08-05
- 2024-05-18
- Class C · 17 open · penalty 255 · (15/ea)
- Class B · 40 open · penalty 200 · (5/ea)
- Class A · 17 open · penalty 17 · (1/ea)
- 2026-03-15 · Apt B1 · EMERGENCY · APPLIANCE
- 2026-03-15 · Apt B1 · NON EMERGENCY · UNSANITARY CONDITION
- 2026-03-15 · Apt B1 · EMERGENCY · HEAT/HOT WATER
- 2022-12-08
- 2019-11-08 "VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2017 INSPECTION REPORT"
- 2016-12-28 "FAILURE TO CERTIFY CORRECTION ON IMMEDIATELY HAZARDOUS (CLASS 1) ECB VIOLATION"
- 2008-01-03
3 open lead-paint hazard violations on record (most recent 2025). These are HPD violations recorded against the building — not a test of any specific apartment.
21 earlier hazards cited and remediated.
Under NYC Local Law 1 (Admin Code §27-2056.5), lead paint is presumed present in common areas and in apartments where a child under 6 resides, in multiple dwellings built before 1960 (this building: built 1922). The presumption stands unless the owner obtained a lead-free or lead-safe exemption from HPD. Those exemption records aren’t published as open data, so we can’t confirm one either way.
Also on record: 8 procedural §27-2056 violations (failure to file required lead paperwork, most recent 2024) — a records failure, not evidence of a lead hazard.
The Building
Neighborhood & Environment
~1 block 300m
~2-3 blocks
- HARRASSMENT 2: 202
- OTHER OFFENSES RELATED TO THEFT: 112
- ASSAULT 3 & RELATED OFFENSES: 105
- PETIT LARCENY: 100
- VEHICLE AND TRAFFIC LAWS: 83
- HEAT/HOT WATER: 498
- Illegal Parking: 308
- Noise - Street/Sidewalk: 223
- Noise - Residential: 182
- Blocked Driveway: 86
- 1424 NOSTRAND AVE
- 1431 NOSTRAND AVE
- 1435 NOSTRAND AVE
- P.S. 181 Brooklyn
- P.S. 399 Stanley Eugene Clark
- P.S. K141
- P.S. 181 Brooklyn
- P.S. K141
- Explore Charter School
- P.S. K141
- Fahari Academy Charter School
- Achievement First Voyager Charter School
- Church Av
- Winthrop St
- Beverly Rd
- Grade A
- Grade A
- Grade A
- Grade A
- Grade A
- Grade A
- Grade A
- Grade A
- Suny Downstate Health Sciences Univ.
- Kareful And Karefree Training School
- Gotham Career Institute Center For W
- 67th Precinct Off-Street Parking
- Rolph Henry Playground
- Success Academy Charter School Ditmas Park Middle School
Internet providers serving this area
Internet providers available in this area — including fiber:
- Optimum Cable Fiber Up to 8,000 Mbps down · 8,000 Mbps up
- Verizon Fiber Up to 980 Mbps down · 880 Mbps up
How to check internet providers before signing an NYC lease →
Source: FCC Broadband Data Collection (NY, rev. May 2026). Wired broadband only — cable + fiber. DSL, satellite, and fixed-wireless not included. Block-level data; actual availability may vary by building.
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