645 Mac Donough Street
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
Top insights
- More open HPD violations than ~96% of buildings in this ZIP (109 open)
- 23 open hazardous (Class C) violations
- Built before 1939 (city records: 1908) — likely subject to NYC lead-paint rules
- Rent-stabilized: 12 of 12 units
About this building
The building’s floor space is 3.6 times the size of its lot: 12,800 sq ft of building on a 3,560 sq ft lot.
Comparisons with neighboring buildings, as of October 28, 2026.
645 Mac Donough Street
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- City records show 109 open HPD violations, 23 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 2000 — why has it stayed open this long, and is it in or near this unit?
- DHCR’s most recent registration lists 12 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: Replace or repair the self-closing doors that is missing or defective hinges at bulkhead….
- 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.
645 Mac Donough Street sits in Brooklyn, ZIP 11233. The closest subway is Halsey St (J) (5-minute walk), served by the C, J, and Z lines.
Building Condition
Oldest open violation: May 2000 · Most recent: September 2025. 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.
- 2025-09-19
- 2024-12-23
- 2024-12-23
- 2024-12-03
- 2024-12-03
- 2024-12-03
- 2024-10-10
- 2022-12-24
- 2022-12-24
- 2022-11-23
- Class C · 23 open · penalty 345 · (15/ea)
- Class B · 60 open · penalty 300 · (5/ea)
- Class A · 26 open · penalty 26 · (1/ea)
- 2026-03-05 · Apt 8 · EMERGENCY · HEAT/HOT WATER
- 2026-03-05 · Apt 8 · NON EMERGENCY · GENERAL
- 2026-03-05 · Apt 8 · NON EMERGENCY · GENERAL
- 2023-05-12
- 2018-04-06 "VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2016 INSPECTION REPORT"
- 2011-12-13 "VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2010 INSPECTION REPORT"
- 2005-01-31
4 open lead-paint hazard violations on record (most recent 2024). These are HPD violations recorded against the building — not a test of any specific apartment.
24 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 1908). 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: 2 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
- PETIT LARCENY: 60
- HARRASSMENT 2: 37
- CRIMINAL MISCHIEF & RELATED OF: 35
- ASSAULT 3 & RELATED OFFENSES: 35
- VEHICLE AND TRAFFIC LAWS: 26
- Illegal Parking: 48
- Noise - Residential: 33
- HEAT/HOT WATER: 24
- Sewer: 22
- UNSANITARY CONDITION: 20
- 865 HANCOCK STREET
- 199 HOWARD AVE
- 79 SARATOGA AVE
- P.S. 005 Dr. Ronald McNair
- P.S./I.S. 137 Rachel Jean Mitchell
- P.S. 028 The Warren Prep Academy
- I.S. 271 John M. Coleman
- Excellence Boys Charter School
- Mott Hall IV
- Brooklyn High School for Law and Technology
- Eagle Academy for Young Men II
- Halsey St
- Ralph Av
- Gates Av
- Grade A
- Grade A
- Grade A
- Grade A
- Grade A
- Grade A
- Grade A
- Grade A
- Saratoga Library
- P.s. 137 Rachel Jean Mitchell
- Brevoort Playground
- Umoja Garden
- Carver Playground
- Welcome Home Garden
Internet providers serving this area
Internet providers available in this area:
- Optimum Cable Up to 940 Mbps down · 35 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.
Market & Availability
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