Building SafetyHousing Conditions
3900 KINGS HIGHWAY
Brooklyn · ZIP 11234 · BIN 3217225 · Flatlands · Last violation Jun 24, 2026 · Last complaint May 11, 2026
NeighborhoodFlatlands
More violations than 90% of nearby buildings
More violations than 90% of buildings and more complaints than 96% of buildings in Flatlands.
Size-normalized against residential buildings in the neighborhood for issues in the last 10 years.
Activity TrendsLast 5 years
More activity recently than in past years
Last 2 yrs: 170 violations · 405 complaints
Severityⓘopen violations
32 immediately hazardous (Class C) violations still open
Class C violations include lead paint, mold, pest infestations, heat/hot water failure, and structural hazards — the most serious category.
What to watch forⓘ
- Hazardous violations are open, including mold and pests, building maintenance, and heat and hot water.Worth checking · AI-assistedⓘLook along the floor and in corners for droppings, dead insects, or signs of rodent activity like gnawed materials. Inspect visible walls, ceilings, and trim for discoloration, soft spots, or mold growth. Ask the broker: are the radiators or heat pipes currently warm to the touch?
details ▸
Deadlines vary by condition: immediate for heat and hot water, 14 days for self-closing doors, 21 days for lead paint, window guards, mold, and mice, cockroaches or rats, and 24 hours for everything else. They run from the date the owner is served, and mark when civil penalties can be sought in Housing Court. They are not a promise the condition is fixed by then. If the owner does not fix it, HPD can send its own contractor and bill them.
- Mold & pests — Rodent, cockroach, bedbug, or other pest infestation and extermination related issues.
- Bldg maintenance — General building repair, upkeep, and maintenance related housing code violations.
Housing Preservation & Development Violations
Total violations since 2007
598
30 per year avg.↑ Up 136% in the last 2 years (170 vs 72 prior 2 yrs)
Open violations
51
Class C (immed. haz.)ⓘ32
Class B (hazardous)ⓘ14
Rent-impairingⓘ1
Housing Preservation & Development Complaints
Total complaints since 2004
923
40 per year avg.↑ Up 400% in the last 2 years (405 vs 81 prior 2 yrs)
Complaint Resolution
No access15%Violation issued23%No violation31%Phone resolved30%Other0%(923)
Urgency breakdown
Last 12 mo.
Maintenanceⓘ77 violations
Extermination & Rodent Eradicationⓘ70 violations
Cleaningⓘ40 violations
Egressⓘ35 violations
Paintingⓘ23 violations
Water Supplyⓘ20 violations
Carbon Monoxide Detecting Devicesⓘ13 violations
Heat And Hot Waterⓘ12 violations