Household Hazardous Waste DropoffHHW Dropoff
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Central Contra Costa Sanitary District Household Hazardous Waste Collection Facility

4797 Imhoff Place, Martinez, CA

Call ahead. Hours, fees, residency rules, appointments and accepted materials change. Check the official page or call before you go. Never mix chemicals, and keep products in their original containers. Open the official source page.

Type
Permanent drop-off
Address
4797 Imhoff Place, Martinez, CA (map pin at street level)
County
Contra Costa County
Hours
Monday–Saturday, 7 a.m.–2 p.m. The reuse room is open Monday–Saturday, 7 a.m.–1:30 p.m. See the district’s hours and directions page for holiday closures. Operations may pause when wildfire-smoke air quality is unhealthy.
Accepted
Other household hazardous waste
The district page describes drop-off of household hazardous waste and points to a separate accepted-items list.
Not accepted
Not listed in our source — check the official page before you go.
Limits
Up to 15 gallons or 125 pounds of hazardous waste per visit, in containers no larger than five gallons.
Appointment
Not required, per the official page
Who can use it
Eligible communities include Alamo, Blackhawk, Clayton, Concord, Clyde, Danville, Lafayette, Martinez, Moraga, Orinda, Pacheco, Pleasant Hill, San Ramon, Walnut Creek, and other central county unincorporated areas in the Central San service area.
Fees
No charge for residents; no appointment needed. Small businesses must schedule an appointment and pay a fee.

Source: Central Contra Costa Sanitary District

Last checked: — Read directly from the official source page on 2026-11-09: confirmed the household hazardous waste service, address, hours, fees, residency/ID rules, quantity limits; other fields not re-checked.

Source and reuse terms: Public government information (facts); linked to the official source page

Report a problem or suggest an edit Opens your email app with this listing's id (ca-martinez-central-contra-costa-sanitary-district-household-hazardous-waste-collection).

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