Your Online Guide for Reuse, Repair, Recycling, and Safe Disposal
Serving Alameda County, Contra Costa County, and the City of Palo Alto

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Wood - Treated

Treated wood is wood treated with a chemical for the purpose of resisting decay. Examples include pressure-treated dimensional lumber, creosote-treated railroad ties, and telephone poles.

Household Hazardous Waste

This item should never be put in a curbside bin. For more information visit our household hazardous waste page.

Pressure treatedpreserved wood, or treated wood waste (including the sawdust), referred to as TWW, has preserving chemicals like arsenic. Common uses of TWW are fence posts, sill plates, landscape timbers, pilings, guardrails, decking, and railroad ties.

TWWDisposal.org has fact sheets and outreach materials on the appropriate handing, disposal, and other management of TWW for facilities that may receive or handle treated wood waste.

Painted, engineered, stained, laquered, plywood/composite, and wood painted with "copper green" wood may go in the garbage. 

 

Vendors

Vendor Address City Destination Disposal Method Notes
Zanker Road Landfill 705 Los Esteros Road
(north of Zanker Road, one mile north of Zanker and Highway 237)
San Jose Safe Disposal Paid Drop-off DTSC variance received 3/11/21. Call first for terms and conditions.

Curbside Service

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