No countywide HHW depot
Maricopa County, AZ household hazardous waste
Maricopa County solid waste — no general HHW depot. This page is the suburban / county program for the Phoenix metro — not a “near me” material hub and not the city dispose page.
Incorporated cities run their own HHW. Unincorporated areas use private service, not a county HHW plant.
Phoenix solid-waste customers use the city’s HHW home collection (limits apply). Mesa and other cities have their own sites.
Where: County transfer stations are not a general HHW depot. They may take a small amount of used oil and antifreeze only.
How to use it: Use your city’s HHW program or a private hazardous-waste service. Confirm oil/antifreeze limits at a county transfer station before you go.
Cost: Do not assume free county drop-off. Confirm on your city program. We do not invent fees.
Typically accepted: City programs vary. Phoenix is home collection for eligible solid-waste customers.
Typically refused: Batteries, paint, and mixed HHW are prohibited at county disposal facilities.
Pesticides, herbicides, pool chemicals, and gasoline belong on this county program when the official list says so — they are not a second city bulky day.
Official source: · Verified 2026-08-13