CWCountyWikiIndependent guide to local services
California

We remember your state on this device to show its pages first.

All states →
California · find a service

Household hazardous waste disposal in California

Household hazardous waste disposal.

Compare other states →

In California, 44 county departments, 11 public authorities, 7 city governments and 1 special district publish 67 official links for this service. Reviewed requirements cover availability notices (57), appointments (26), eligibility (24) and documents (10). 53 counties have a page for it below.

Before you start · 2 things to check
  • Use the collection service for your address; a county listing does not establish a pickup day.
  • Check holiday notices and accepted materials with the provider before setting out bins or visiting a facility.

1 guide with reviewed service links · San Luis Obispo

Clear filters
Choose a county on the map

Highlighted counties have a reviewed service guide matching this selection. An agency may serve only a city or part of a county.

California58 counties
California county mapChoose a county to open its directory. Use the county search and list for smaller counties.Alameda County: open directoryAlpine County: open directoryAmador County: open directoryButte County: open directoryCalaveras County: open directoryColusa County: open directoryContra Costa County: open directoryDel Norte County: open directoryEl Dorado County: open directoryFresno County: open directoryGlenn County: open directoryHumboldt County: open directoryImperial County: open directoryInyo County: open directoryKern County: open directoryKings County: open directoryLake County: open directoryLassen County: open directoryLos Angeles County: open directoryMadera County: open directoryMarin County: open directoryMariposa County: open directoryMendocino County: open directoryMerced County: open directoryModoc County: open directoryMono County: open directoryMonterey County: open directoryNapa County: open directoryNevada County: open directoryOrange County: open directoryPlacer County: open directoryPlumas County: open directoryRiverside County: open directorySacramento County: open directorySan Benito County: open directorySan Bernardino County: open directorySan Diego County: open directorySan Francisco County: open directorySan Joaquin County: open directorySan Luis Obispo County: open directorySan Mateo County: open directorySanta Barbara County: open directorySanta Clara County: open directorySanta Cruz County: open directoryShasta County: open directorySierra County: open directorySiskiyou County: open directorySolano County: open directorySonoma County: open directoryStanislaus County: open directorySutter County: open directoryTehama County: open directoryTrinity County: open directoryTulare County: open directoryTuolumne County: open directoryVentura County: open directoryYolo County: open directoryYuba County: open directory
County directory Reviewed service guides available
Map for browsing; agency service areas may differ.
Map source

U.S. Census boundaries via U.S. Atlas · 2017 edition, simplified for display.

County government · San Luis Obispo

Environmental Health — County HHW Resources

Household Hazardous Waste

HHW receiving sites — current facility hours and restrictions (opens in a new tab)Official instructions

Official county referral to IWMA receiving facilities. Check each site’s HHW hours rather than general landfill hours.

Cold Canyon HHW and e-waste

Cold Canyon HHW/e-waste receiving: Monday, Tuesday, Thursday, Friday and Saturday 8 am–3 pm.

Official information checked October 15, 2026 · Details & sources

Source checked October 15, 2026

County / official waste program · Household Hazardous Waste Disposal Information - County of San Luis Obispo (opens in a new tab)

Waste service — HHW receiving sites — current facility hours and restrictions

This program is implemented by the San Luis Obispo County Integrated Waste Management Authority.

Saved evidence: c0241705486af4cb · Agent source review

Full guide, contact details & sources →

Household hazardous waste disposal by county