What San Luis Obispo County itself runs: 2 landfills, sites and programs covering 9 items. If your town doesn’t have its own page, these are usually the places to start.
Checked October 26, 2026 · Call before you go · How we check
Cold Canyon Landfill Household Hazardous Waste, E-Waste and Mattress Drop-Off (SLO County IWMA)
IWMA household hazardous waste and e-waste drop-off at Cold Canyon Landfill, 2268 Carpenter Canyon Road, San Luis Obispo, CA 93401; Monday, Tuesday, Thursday, Friday and Saturday 8 a.m.–3 p.m.; (805) 549-8332. Free for SLO County residents up to 15 gallons or 125 pounds per visit. The landfill also takes mattresses and box springs free (up to three per resident); a safety vest is required for e-waste drop-off.
SLO County residents may drop off up to 15 gallons or 125 pounds of hazardous waste per visit at no cost; HHW and e-waste are accepted for residential drop-off. Checked October 26, 2026.
Accepted universal waste includes batteries and paint; e-waste includes computers, TVs and microwaves. Checked October 26, 2026.
E-waste accepted at the HHW facilities includes TVs and small appliances such as microwaves; stoves, refrigerators and freezers are not accepted. Checked October 26, 2026.
PaintCare lists Habitat ReStore San Luis Obispo County at 2790 Broad St, San Luis Obispo 93401 as a paint drop-off site (Households and VSQG Businesses in California). Checked October 26, 2026.
Habitat for Humanity for San Luis Obispo County runs a ReStore at 2790 Broad Street, San Luis Obispo 93401; ReStores are donation centers that sell gently used furniture. Checked October 26, 2026.
“Checked” means we read the official page on that date. Things can change, so call before you go.