What Boulder County itself runs: 3 landfills, sites and programs covering 13 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
Boulder County site at 286 Ridge Road, Nederland, CO 80466 (unincorporated Boulder County). Hours: Sun–Tue and Thu–Sat 8 a.m.–4 p.m.; closed Wednesday.
Western Disposal Services (63rd St.) at 2051 63rd St. in Boulder, named on Boulder County's drop-off list. The county page gives no ZIP code; check hours and fees with the operator before you go.
Boulder County Hazardous Materials Management Facility (HMMF)
Boulder County site at 1901 63rd St, Boulder, CO 80301 (unincorporated Boulder County). Hours: Wednesday–Saturday, 8:30 a.m.–4 p.m. Tuesday: business waste by appointment only.
Boulder County lists the Western Disposal 63rd Street site as accepting mattresses, electronics, tires, scrap metal and appliances, among others. Checked October 26, 2026.
Residential drop-off at the HMMF is year-round Wednesday–Saturday 8:30 a.m.–4 p.m. and free of charge to all Longmont residents. Checked October 26, 2026.
Proof of Boulder County residency is required (e.g. driver’s license, vehicle registration, utility bill). Checked October 26, 2026.
The HMMF accepts waste from residents and businesses of Boulder County, the City and County of Broomfield and the Town of Erie. Checked October 26, 2026.
Residential waste from outside the HMMF service area is charged a $50 out-of-county fee. Checked October 26, 2026.
Paint accepted: lacquers and stains, latex (water-based) paint, model airplane paints, oil-based (alkyd) paints, paint remover, thinners and varnishes. Checked October 26, 2026.
Liquids in a 5-gallon bucket need 1 inch of space below the brim; containers larger than 5 gallons are not accepted. Checked October 26, 2026.
Dried-out latex paint goes in the trash. Checked October 26, 2026.
All alkaline, rechargeable and button-cell batteries are accepted, including lead-acid (auto), lithium-ion, lithium primary, Li-Po, Ni-Cd and Ni-MH. Checked October 26, 2026.
Tape the terminals of all rechargeable, lithium and larger-than-9-volt batteries with clear packaging tape. Checked October 26, 2026.
Appliances, with or without Freon, are not accepted at the HMMF. Checked October 26, 2026.
Computers and electronic equipment are not accepted at the HMMF. Checked October 26, 2026.
“Checked” means we read the official page on that date. Things can change, so call before you go.