California
Household hazardous waste drop-off
Petaluma household hazardous waste drop-off
Hours, sticker price, who can use it, item fees, hazardous waste options, and holiday notes for Sonoma County Household Hazardous Waste Facility.
Not a household-trash drop-off. This page covers only the specifically listed recycling, compost, hazardous or specialty materials. Check the accepted materials before loading your vehicle.
Last verified from official sources: 2026-11-09
Who can use it
Sonoma County residents, free. Bring your ID to prove residency. No appointment needed. Very small quantity generator businesses have a separate program. Toll-free 877-747-1870 or toxicsdisposal@cleanharbors.com.
Hours
- Thursday, Friday and Saturday 7:30 a.m.-2:30 p.m.
- Closed Sunday-Wednesday
Sticker or permit
Required: No (see notes)
Price: No separate sticker price was established on the linked page; the eligibility and item fees below still apply.
Where to buy: Contact the facility about access requirements before loading.
Per-item fees
| Item | Fee |
|---|---|
| Household hazardous waste (residents) | Free |
| Reuse locker products and blended recycled latex paint | Free, first come, first served |
Hazardous waste
This is the county's permanent HHW drop-off. Every Tuesday 4-8 p.m. there is an appointment-only collection event somewhere in the county, and the HHW Rover picks up at homes by region on Wednesdays.
Holiday closures
Closed December 20, 2026 to January 4, 2027, and on New Year's Day, July 4th, Labor Day, Thanksgiving Day and Christmas Day.
Holiday schedule last verified 2026-11-09 from official sources .
Other notes
- State law limits each vehicle to 15 gallons of liquid (5 gallons max per container) or 125 pounds of solids, measured by container size.
- Never mix chemicals; pack sealed containers in the trunk to prevent spills; sharps must be in a sealed, labeled approved container.
- Not accepted: explosives or ammunition, radioactive materials, biological or medical waste (except syringes), controlled substances, electronics, compressed gas cylinders (20-lb BBQ and 1-lb propane cylinders okay), pressure treated wood.
- Dumping hazardous waste at the facility is illegal (Penal Code 374.8(b)), with fines up to $10,000.
Nearby California towns
Sources
Every fee and hour above was taken from these official pages or PDFs on 2026-11-09. If something conflicts, trust the town.