Located at the Central Disposal Site, the Household Hazardous Waste (HHW) Facility is open every week for free drop-off of hazardous waste from Sonoma County residents. To help you determine what is considered HHW, visit this page for a list of common types of HHW found in the home. Bring your ID to prove residency.
Appointment: Not required
Hours: Thursday, Friday & Saturday, 7:30A -2:30P
Location: Central Disposal Site (Bldg. 5), 500 Mecham Rd., Petaluma
Contact: 707-795-2025, toll-free at 877-747-1870, or email toxicsdisposal@cleanharbors.com.
Please note that the HHW Facility will be closed December 17, 2023 to January 1, 2024.
Facility is also closed on the following holidays:
- New Years Day
- July 4th
- Labor Day
- Thanksgiving Day
- Christmas Day