County transfer / HHW facility

Sonoma County Household Hazardous Waste Facility

Official drop-off for San Francisco, CA. City dispose pages own the rule for each item. This page is the place: address, hours, and the originating program. Confirm before you go.

Address: 500 Mecham Road Building 5, Petaluma, CA 94952

Hours: Thu–Sat 7:30–14:30

Phone: 707-795-2025

ZIP: 94952

Official source: sonomacounty.gov/development-services/sonoma-public-infrastructu

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Sonoma County Household Hazardous Waste Facility and nearby drop-offs

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Materials often accepted

Tied to this site’s listing — still confirm on the official source. Each link is the San Francisco city rule, not a national guess.

Other drop-offs within 40 miles

Common questions

When is Sonoma County Household Hazardous Waste Facility open?

Listed hours: Thu–Sat 7:30–14:30. Confirm on the official source before you drive — holiday and event hours change.

Is there a phone number for Sonoma County Household Hazardous Waste Facility?

Call 707-795-2025 for load rules, residency, and whether you need an appointment.

What can I drop off at Sonoma County Household Hazardous Waste Facility?

This site is listed for Latex Paint, Oil-Based Paint, Pesticides, Herbicides, Motor Oil, Antifreeze, Car Battery, Household Batteries, Lithium-Ion Battery, Fluorescent Bulbs / CFLs, Propane Tank, Gasoline, Pool Chemicals, Cooking Oil, Medical Sharps, Television, Computer Monitor, Laptop, Desktop Computer, Printer, Tablet, Smartphone, Hard Drive, Mixed E-Waste, Ink / Toner Cartridges. Acceptance still depends on the official program — not this list alone.

Do I need to live in San Francisco to use Sonoma County Household Hazardous Waste Facility?

Many municipal dumps and HHW sites are resident-only or appointment-only. Check the official San Francisco, CA program page before you load the vehicle.

Where is the official listing for Sonoma County Household Hazardous Waste Facility?

DumpRegistry cites the originating program. Confirm hours and fees on that official page, not a third-party directory.

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