County government
Environmental Resources — Household Hazardous Waste
Stanislaus County household HHW disposal. Qualified small businesses use a separate approval and Wednesday appointment process.
Household hazardous-waste facility — resident drop-off and business appointments (opens in a new tab)Official instructions
Resident HHW drop-off Friday/Saturday 8 am–noon, with dated holiday closures. Business and reuse-pickup hours differ.
- Availability · Business deliveries
- The facility does not accept VSQG business waste on Friday/Saturday.
Source & saved evidence
Waste service — Business deliveries
HHW facility will not accept wastes from VSQG businesses on Fridays and Saturdays.
Agent source review: October 15, 2026 · Snapshot
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Before you start · 1 requirement & conditions
- Appointments · Very small quantity generator businesses
- Eligible VSQG businesses may use Wednesday appointments only. Household Friday/Saturday hours do not apply to business deliveries.
Source & saved evidence
Waste service — Very small quantity generator businesses
If you are a business generating Hazardous Waste up to 220 pounds and classified as a Very Small Quantity Generator, you are only allowed to bring the wastes on Wednesdays by appointment-only.
Agent source review: October 15, 2026 · Snapshot
ffab90627d87b003
Source & saved evidence
Waste service — Household hazardous-waste facility — resident drop-off and business appointments
The Stanislaus County Household Hazardous Waste Facility is open to households on Friday and Saturdays from 8:00 a.m. to 12:00 p.m.
Agent source review: October 15, 2026 · Snapshot ffab90627d87b003