Household hazardous waste facility

South County Hazardous Waste Drop-off

35101 W Valley Hwy S, Algona, WA 98001

Call before you go

We link to where each detail came from. Hours, fees and rules can change, so check with the place before you make the trip.

Plan your visit

Operator: King County Hazardous Waste Management Program
Hours: Monday, Tuesday, Thursday, Friday, 8 a.m. to 4 p.m. (closed Wednesdays) Saturday and Sunday, 9 a.m. to 5 p.m.
Appointments: Not listed
Visit fees: Not listed. Ask about fees before you go.
Who can use it: Residents of King County only. Businesses: Free for King County households (including Seattle); qualifying small businesses by approval.

Official website (opens in new tab)Directions (Google Maps) (opens in new tab)

What it accepts

Items we’ve recorded so far. The operator accepts other materials too; see its own list for everything else.

Batteries

AcceptedFree (documented)

Limit 5 vehicle or marine batteries per load per day.

Paint

Accepted with conditionsFree (documented)

Oil-based paint, strippers and thinners only; containers 5 gallons or less; 50 gallons per household per day. Take latex paint to a PaintCare site.

Where this information comes from

Checked October 26, 2026

King County Hazardous Waste Management Program: Disposal facilities (opens in new tab) · King County Hazardous Waste Management Program
- King County residents can take household hazardous waste to any collection site or the Wastemobile with no appointment and no fee. Checked October 26, 2026.
- South County Hazardous Waste Drop-off: 35101 W Valley Hwy S, 98001; open Monday, Tuesday, Thursday, Friday, 8 a.m. to 4 p.m. (closed Wednesdays) Saturday and Sunday, 9 a.m. to 5 p.m. Checked October 26, 2026.
King County: Paint recycling (opens in new tab) · King County Solid Waste Division
- Residential customers can dispose of oil-based paints, paint strippers and thinners at King County hazardous waste locations. Checked October 26, 2026.
Guide to King County recycling and transfer facilities 2026 (PDF) (opens in new tab) · King County Solid Waste Division
- Vehicle, marine, rechargeable and button batteries are accepted at the Factoria and South County hazardous waste drop-offs only; 5 vehicle/marine batteries per load per day; $0. Checked October 26, 2026.
- Oil-based paint is accepted at the Factoria and South County hazardous waste drop-offs only; containers 5 gallons or less; 50 gallons a day per household; $0. Checked October 26, 2026.
- Oil-based paint is $0 at the hazardous waste drop-off facilities. Checked October 26, 2026.
Seattle Public Utilities: Where to Dispose of Household Hazardous Waste (opens in new tab) · Seattle Public Utilities
- Seattle's two household hazardous waste facilities are free for all King County residents; no appointment needed. Checked October 26, 2026.

“Checked” means we read the official page on that date. Things can change, so call before you go.

How we check our information

Listing this place doesn’t mean we partner with it.