South Seattle Hazardous Waste Facility

A free King County hazardous waste drop-off by Seattle’s South Transfer Station, separate from the station itself.

South Seattle Hazardous Waste Facility, at 8100 2nd Avenue South, is one of two household hazardous waste sites Seattle Public Utilities runs for the King County Hazardous Waste Management Program. Its hours are Thursday to Saturday, 9 a.m. to 5 p.m., for any King County resident, free and with no appointment.

Serves: King County trash pickup and drop-off rules.

About this site

The county lists the facility at 8100 2nd Avenue South, “located next to the transfer station”. Seattle Public Utilities’ South Transfer Station page gives 8105 5th Ave S, “across the street from the South Transfer Station”. The South Transfer Station itself, at 130 South Kenyon Street, does not take household hazardous waste.
The facility closes on July 4, Thanksgiving Day, Christmas Day and New Year’s Day.

Rules at every King County hazardous waste site

The program runs four collection sites (North Seattle, South Seattle, Factoria in Bellevue and Algona) and the traveling Wastemobile, all free for King County residents with no appointment. The accepted list and the quantity limits are the same at every site; the county’s disposal facilities page ↗ has them.

Type: Household hazardous waste site
State: Washington
City: King County
Address: 8100 2nd Ave S, Seattle, WA 98108
Hours: Thursday to Saturday, 9 a.m. to 5 p.m.; closed July 4, Thanksgiving, Christmas and New Year's Day
Who can use it: Any King County resident, with no appointment
Fees: Free
Takes: Household hazardous waste: cleaners, pesticides, oil-based paint, thinners, antifreeze, motor oil, gasoline, batteries, fluorescent lights and propane tanks
Run by: King County Hazardous Waste Management Program
Phone: 206-296-4692
Official website: kingcounty.gov
Primary source: kingcounty.gov
Last verified: September 23, 2026

Questions

Where is South Seattle Hazardous Waste Facility?

By Seattle’s South Transfer Station: the county gives 8100 2nd Avenue South, Seattle, WA 98108, and Seattle Public Utilities’ station page gives 8105 5th Ave S, across the street from the station.

Is South Seattle Hazardous Waste Facility the same as the South Transfer Station?

No. They are separate facilities; Seattle Public Utilities says its transfer stations do not accept household hazardous waste.

Where else can I go on the days South Seattle Hazardous Waste Facility is closed?

To the North Seattle facility on Stone Avenue North, or the drop-offs at the Factoria Recycling & Transfer Station in Bellevue and the South County Recycling & Transfer Station in Algona, each with its own days.

Sources

King County Hazardous Waste Management Program: Disposal facilities, no date shown: address, hours, “located next to the transfer station”, holiday closures, the four sites.
Seattle Public Utilities: Where to Dispose of Household Hazardous Waste, no date shown: the two Seattle facilities, separate from the transfer stations.
Seattle Public Utilities: South Transfer Station, no date shown: 8105 5th Ave S, across the street from the station at 130 South Kenyon Street.

Sources and corrections

Every site’s address, hours, fees and rules come from the official page of the city, county or authority that runs it, linked at the foot of the site’s page. Spotted a change? Report a correction.