Skip to main content
Side view of metal barrels

Disposal options for businesses

We help eligible King County businesses access resources to safely dispose of hazardous waste. Find a convenient disposal location, visit the traveling Wastemobile, or list surplus items on the Industrial Materials Exchange (IMEX). These disposal services are provided at no additional fee.

Icon of two buildings
No-fee disposal for eligible businesses

Your business may receive no-fee hazardous waste disposal up to four times a year if it is an eligible business.

Learn about eligibility

Disposal locations

Hazardous waste is accepted from eligible businesses at our four collection sites and travelling Wastemobile.

Find a disposal location

IMEX logo
Get started on IMEX

IMEX is a free listing service that helps your business locate useful materials or give away surplus materials and hazardous products.

Get started on IMEX


Visit our product list for businesses to find out what types of hazardous waste we accept. If your business exceeds the noted limits, it may require disposal service via a private hazardous waste management firm. We can help! For questions or more information, call 206-296-4692.


Does my business qualify for no-fee disposal?

Your business may receive no-fee hazardous waste disposal up to four times a year if it is an eligible business. 

To qualify, your business must:

Be located in King County



less than 220 lbs (about 25 gallons) of hazardous waste per month



less than 2.2 lbs (about a quart) of acutely hazardous waste per month



less than 2,200 lbs (about four 55-gallons drums) of hazardous waste


This program is for King County businesses that generate less than 220 lbs of hazardous waste monthly and less than 2.2 lbs of certain Extremely Hazardous Wastes, and are Conditionally Exempt Small Quantity of Generators under Washington State Department of Ecology Dangerous Waste Regulations (WAC 173-303).

Man wearing safety vest and hard hat stands in front of barrel containers

5 steps to safe disposal

step 1

Gather the items:

If the label includes the words danger, poison, warning, or caution, it's hazardous waste.

Check this list of items we accept.

step 2

Find a Disposal location:

With four facilities and a traveling Wastemobile, you've got options.

Find a drop off location
step 3

Complete the Business Disposal form:

We just need some quick info. Complete the form online or download the PDF prior to drop off. Print two copies and bring them with you to the designated drop-off location.  DOWNLOAD PDF

Complete online form
step 4

Prep for disposal:

Keep items in their original containers, label products that are not marked, and do not mix different types of waste. Secure items so they won’t tip or leak and store products away from the passenger compartment of your vehicle. 

step 5

Drop off:

Bring your items to a disposal facility. There’s no fee, since the service is already funded through your utility bill.

Hazardous Waste Disposal Locations

  • North Seattle
    Sunday – Tuesday

    12550 Stone Ave N Seattle, WA 98133
    9 a.m. - 5 p.m.

    Closed on July 4, Thanksgiving Day, Christmas Day, and New Year's Day.

  • South Seattle
    Thursday – Saturday

    8100 2nd Ave S Seattle, WA 98108
    9 a.m. - 5 p.m.

    Located next to the transfer station.
    Closed on July 4, Thanksgiving Day, Christmas Day, and New Year's Day.

  • Factoria
    Tuesday – Friday, Saturday and Sunday

    13800 SE 32nd St. Bellevue, WA 98005
    8 a.m. – 4 p.m. (Tues-Fri), 9 a.m. – 5 p.m. (Sat-Sun)

    The Factoria facility is located at the transfer station. Closed on Thanksgiving Day, Christmas Day, and New Years Day.

  • Auburn
    Saturday – Sunday

    1101 Outlet Collection Way, Auburn, WA 98001
    10 a.m. – 5 p.m.

    The Auburn Wastemobile location is open on weekends, year-round. Marine flares are not accepted at this location.
    Located near the loading dock of Nordstrom Rack. In 2024, this location is closed Nov. 30, Dec. 1 and Dec. 28-29.

Questions? Get in touch

Small businesses can call the Haz Waste Help Line for information on how to properly dispose of hazardous waste, including waste that isn't accepted at drop-off facilities.

*Interpreters available by request.


Monday - Saturday from 9 a.m. - 5 p.m. (except holidays)

Haz Waste Help Line
206-296-4692*  |  TTY Relay: 711


Stay Connected

Sign up for the latest news and information about our services