Mold & Mildew Cleanup in Tukwila, WA

I rent in Tukwila. Who deals with mildew in my unit?

Most Tukwila households rent; the Census puts the owner-occupied rate at about 40 percent. Under Washington's landlord-tenant law, landlords must keep the unit reasonably weathertight, fix building problems such as leaks and broken fans, and give tenants DOH-approved information about mold. Tenants are asked to run heat and ventilation to limit condensation. If a leak or moisture problem is behind the growth, tell the landlord in writing. Tukwila requires rentals to hold an annual license and pass unit inspections, and its Rental Housing Licensing Program lets tenants with living-condition concerns request a courtesy city inspection. The program's page also links to mold resources. This is general information, not legal advice.

What can I safely clean myself?

Surface mildew on tile, grout, glass, painted trim and window frames is usually fine to tackle if the patch is smaller than about 10 square feet. Scrub with detergent and water and dry it fully, wearing gloves and eye protection. Replace stained caulk, and don't paint over growth, which EPA says tends to peel. Leave it to a professional if drywall is soft or stained through, if growth is spreading across a ceiling, or if one spot keeps returning.

Does the 2025 levee breach matter for my building?

The Desimone Levee on the Green River in Tukwila breached on December 15, 2025, during repeated atmospheric river storms. The evacuation covered the part of the city south of S 180th Street and west of West Valley Highway, a mostly industrial and business area. Any building that took on water and couldn't be dried within 24 to 48 hours should be treated as having mold, per EPA, and that is removal work rather than mildew cleanup.

Repairs and permits

If cleanup turns up damaged drywall, subfloor or framing, the City of Tukwila Permit Center handles construction permits, including building permits. Ask the company you hire to say up front whether the repair scope needs one, and check that it is registered with Washington L&I as a construction contractor using L&I's Verify a Contractor tool. Washington has no state mold license, so that registration and a clear written scope are the practical checks. Get the price, the areas covered and what happens to removed material in writing before work begins.