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Mold removal in Spokane Valley, WA
Mold in a Spokane Valley home usually starts with water: spring snowmelt around the foundation, ice on the roof, a slow plumbing leak or winter condensation. Small patches you can often clean yourself. For anything bigger, request a free quote and a mold professional who serves the Valley will contact you.
Why Spokane Valley homes get mold
Spokane Valley sits east of Spokane along the Spokane River and gets only about 16 inches of rain and snow a year, so it is not a damp place. Mold here comes from water getting where it shouldn't, mostly in winter and spring:
- Snowmelt and spring runoff pooling against foundations, getting into basements and crawl spaces.
- Ice dams and roof leaks after snow, showing up as ceiling stains and attic mold.
- Condensation on cold walls and windows when homes are shut up and heated through winter.
- Frozen or slow-leaking pipes under sinks and in walls.
Whatever the cause, the fix starts with the water. Killing the mold without fixing the moisture means it comes back.
Removal, inspection or testing?
- Mold removal for mold over about 10 square feet, or inside walls, ceilings, ducts or crawl spaces. The area is sealed off, damaged material removed and the cause fixed.
- Mold inspection when you smell something musty but can't see it, after a leak, or before buying a house in the Valley.
- Mold testing to confirm hidden mold or prove a cleanup worked. Often not needed if you can already see it.
What it costs in Spokane Valley
The mold professionals who serve Spokane generally cover the Valley too, and we have found no separate Valley price list, so expect Spokane prices. Published local prices start at about $425 for an inspection with lab samples, plus about $100 for each extra sample (inspection cost guide). Professional remediation usually runs $1,500 to $9,000 depending on size and where the mold is (remediation cost guide). Small patches under about 10 square feet on a hard surface you can usually clean yourself for the cost of supplies.
Areas we cover in and around the Valley
We pass requests from anywhere in Spokane Valley to mold professionals who serve the area, including:
- Opportunity
- Dishman
- Veradale
- Greenacres
- Trentwood
- Yardley
- Chester
And next door: Liberty Lake and Millwood.
Elsewhere in the county? We also cover Spokane, Cheney, Airway Heights, Medical Lake, Mead, Deer Park and Nine Mile Falls.
Get a mold quote in Spokane Valley
Tell us what is going on and a mold professional who serves Spokane Valley will contact you, usually within one business day. Free and no obligation.
Common questions
How much does a mold inspection cost in Spokane?
Most Spokane mold inspections with lab testing cost about $300 to $600. Published local prices we checked in October 2026 start at around $425 for a standard inspection with one indoor air sample, an outdoor comparison sample and lab fees, with each extra sample about $100, so a typical three-sample job is about $525. A visual inspection without lab samples costs less. Always ask whether the lab fee and the written report are included.
Can I clean up mold myself?
Yes, if the area is small. The EPA and the Washington State Department of Health both say you can usually clean mold yourself when it covers less than about 10 square feet, roughly a 3 by 3 foot patch. For larger areas, mold from sewage, or mold hidden in walls or ducts, hire a professional. Fix the water source first or the mold comes back.
Why do Spokane homes get mold?
Mostly from water getting in or condensing: spring snowmelt and poor drainage around basements and crawl spaces, roof leaks after snow and ice, plumbing leaks, and condensation on cold windows and walls in winter. Mold needs moisture, so the fix always starts with the water source.
Are you a mold removal company?
No. Mold Removal Spokane is an independent guide and referral service. We do not remove, inspect or test mold ourselves. When you request a quote, we pass your request to a local professional who serves your area so they can contact you.
Do you cover Spokane Valley?
Yes. We pass requests from all of Spokane Valley, including Opportunity, Dishman, Veradale, Greenacres and Trentwood, to mold professionals who serve the area. Liberty Lake, Millwood and the rest of Spokane County are covered too.