Cornerstone Plumbing LLC
Plumber or heating and cooling contractor in Spokane Valley, Spokane County, WA
Claimed listings rank first in Spokane County and are the first we pass quote requests to.
State license record
Listed from a state license list.
- Licensing body
- Washington State Department of Labor and Industries
- License number
- CORNEPL798NZ
- Class
- Plumbing contractor
- Status
- Active
Check the registration lookup (choose a Search by option first). List read September 22, 2026
This business isn't in the federal USDOT registry, so there's no registration to show. We list what the state's list publishes: the business name, its town and county, and a phone number where the list gives one. How listings are built
About this contractor
It's one of 307 plumbers and heating and cooling contractors listed in Spokane County.
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Map
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