Excavation & Demolition in Washington

How Do You Hire Excavation, Grading and Demolition Contractors in Washington?

We list 1,182 excavation, grading and demolition contractors in Washington, most in Spokane, Snohomish, Olympia. Washington requires contractors to register with the state. As a planning figure, expect usually priced per job or machine hour; get a site visit; typical lead time is one to several weeks. Check the license and compare two or three written bids.

Updated November 6, 2026 · Source: listings downloaded November 6, 2026; cost and timing are our planning assumptions, not survey data.