Seattle retaining-wall contractors with public records

Before you request bids

Hiring a retaining-wall contractor in Seattle

Most Seattle wall projects are not interchangeable. A short garden wall on a level yard, a rockery below a driveway, and a wall holding up a house or a steep slope call for different designs, permits, and crews. Decide the type of work first, then use the work-type pages to see which companies have public Seattle permits describing similar scopes.

Check the permit path early. SDCI says a wall or rockery avoids a construction permit only when it is four feet or lower measured from the bottom of the footing, the parcel has no environmentally critical area, and the work will not damage adjoining property. Walls on a property line, on a steep slope, or supporting a structure often fall outside those conditions; the permit guide and ECA map guide explain the branches.

Then compare contractors on the same facts. Washington L&I recommends written bids from several registered contractors, compared on scope, products, dates, warranties, references, and whether permit fees and taxes are included. Our cost and bid-scope guide shows the declared-cost ranges in selected Seattle permits and the line items that make two bids comparable.

Finally, re-check the company itself. Each profile here links to the Washington registration record and the city permits it is based on. Records are a snapshot: open the current L&I record before signing and confirm the legal name and registration number on the contract match the company you researched.