Top Rated Foundation Contractor Contractors Serving King County, WA
Last Updated May 15, 2026
25 Review Ratings and 1 Foundation Contractor Companies Evaluated.
These companies have passed our Preliminary 5-step rating process.
Preliminary Research
Passing Companies
Certification Research
Earns Highest in Quality and Helpful Expertise
Each listed company below has passed our 5-step Preliminary rating process but has not yet completed and our Diamond Certified Rating Process.
ESG Design
ESG Design offers foundation services to residential and commercial clients in Seattle and its suburbs. The company’s technicians are qualified to work on all types of foundation repair projects, and they prioritize excellent customer service every step of the way.
Services
New Home Design – Structural Engineering, Remodel/Addition – Structural Engineering, Interior Wall/Post Removal Inspections, Existing Home/Foundation Structural Inspections, Exterior Decks, Patio Roofs and Retaining Walls, Architectural Design and 3D Visualizations for Homeowners, Permit Submittal Management for Homeowners, Construction Inspection, Lateral Force Design, Permitting and Building Code Compliance.
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