Soil locations near Issaquah, WA

Showing 1–10 of 10 results

We track 10 soil listings in and around Issaquah, WA, spread over 7 ZIP codes. Listings here were last checked in Aug 2026.

Geospectrum Consultants Inc

Engineers Geotechnical Soils

📍 PO Box 276, Issaquah, WA, 98027

📞 425-391-4228

🌐 geospectrum.co.uk

Equilibrium Geotechnical, LLC

Engineers Geotechnical Soils

📍 503 225th Ln Ne Ste F-302, Sammamish, WA, 98074

📞 206-351-0106

🌐 equilibrium-geotechnical.com

Professional Geotechnical Engineering Services including: consultation, design, testing, construction observation, erosion control, ground water monitoring and much more. Our clients can range from someone who needs a single soil test to very prominent residential or commercial developers who need high quality services throughout the entire phase of the project. We perform subsurface explorations using many different methods, ASTM certified lab tests on soils, foundation design, bearing capacity verification and generate Geotechnical Reports and Special Inspections that are required by cities.