Specializing in providing engineering design, construction monitoring and testing services for geotechnical and construction materials applications.
• Our services
We provide geotechnical engineering and materials testing services throughout the life of a project.
• About us
With a diverse background in geotechnical and materials engineering, professional accreditation, education and levels of experience, we deliver safe, long-term performance and fiscally-responsible projects.
• Strategic plan
Learn about our mission, vision, and operating philosophy.
• Resources
Links to other Web sites and related information.
Contact us
Alan Corwin, P.E.
King County Road Services Materials Lab, Bldg. D
155 Monroe Ave. N.E.
Renton, WA 98056
206-296-77110
206-296-7719 (fax)