Contact Us

We are eager to hear about your own trenchless project and how we can help. Please don't hesitate to contact us if you have work with which you require assistance.

STC can be reached by mail using the following contact information:

1725 220th St SE
Suite 200C
Bothell, WA 98021

We are available by phone during normal business hours or you can leave a message on our voicemail server. Please be sure to provide us with a contact number and a brief description of your project.

Phone: 425.205.4930
Fax: 425.205.4931

Use the Following Links to email us at your convenience:

Kim Staheli, Ph.D., P.E., Principal Engineer

Michelle Ramos, P.E., L.E.G., Senior Project Engineer

Eric Buer, M.S., Project Geologist

Laura Wetter, M.S., Project Geologist

Tina Richardson, Operations Manager