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About Us
Founded in 1986, Sierra Construction Company is a Seattle area general contractor and construction management company specializing in commercial, industrial, mixed use and tenant improvement construction. Our expertise spans a wide range of services– from pre-construction to complete turn-key construction projects.
With offices in Woodinville, Washington and Portland, Oregon, we are able to respond to clients' needs up and down the I-5 corridor and throughout the Pacific Northwest. We hold contractor licenses in Washington, Oregon, Idaho and Montana.
Administrative Team
 Roger Collins Chief Executive Officer |  Rick Basnaw President |  John Miller Chief Operating Officer |  Guy Blanchard Oregon Operations Manager |
 Suzy Tangen Business Development Manager |  Nancy Adler Human Resources Manager |  Chris Kevil General Superintendent and Safety Director |  Jarrod Cooper Service Department Manager |