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Cornerstone Construction

We are a detail oriented General Contracting company located in Ellensburg, WA. Over 15 years of experience doing fine construction, from small remodels to extensive reconstructions including outdoor living space design and implementation.

Small Business Values

For over a decade Cornerstone General Contracting has been a trusted construction partner in communities across Central Washington providing high quality, personalized general contracting services. We operate on a commitment to small business values that empower us to provide exceptional quality and customer service.

Our Mission

Our mission is to provide high quality General Contracting services to support you in making your dreams become reality. We have experience in a wide variety of construction techniques and have partnerships with well regarded subcontractors to support our customers throughout the Pacific Northwest.