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Posted: March 2, 2023 by

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In need of a contractor or septic system designer in Western Washington? Call for a consultation!

Call Direct (206) 242-6911

We’re IN the neighborhood!

Don Olson Construction – Professionalism you can trust!

We are a Washington State licensed contracting company with a sterling reputation for excellent service for over 50 years. We take great pride in providing timely and cost effective “Service with a Smile.”