Keith Tower
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We have nearly 40 years combined experience evaluating soils across many Eastern Washington counties. While, we are licensed to design septic systems throughout the state of Washington, we focus on 8 Eastern Washington counties. We provide septic design services for Chelan, Douglas, Okanogan, Grant, Kittitas, Adams and Benton Counties.

Tower Designs was established in 2000 in Leavenworth, Washington. Our goal is to provide quality septic system designs and repairs for a reasonable fee. We are proud to stand by our work and guarantee an accurate assessment of the soils on your property. Most site assessments require machinery to dig a test pit.

You can arrange to have the machinery present on-site or we can make the arrangements for you. We work with many local excavators and can arrange to have the test pits dug for the lowest price. New Construction: Building your dream home? We will perform a site evaluation (including test pits if not previously done) and complete a site-specific septic design for your property.
Services
Having issues with your existing system? Tower Designs will work with you to identify the problem with your system. We will work with you to come up with a solution to remediate the existing system if at all possible or can design a replacement system if necessary. We strive to design the most cost effective and long lasting functional system.
Reviews (8)
Barbara
Barbara
Jan 19, 2021
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I have used Keith Tower before and ALWAYS was treated very well. Very knowledgeable, helpful and good value for the price. Highly recommend them.
Kim Washburn
Pamela Goff
Pamela Goff
Dec 30, 2020
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We received prompt and professional assistance with our Septic repair project in record setting time! Keith helped us submit plans to the health department for approval and was most helpful in answering any questions we had! Highly recommend using Tower Designs for your septic design needs.
Kathleen Tucker-Patton
Kathleen Tucker-Patton
Dec 27, 2020
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Positive: Professionalism, Quality, Responsiveness
Keith responded to our phone calls very promptly. In fact my husband and I remarked that we really hadn’t had such quick service from very many providers. He had good recommendations for us and was committed to helping us solve our problem. Thank you!
Sam O.
Sam O.
Mar 27, 2020
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Builders in the area regard these guys as the best around, and I understand why. Zachary looked at our system and gave us some great, timely advice that helped us avoid an expensive mistake.

And because his advice meant we didn't need to redesign our septic system, he offered it for free.

He was clearly trying to help us out, even though it wasn't in his financial interest to do so.
Shane Rinker
Shane Rinker
Sep 21, 2019
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Zak Towers does an incredible job! Would use him every time, highly recommend.
Joyce D.
Joyce D.
May 11, 2019
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Excellent, professional, cannot be beat, the best and most through. Go with this company they are great Joyce DuPont
Andrew D.
Andrew D.
Jun 12, 2018
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Do yourself a favor and find someone else to design your septic system, there's plenty of other great options in the area. Keith and his team don't care about you or whether you'll be able to use his design.
Dan Dittrich
Dan Dittrich
Feb 02, 2018
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I've been working with Tower Designs for a very long time and have found them to be very professional, helpful with meeting the needs of the client, knowledgable of county requirements, and prompt with appointments. Tower Designs is always my first call when we need perk tests and septic designs.