1351 Jefferson StreetSuite 301, Washington, MO 63090  Main Office: 636.432.5029
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21 Design Group / Expert Engineering and Surveying in Washington, MO


Based in Washington, Missouri with a focus on projects in midwest United States, 21 Design Group is committed to providing quality civil engineering and land surveying to our clients at a reasonable cost. Our staff is motivated to provide you with the most extensive service for your bottom dollar.

The interaction between our engineers, and designers broadens our perspective of complex projects and provides our team the depth of expertise to identify critical engineering constraints early in the project and to create innovative solutions. We provide engineering services throughout all phases of a project and we seek to incorporate the benefits of natural systems into our designs.

Welcome to 21 Design Group

EnginEering and surveying

With experience across much of the Midwest and through the use of state-of-the-art technology, an expert staff, and precise planning and mapping, 21 Design Group delivers and executes engineering, surveying, and design projects with your desired results. Whether your project is in construction support, surveying and mapping, civil site design, potable water, or wastewater treatment and conveyance or collection, 21 Design Group's engineering and consulting services are available to ensure project success.

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Our firm can be present for any aspect of construction necessary to provide quality control.

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surveying and mapping

Our extensive experience in land surveying allows us to deliver a quality and reliable service to our clients.

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civil site design

Our staff has comprehensive expertise in providing the right civil site design to every individual project.  

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Our firm has extensive experience in all aspects of potable water design including storage, distribution, and supply.  

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wastewater treatment And Conveyance

Due to ever-changing technology, our staff strives to sustain the most current wastewater treatment and wastwater collection knowledge to keep our clients in compliance.   

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Transportation Improvements

Be it, roadway layout and design or ADA accessible pathways, we have an innovative approach grounded by sound principles.   

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