1351 Jefferson Street, Suite 301, Washington, MO 63090,  Main Office: 636.432.5029
Follow Us

21 design group civil engineering and land surveying services

21 Design Group Sign

21 Design Group provides construction support; surveying and mapping; civil site design; potable water and wastewater treatment/collection services for projects in the Midwest region of the United States.  Our expertise is unmatched and your project is important to us.  Click on either of 21 Design Group's  engineering and surveying services below to learn more. 

Construction Support...Learn More

Surveying and Mapping...Learn More

Civil Site Design...Learn More

Potable Water...Learn More

Waste Water Treatment and Collection...Learn More


Representative Projects

21 Design Group personnel have been involved with the following types of projects:

Potable Water Storage Road and Street Design
Water Treatment Residential Subdivision Design
Wastewater Treatment Biosolids Containment
Wastewater Collection and Conveyance No-discharge Wastewater Systems
Large Commercial Site Design Construction Oversite
Municipal Sidewalk Improvements Plan Review and Quantity Takeoff
ADA Compliance  



Go to top

New 21DG Background