Who We Are

Tompkins Homes & Development specializes in subdivision development and provides homesites and estate lots to the Columbia market. Our primary customers are those seeking to acquire land on which to build a custom home. Some prefer lots in a subdivision while others are looking for large estate acreage tracts. We are dedicated to our customers and believe every interaction should be a win-win.

We are always working to provide new property in and around the Columbia area. If you want to learn more about purchasing land be sure to visit our Frequently Asked Questions or send us a message.


Meet the Team


Mike Tompkins is the owner and President of THD. He moved to Columbia in 1986 and joined the family business building custom homes. In 2011, Mike started focusing his attention on subdivision development while his son, Shaun, and daughter-in-law, Felicia, continued managing Tompkins Construction. In his spare time Mike enjoys hiking and traveling.



Mary Kroening Tompkins is in charge of sales for THD. Mary has been in sales most of her life and is excellent at listening to peoples needs and desires and working with them to find the perfect fit. She is very intricately involved with the Columbia business community through her job positions and her owning her own small business. Mary is also a Chamber of Commerce Ambassador. Mary has two grown daughters and in her spare time enjoys travel, backpacking, golf and gardening. Mary’s true passion is helping others grow and become better people as well as business owners.



Sedel Marino Carson is the Director of Operations for THD. She is a graduate of Columbia College where she studied Graphic Design and Business. She began her career as the Director of Communications and later Director of Operations at the Columbia Chamber of Commerce. She is a graduate of Leadership Columbia and has obtained her IOM from the U.S. Chamber of Commerce Institute for Organization Management. Sedel is currently serving on the Home Builders Association of Columbia Board of Directors. She lives in Columbia with her husband Matt, their son Elliott and dogs Hans and Dublin.



Tompkins Construction has been building in the Columbia area since 1986. Projects in Missouri include more than 400 custom homes and remodeling projects.  Tompkins is recognized throughout the community for their use of specialty windows, custom trimwork and excellent customer service, during and after the sale.