CMK Construction

CMK Construction St. Charles County & Surrounding Contractor ✨
Whether it's exterior siding, decks or interior remodels, we believe in doing things right the first time!

We’re a father-and-son team and we keep things simple: show up, do good work, and treat people right. When you work with us, you’re not dealing with a big, faceless company—you’re talking directly to the people doing the job. We take care of homeowners across St. Charles, Lincoln, and Warrenton counties, whether it’s a siding upgrade, a remodel, or a new construction project. If you want the job done right by people who actually care, give us a call—we’d love to help.

Get your new deck for summer call Randy at 636-485-7772
05/02/2026

Get your new deck for summer call Randy at 636-485-7772

04/17/2026

Our next new deck final pictures coming !!!! It’s not to late to get yours by summer call Randy at 636-485-7772

Spring is coming get your new deck now and enjoy it all summer!!!Call Randy 636-485-7772
03/04/2026

Spring is coming get your new deck now and enjoy it all summer!!!
Call Randy 636-485-7772

New pole barn for a great customer final pictures to comeCall Randy for your barn today 636-485-7772
03/04/2026

New pole barn for a great customer final pictures to come
Call Randy for your barn today
636-485-7772

11/09/2025
A great morning spent together at 😊 Happy Father’s Day from us to you!
06/15/2025

A great morning spent together at 😊 Happy Father’s Day from us to you!

This one was a little extra special.We had the chance to side this beautiful home for the project manager of one of the ...
06/12/2025

This one was a little extra special.

We had the chance to side this beautiful home for the project manager of one of the builders we work with — and if you know him, you know he’s just a great guy all around.

The white board and batten really pops against the stone, and with all that open land around it, it turned out sharp.… Proud to have been part of this one.

05/31/2025

Texts like this? Instant smile. 😊 Thanks, Jim!

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Wentzville, MO

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