Do You Have A Windows or Doors Project We Can Help With?

More about M&A

M&A Res Con is a small, family-owned company.

Owned and operated by Mark Lofgren since 2018, M&A originally started as Valley Siding, Inc. in 1990, by Art Docter.

Mark began in 1997 learning in the industry working as an apprentice.

Mark & Art collectively have over 50 years of experience installing Windows, Soffit and Fascia.

What We Do

M&A Residential Construction knows how to put the finishing touches on your home improvement projects, with the newest in windows and doors technology & with old-fashioned craftsmanship and customer service.

Recent Works

Take a look at some of our recent projects and get an idea of what we can do for you!

Our Property Owners Say…

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“Mark installed 11 windows in our home in October and did a great job! Our house is warmer and way more quiet than before. Quality and affordable, we would recommend using M & A to everyone!”

SUSAN & ART D., Brighton, CO
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“M&A installed my windows in August and made a noticeable difference in our home and our energy bill. Our living room was 10 degrees cooler and the A/C did not run as much as it had the week before the installation!”
KEYLA L., Greeley, CO
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“I had M&A install windows in a rental / renovation project. They were able to complete the install in 2 days and keep me under budget. Thanks Guys!”
DEMITRI A., Thornton, CO
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“Mark put Triple-pane windows in our home. They made a big difference in our heat bill and the noise. The price was affordable and I would recommend him to my friends!”

CHET & RUSSIE H., Brighton, CO
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“Thank you so much for the installation! The guys were so courteous and friendly! You were a lifesaver for the affordable and speedy install!”

SHARON J., Aurora, CO

Trusted Partners

Not only do we pride ourselves in the quality of the materials we use, quality materials make it easier to create a beautiful & lasting finished product. We’re proud to work with these great partners & products!

Get A Quote Today

Drop us a line and we will quickly reach back out to you with answers!