Ken Logan is the proud owner of K & K Classic Designs, Inc.; a premier window replacement and maintenance free siding company that has been serving the SW Denver, foothills and mountain areas for over 27 years, specializing in Littleton, Highlands Ranch, and has expanded into Evergreen, Conifer, Pine, and up the 285 corridor.

A+ Rated Gold Star Member of the Better Business Bureau, since 1995, K & K Classic DesignsWe have been a part of the Better Business Bureau since 1995, are A+ Rated, and have earned the Gold Star Certificate. 

Affordable window replacement in Colorado

Quality Replacement Windows

Contact us for a FREE in-home quote to improve your windows and energy efficiency.


Maintenance-Free Siding

Never paint your home again! You’ll love our prices–30-40% less than our competitors!@


5-Star Customer Service

We take out the middleman and bring the product to you. Checou out our testimonials!

Transferable Product Warranty

Contact us for info about how easy it is to pass on your lifetime warranty to new buyers.