Wisconsin's Best Shed Builders

Mainus Construction provides the best storage shed solutions in Milwaukee. Large or small, all Mainus Construction sheds live up to the same enduring standard of quality. Our experienced custom shed builders are dedicated to delivering high quality sheds at the best value. Whether you want custom shed delivery or need it built on-site, look no further than Mainus Construction. If you can dream it, we can build it. 

Mainus Construction’s #1 goal is your complete satisfaction.

Fill out the convenient contact form above or call us today for more information about your custom shed built in Milwaukee and the surrounding areas.

Building Supplies from LP

LP 5/50 Year Warranty

Mainus Construction builds storage sheds using LP Smart Panel Siding and LP Smart Trim boards for outstanding weather protection. LP Smart products are guaranteed to last through rain, ice and sunlight with a 5/50 year warranty. Learn why these innovative engineered wood products make Mainus sheds the most reliable outdoor storage in Wisconsin...   LP Building Products SmartSide Warranty