From Craft Spaces to Traditional Sheds

Custom Built Storage Sheds in Wisconsin and Illinois

The right design for your perfect space

Mainus Construction specializes in bringing your dream shed to life. With quality materials and architectural designs to accommodate just about any need, we can bring your outdoor space to fruition.

Yard sheds, storage sheds, garden sheds, you name it and we’ve built it, just check out our storage shed gallery for inspiration on your next project.


Start Building My Shed!


Custom storage shed builders in Wisconsin

Outdoor Storage Shed Solutions

We have durable shed templates to get your base started, including gable shedssaltbox sheds, and barn sheds. These classic option can be built on our property and brought to your home for installation, or we can build the shed directly in the perfect spot if shed moving space is limited.

Traditional Storage Sheds

We've seen it all, we've built them all: the traditional storage shed holds all of your daily stuff in one convenient location right in the back. We've built:

And many more--our gallery of sheds proves that--but we're interested in what you need built. 

Creative Outdoor SpacesOutdoor sheds for crafts and studios

If those pre-built plastic sheds from big box stores just can't fit your needs, then Mainus Construction will design and build you the creative space you've always wanted. Our outdoor sheds can be fabricated with custom design elements, including:

  • Interior shelving and lofts
  • Custom doors and windows
  • Colorful siding to match your home
  • Ramps going into the shed

And more, contact us for more information.

We're capable of building spaces for:

Come to Mainus Construction to customize your next dream shed for whatever use you see fit. From storage to studio, we've got the right designs, tools, and experts to build the perfect outdoor shed for you.

Commercial Business Storage

Yeah, you read that right, we do more than build storage for homes. If your business needs storage space that goes beyond the walls of your company, then we're the shed builders you want.

We can build storage unites for restaurant furniture to fit perfectly in the back of your establishment, sheds for golf carts for the cold seasons, storage units for school sports equipment, and more. Just call us with any questions, we're sure we can build your dream space. 

Contact Mainus Construction today before the summer busy season hits!
LP Building Products for Milwaukee shed siding

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

S&T Firewood in Waterford, Wi for quality heating & pleasure firewood S&T Firewood
7813 Big Bend Road
Waterford, WI 53185

Financing Available: RTO National - Financing largest provider of rental and installment contracts to the backyard products industry