Wisconsin Custom Openings

We are a locally owned business out of Berlin, WI. We do our own work, and are licensed and insured. Theres no monkey business with us!

HistoryMlJ Coons Construction was founded in 2017. The owner grew up around the construction industry since he could walk. He worked for his grandpa and great uncle for a short time. His grandfather was his mentor his whole life and decided to follow in his foot steps and run his own company!SpecialtiesWe specialize in commercial and Residential Interior and Exterior remodel. We offer services of windows, doors, siding,roofing, soffit,fascia,framing,additions and much more!