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Roofing And Remodeling Services For The Fox Valley & Surrounding Areas!

If you're looking for high-quality and reliable indoor or outdoor remodels, don't hesitate to call M.C. Hammers Exterior LLC. Our team of experts will provide you with top-notch service and help transform your space into the home of your dreams.


M.C. Hammer Interior LLC is your go-to solution for transforming your home's interior with a new kitchen, bathroom, or flooring. Their team of experienced professionals works with you to design a space that meets your needs and exceeds your expectations, using high-quality materials and expert installation techniques.

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Whether you need a new roof, siding, or deck, M.C. Hammer Interior LLC is your one-stop-shop for all your exterior renovation needs. Their team of skilled professionals offers high-quality repair and replacement services using top-of-the-line materials to ensure your home looks and functions at its best.

Roofing, Siding, & Decks
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Windows & Doors

M.C. Hammer Interior LLC offers a wide selection of high-quality windows and doors to enhance the functionality and aesthetics of your home. Their team of experts provides professional installation services to ensure your new windows and doors fit seamlessly and operate efficiently.


If you're looking to refresh the look of your home or office, M.C. Hammer Interior LLC is the perfect choice for all your painting needs. Their team of experienced painters uses high-quality materials and techniques to ensure a flawless finish that will transform any space.



Mike Castellanos, the owner of M.C. Hammers Exteriors LLC, is a family man and a proud father of children. He is happily married and enjoys spending time with his loved ones when he's not working on renovation projects. Aside from his family, Mike is an avid animal lover, and he has a soft spot for dogs. He often volunteers at local animal shelters and donates a portion of his profits to animal welfare organizations. When it comes to his work, Mike's dedication to his craft is evident in every project he takes on. He takes pride in his renovation skills and ensures that every project is completed to the highest standards. As a result of his exceptional work and dedication to his clients, Mike has established himself as a reputable and trustworthy contractor in the Fox Valley area.

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Highly recommend for all projects. Quick, professional and helpful. They roofed our house and addition in one day. We searched around they are the easiest to deal with and most reasonable. Will be using them again in the future!

- Jaimie Lee Green

I would recommend Mike and Team. They did a great job on our drywall repairs. They were professional, communicative and do great work. Thank you!!!

- Dawn Hazen

I want to say thank you guys so much! It has been such a pleasure working with you and your team Mike and Ana! We love our freshly renovated home! I highly recommend this company very reasonable, as well as all around the best company we have dealt with in a very long time!!!!!

- Mary Berliner

Mike came out and fixed some of my siding. He got me in the schedule fast and it looks amazing. Can’t wait to do a bathroom upgrade soon!

- Ashle Brusky

Highly recommend! Mike and his crew fixed some damage to our garage. They were quick, easy to work with, and fairly priced. We will use them for future home projects for sure.

- Hillary Asante

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We Specialize in Residential Roofing!

If you have storm damage, need your roof repaired, or are looking for a whole new roof , and live in Neenah, Greenville, De Pere, Green Bay, Appleton, Kaukauna, or Hortonville, we would love to help you out! Contact us now for a FREE quote!


  • Neenah

  • Greenville

  • De Pere

  • Green Bay

  • Appleton

  • Kaukauna

  • Hortonville

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