Lake Forest

3JM Exteriors is an Award-Winning General Contractor in the Areas of Lake Forest and North Shore


The North Shore has beautiful homes, and they need to be taken care of properly. We don’t need to brag about our qualifications, because we can let the facts speak for themselves. 3JM Exteriors has consistently earned high praise from the BBB and Angie’s List, and we are members of the National Roofing Contractors Association. If you are looking for a general contractor in Lake Forest, IL, 3JM Exteriors is the clear choice.

How We Do It

There are a few special ingredients in our recipe for success, but they are not secrets. We are happy to tell you about the ways we keep our business running smoothly and our services performed to perfection:

  • Three-level customer service: Each project has a designated project supervisor, field supervisor and crew, all of whom ensure success in their areas of expertise.
  • Custom Software: Our specialized software enables us to track every aspect of each project and communicate efficiently with customers, workers and suppliers.
  • Strong Warranties: Our company is a Master Elite Preferred Contractor for GAF and a Platinum Preferred Contractor for Owens Corning. When we do roof repair using these systems, we can offer corresponding warranties so you can enjoy enduring security.
  • Specialized Craftsmanship: Lake Forest is known for its pristine aesthetic, and we make sure our work reflects the standards of the area. We also work hard to stay educated and trained on the standards and practices of our industry.

Let Us Help

Lake Forest and its nearby neighborhoods were meant to last. 3JM Exteriors is here to keep your home standing strong and proud for decades to come. Whether you need window replacement for your old house or it is time to replace your siding, we want to help. Fill out our convenient online request form or call us toll-free at 855-766-3356. We’ll set up your free consultation and get to work.