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Expand Your Space With a Home Addition


Looking to expand your home with a new family room, kitchen, or sunroom? McMillan Construction Group, Inc, serving St. Louis, MO, specializes in creating beautiful, functional additions that enhance your living space.


With over 50 years of experience, our team of general contractors and builders is dedicated to delivering exceptional craftsmanship and using only high-quality materials. We focus on complete project management and coordination to ensure your addition is completed on time and within budget including, but not limited to:


  • Family rooms
  • Kitchens
  • Bonus rooms
  • Second story additions
  • Garages
  • Exterior kitchens


The McMillan Construction Group

Commitment to Excellence

When you choose McMillan Construction Group for your home addition, you're partnering with a team that values quality and integrity. Our commitment to excellence is evident in every project we undertake. Here are some benefits of working with us:


  • Exceptional attention to detail
  • Expert craftsmanship
  • High-quality materials
  • Innovative design
  • Complete project management and coordination
  • Locally owned

Contact Us

Ready to expand your home with a beautiful new addition? McMillan Construction Group is here to help. Call or text us to discuss your project and discover how we can bring your vision to life.

View Our Home Additions Gallery

Great work, great staff.

- Mike Ghafoori

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