Custom Home Building in Greater Lansing and Mid-Michigan

With over 20 years of experience, we provide the highest level of quality and service in drafting/design, building, decks, additions, remodels and handyman services
Additions and remodels in Greater Lansing area, as seen here in a newly remodeled kitchen

Additions/Remodels

Cornerstone Custom Homes and our subcontractors have the ability to take your dream ideas and make them a reality. From start (plans) to finish (cleaning), Brian and his team will be there. We can create your spa-like master bath, HGTV-like kitchen, or finished basement space.

  • Additions/Remodels
  • Cornerstone Custom Homes TimberTech Silver Pro deck contractor

    Decks

    We are a TimberTech Silver Pro deck builder that can convert your old/tired treated deck into a new fresh outdoor space. New composite or PVC decking with vinyl, aluminum or composite railing is both beautiful and maintenance-free.

  • Decks
  • Custom new home building in DeWitt, MI

    Home Building

    Our team of subcontractors are some of the best in the business. Quality craftsmanship, exceptional service, and years of construction experience ensure a phenomenal process from start to finish. All our homes are completely custom … they are built for you.

  • Home Building
  • Handyman services in Lansing area

    Handyman Services

    We’re happy to fill the large need for quality handyman services in DeWitt and the surrounding Greater Lansing area … with a deep knowledge in construction and the desire to fix things RIGHT! And if we can’t fix it, then we know someone who can.

  • Handyman Services
  • Drafting and design services in Dewitt, MI

    Drafting/Design

    With a degree in Architecture Technology and having drafted hundreds of homes over the last 19 years, Brian has the attention to detail and keen sense of scale to design your project.

  • Drafting/Design
    • Hear from Cornerstone Clients

      Don't just take our word for it! See some of our 5-star Google reviews.

      See our Work

      The proof is in the portfolio. View details and photos of custom building projects we've completed for our satisfied clients in Mid-Michigan, from custom home construction in DeWitt to bathroom remodels in East Lansing to new composite decks in St. Johns.

      Meet the Builder

      Brian Theis has been in the custom home building industry since 2002. He has a degree from Ferris State University in Architecture Technology and is a fully licensed and insured builder.
      Cornerstone Custom Homes was founded with a simple concept in mind: building should be fun. Whether it's a new home, addition, or remodel, Brian strives to build relationships with his clients to make the experience one they will enjoy.
      Born and raised in Portland, MI, Brian now lives in DeWitt with his wife, Erin. They adopted their son, Joshua, from the Philippines in February 2022. He is an avid bowhunter. His other interests include wine making, college sports, and traveling.

      Let's get started!

      Get in touch with Cornerstone Custom Homes today using our handy form below. We can't wait to meet you.