About Us

Man standing in a small waiting room beside a reception counter and chairs. | Sons of Automotive LLC

At Sons of Automotive LLC, automotive repair is about more than fixing vehicles. It's about building relationships, supporting families, and making a positive difference in the community we call home. As a family-owned and operated auto repair shop in Royse City, TX, we believe that dependable service begins with treating people with honesty, kindness, and respect.


Our business is built on strong family values, Christian principles, and a genuine desire to help others. Whether someone visits us for routine vehicle maintenance or an unexpected repair, we want them to feel comfortable knowing they're working with people who care about their safety and well-being.


Meet the Family Behind Sons of Automotive LLC


Sons of Automotive LLC is owned by Shaggy Kundmueller, an automotive professional with more than 15 years of industry experience. After years of developing his skills and understanding the automotive repair business, Shaggy decided to build something of his own.


Now approaching seven years as an independent business owner, Shaggy continues working toward his vision of creating one of the most trusted and recommended automotive repair shops in the Royse City area.


But he doesn't do it alone.


His wife, Amber, and daughter, Alyssa, are actively involved in the business, making Sons of Automotive LLC a true family operation. Even the youngest members of the family, grandchildren Dean and Daisy, are part of the shop's family-centered atmosphere.


For the Kundmueller family, the business represents more than a livelihood. It's an opportunity to work together, serve their neighbors, and create something meaningful for future generations.


Faith, Family, and Community Come First


Our Christian faith plays an important role in how we approach both business and everyday life. We believe that helping others, showing compassion, and doing what's right should extend beyond the walls of our repair shop.


Through our church, we're involved in efforts to support local families and individuals experiencing difficult circumstances.


Some of the ways we give back include:


  • Helping single mothers with automotive concerns and vehicle repair needs.
  • Collecting donations during the Christmas season to support families in the community.
  • Assisting with vehicle concerns affecting parents and their children.
  • Helping individuals facing financial hardships with necessary repairs whenever circumstances allow.


Shaggy understands that reliable transportation can make an enormous difference in someone's life. Having a working vehicle can determine whether a parent gets to work, a child makes it to school, or a family can manage its daily responsibilities.


That's why we try to lend a helping hand whenever possible.


Building Trust One Customer at a Time


Our goal isn't simply to grow our business. We want Sons of Automotive LLC to become a shop that people throughout Royse City recognized for its integrity, quality service, and commitment to the community.


We know that trust must be earned through consistent actions. Every vehicle that enters our shop represents someone who depends on it, and we take that responsibility seriously.


With more than 15 years of automotive experience behind our ownership, we bring practical industry knowledge to the services we provide. We also offer a 12-month/12,000-mile warranty on qualifying repairs, giving customers added confidence in our work.


Whether we're helping someone maintain their vehicle or addressing an unexpected mechanical problem, we strive to provide service that reflects the values our family stands behind.


Experience the Sons of Automotive LLC Difference


When you choose our shop, you're supporting a local family business that believes in giving back and building lasting relationships. We appreciate every opportunity to earn your trust and become part of your vehicle's maintenance and repair journey.



If you're looking for an automotive repair shop that values faith, family, community, and dependable workmanship, we'd love to welcome you. Contact Sons of Automotive LLC today to schedule your auto repair or maintenance appointment in Royse City, TX, and experience the difference of working with a family that cares.