About AC Cornerstone Building

AC Cornerstone Building is a veteran-owned residential construction company built on integrity, discipline, and a commitment to doing things the right way. We serve homeowners with dependable craftsmanship, clear communication, and a focus on long-term value in every project we take on.

Built on Service, Integrity, and Craftsmanship

AC Cornerstone Building was founded on the same principles learned through military service and hands-on construction experience: show up prepared, communicate clearly, and take pride in your work. As a veteran-owned company, we bring discipline, accountability, and attention to detail into every project, whether it is roofing, remodeling, additions, or residential construction.

Our mission is simple. Deliver reliable, high-quality construction services while treating every homeowner with honesty and respect. We believe that trust is earned through transparency, consistent communication, and results that speak for themselves. From the initial consultation to the final walkthrough, our team is committed to exceeding expectations and protecting what matters most.

Owner and Operator

Josh Hartman

After graduating high school, Josh chose to serve his country by joining the United States Marine Corps, where he developed discipline, resilience, and a strong work ethic that continues to shape his professional approach today. Following his military service, he pursued higher education at the University of Northwestern Ohio, completing both the Automotive and High-Performance Automotive programs.

While attending UNOH, Josh began working in construction and discovered a passion for hands-on building and problem-solving. After graduating, he expanded his technical experience by working in HVAC in Phoenix, Arizona. Eventually, his career path led him to Waco, Texas, where he found his calling in entrepreneurship and construction leadership. Today, Josh leads AC Cornerstone Building with a focus on integrity, quality workmanship, and customer trust.

OUR MISSION STATMENT

Our mission is to serve homeowners with honor by delivering dependable construction services built on integrity, transparency, and quality craftsmanship. AC Cornerstone Building is committed to clear communication, honest guidance, and results that stand the test of time. We strive to build lasting relationships alongside lasting homes, ensuring every client feels confident in their investment.

Ready to Work with a Builder You Can Trust?

Whether you are planning a roofing project, remodel, addition, or new construction, our team is ready to help. Contact AC Cornerstone Building today to discuss your goals and get started with confidence.