Veteran-owned AC Cornerstone Building proudly serves homeowners in Austin, Williamson County, and surrounding areas with large-scale whole-home remodels, additions, and custom homes.
At AC Cornerstone Building, we’re proud to call Central Texas home—and even prouder to help our neighbors transform theirs. From kitchens and bathrooms to full-home remodels, we bring craftsmanship, honesty, and attention to detail to every project. Whether you’re updating a growing family’s home or finally tackling that long-awaited renovation, we show up on time, do it right, and treat your space with respect.
As your local remodeling contractor in Williamson County, we bring precision and honesty to every kitchen, bathroom, addition, and custom home project.
Choosing a remodeling contractor is a big decision. Whether you’re in Round Rock or Liberty Hill, finding a reliable remodeling contractor in williamson county shouldn’t be hard — that’s why we’re here. Why so many Central Texas homeowners trust AC Cornerstone is because:
We live and work in the communities we serve.
We’ll walk the space with you and talk through your vision—no pushy sales tactics.
We focus on quality over quantity, with a commitment to getting the details right.
Whether you’re upgrading a single room or renovating your entire home, AC Cornerstone offers a wide range of remodeling services in Austin tailored to your needs as a general contractor in Austin.
✅ Comprehensive Home Renovations: Full-scale remodeling to reimagine your home’s layout, flow, and function.
✅ Countertop Installation: Durable, stylish surfaces expertly installed to match your space and lifestyle.
✅ Tile Work and Flooring: Precision tile and flooring installation to elevate style and comfort.
✅ Staircase Design and Installation: Safe, stylish stair solutions tailored to your home.
✅ Lighting Solutions: Brighten up your spaces with smart, stylish lighting designs.
✅ Window and Door Replacements: Boost energy efficiency and curb appeal with modern upgrades.
✅ Kitchen and Bath Remodeling: Modern kitchens and luxury spa-like baths with custom layouts, counters, tile, vanities, and fixtures.
✅ Home Design Services: Custom Revit plans and hand-drawn concept sketches to visualize your perfect layout, flow, and finishes—standalone service, price fully waived with your remodeling project.
✅ Room Expansions: Add square footage with seamless, functional extensions.
✅ Second-Story Additions: Build upward to increase space without sacrificing your yard.
✅ Garage Conversions: Transform garages into livable rooms, offices, or guest suites.
✅ Patio Construction: Create the perfect outdoor space for relaxing or entertaining.
✅ Porch Additions: Covered porches that blend curb appeal with year-round usability.
✅ Deck Building: Custom decks built for durability, safety, and outdoor living.
✅ Retaining Walls: Functional and attractive walls that support your landscape.
✅ Gazebo and Pergola Installations: Shade structures that enhance style and comfort outdoors.
✅ Outdoor Kitchens: Fully equipped kitchens built to bring your cooking outside.
✅ Barn Construction: Custom barns designed for storage, livestock, or recreational use.
✅ Detached Garages: Stand-alone garages that match your home’s style and needs.
✅ Retaining Wall Installation: Engineered solutions to prevent erosion and define outdoor space.
✅ Flagstone Pathways and Patios: Natural stone surfaces that bring rustic charm and durability.
✅ Custom Home Construction: Complete builds from foundation to final walkthrough.
✅ Custom Cabinetry: Handcrafted kitchen cabinets, bathroom vanities, built-ins, and storage using premium hardwoods.
✅ Custom Woodworking: Unique trim, mantels, built-ins, and architectural wood details crafted by hand.
natalie CTrustindex verifies that the original source of the review is Google. I couldn’t be happier with the work this team did! From start to finish, the communication was clear, the crew was on time, and the quality of the work exceeded my expectations. They paid attention to detail, kept clean, and finished right on schedule. I’ll definitely be using them again for future projects and recommending them to friends!!! THANK YOU! Alex NeslenTrustindex verifies that the original source of the review is Google. AC Cornerstone Building did an amazing job on our kitchen remodel. The team was professional, stayed on schedule, and the quality of the work is excellent. We love our new kitchen and highly recommend them for anyone needing remodeling in Leander! Heather PreziosoTrustindex verifies that the original source of the review is Google. The team did a fantastic job! They set clear expectations from the start and kept the project moving smoothly from one phase to the next. The quality of the work was excellent, and they checked in often to make sure we were happy with everything. We couldn’t be more pleased with the experience! Cheyenne McCallumTrustindex verifies that the original source of the review is Google. We love our new patio! Josh and his team made the process super easy and delivered exactly what we wanted. It’s even better than what we expected! Wes WeiseTrustindex verifies that the original source of the review is Google. Allan, Tom and the crew from A.C. Cornerstone did an extensive remodel of my very dated 1970's house in Quail Creek and did a great job. Many hidden problems were encountered but they managed them very well and explained each issue to me fully. Their extensive knowledge of building methods and materials of past decades made them a good choice for an updating job like mine. The house went from dowdy and obsolete to modern and beautiful and it really looks great! Pete LaTrustindex verifies that the original source of the review is Google. Allan and his crew remodeled my Kitchen. Several little things that made my kitchen pop was a built-in coffee bar, drawer for the garbage , a pull out spice rank in the cabinet. Also redesigning the layout , placing the pantry in the corner and microwave and oven on the wall. Also I had all new flooring done in my kitchen, retreat, and half bath. Over all I highly recommend Alan's crew because of master of details and cleanliness.Google rating score: 5.0 of 5, based on 6 reviews
Home remodeling is more than just construction—it’s about trust. We’re a veteran-led company with deep roots in Austin, and we prioritize clear communication, quality workmanship, and a job well done. We don’t juggle dozens of jobs. We focus on one project at a time to deliver results you can feel confident about.
From the first consultation to the final walkthrough, our process is designed to keep you informed and comfortable. No surprises, no pressure—just honest work that adds lasting value to your home. View our home remodeling services or check out our financing options.
We proudly serve Williamson County and are active members of: • Better Business Bureau • Leander Chamber of Commerce