We’ve officially rebranded! AC Cornerstone Building is now Outlaw Ridge Construction!
We’ve officially rebranded! AC Cornerstone Building is now Outlaw Ridge Construction!
Outgrowing your home doesn’t mean you have to leave it. At AC Cornerstone Building, we specialize in room expansions in Austin, TX—helping homeowners gain the extra space they need without the stress of moving. Whether you’re expanding a living room, adding square footage to your kitchen, or turning a cramped bedroom into a true primary suite, we create smooth, well-integrated additions that feel like they’ve always been part of your home.
With honest guidance, expert craftsmanship, and a process built on trust, we make expanding your home feel simple—and worth every step.
As property values continue to climb in Central Texas, many homeowners are choosing to invest in the space they already have. Room expansions are a smart solution for growing families, remote workers, and anyone looking to improve functionality and comfort without relocating.
Common reasons homeowners choose room expansions:
✅ A baby on the way or kids needing more personal space
✅ The shift to working from home and needing a private office
✅ Desire for a bigger kitchen or open-concept living area
✅ Creating a true primary suite with added closet and bath space
✅ Making space for aging parents or multigenerational living
✅ Boosting home value with additional square footage
We help you explore what’s possible—whether you need an extra few feet or a full bump-out—always focused on blending the new with the existing structure.
Proud member of the Leader Chamber of Commerce.
Every home is different, and so is every expansion. We take the time to understand your home’s layout, your priorities, and your style so we can create a solution that’s both beautiful and functional.
Spaces we commonly expand
Add depth and width to create more room for seating, entertaining, or open layouts.
Create more prep space, storage, or a layout that supports an island or breakfast nook.
Add space for larger beds, walk-in closets, or expanded en-suite bathrooms.
Make room for double vanities, separate showers and tubs, or more accessible layouts.
Improve livability with more breathing room or a sitting area.
Expand a small room or carve out quiet, dedicated space for remote work.
At AC Cornerstone Building, we’ve designed our process to take the guesswork and stress out of remodeling. From planning to permits to the final walkthrough, we stay focused on your goals and timeline.
We begin by visiting your home, listening to your ideas, and evaluating your current layout. We look at structural details, utilities, and any potential challenges so we can give you informed, realistic guidance.
We work with you—or your architect—to finalize the design. If you don’t have one, we can recommend trusted local designers. We help you explore finishes, layout adjustments, and structural options.
You’ll receive a detailed, written quote that includes materials, labor, permitting, and timelines. No vague pricing. No hidden costs.
We handle all permitting and inspections required by the City of Austin and surrounding municipalities. You’ll never have to navigate the red tape alone.
Our crew shows up on time, works cleanly and respectfully, and keeps you updated every step of the way. We coordinate trades, protect your home, and stay focused on delivering quality results.
Before we consider the job done, we review everything with you, address punch list items, and make sure you’re 100% happy. We stand by our work even after we’re finished.
One of the biggest challenges in any room expansion is making the new space feel like it belongs. That’s where our attention to detail comes in.
We match:
We also factor in insulation, energy codes, and smart upgrades so that your new space isn’t just bigger—it’s better built. Our commitment to lasting quality shows in every beam, joint, and finish.
We’ve completed room expansions across Austin—from cozy bungalow extensions in Zilker to larger second-story builds in Cedar Park. Each one reflects thoughtful design, clean transitions, and a commitment to doing things the right way.
Visit our Our Work page to view real examples of our projects and get inspiration for your own home.
AC Cornerstone Building proudly serves homeowners throughout Austin and the broader Central Texas region. Whether you’re in the city or a nearby community, we bring reliable, high-quality remodeling services right to your door.
If you’re within driving distance of Austin, chances are we work in your neighborhood. Just reach out and ask—we’re happy to help.
A well-planned room expansion can give you the space you need to live more comfortably—without sacrificing the location you love. Whether you’re ready to get started or just exploring ideas, AC Cornerstone Building is here to offer honest answers, expert guidance, and results you can count on.
Let’s talk about your space. Use our Contact Us form to schedule your free in-home consultation and start planning your expansion today.
