Transform Your Space with Hearthstone Builders: Premier Granny Flat Specialists in Austin, TX
At Hearthstone Builders, we redefine what it means to maximize your property. Specializing in custom granny flats or Accessory Dwelling Units (ADUs), our expert team in Austin, TX is dedicated to helping you create functional and stylish living spaces that enhance your home and lifestyle.
Whether you’re looking for an affordable guest suite, a home office, or an investment property, our innovative designs and superior craftsmanship ensure that your project not only meets your needs but exceeds your expectations. Let us bring your vision to life—contact us today and embark on the journey to your perfect ADU.
Build Your Dream Granny Flat: Custom ADUs for Modern Living in Austin, TX
At Hearthstone Builders, we believe a granny flat isn’t just an addition — it’s a lifestyle upgrade, a family solution, and a smart investment.
Unlock Your Backyard Potential: Types of Granny Flats We Build
Why Families Trust Hearthstone Builders: Expertise, Customization, and Local Commitment
Transforming Spaces: Our Gallery of Custom Granny Flats
At Hearthstone Builders, we bring dreams to life with our stunning portfolio of granny flats (ADUs) designed for modern living. Explore our image gallery to witness the intricate craftsmanship and innovative designs that make up our diverse range of projects in Austin, TX. Each photo tells a story of customization, functionality, and aesthetic appeal, showcasing how we blend creativity with construction excellence to create perfect living spaces for families, guests, and caregivers. Discover the possibilities with Hearthstone Builders and see why your vision deserves the best.
Hearthstone Builders Team
1. Mark Reynolds – Co-Founder & Lead Contractor
✅ Background & Expertise:
Mark Reynolds has over 20 years of construction experience in Central Texas, with a career that began in residential framing and evolved into leading full-scale design-build projects. His expertise lies in ADUs (Accessory Dwelling Units), energy-efficient granny flats, and custom outdoor living spaces.
✅ Role at Hearthstone Builders:
As Lead Contractor, Mark oversees project management, from blueprint to final walkthrough. He ensures every build meets the highest standards of craftsmanship, safety, and sustainability.
2. Daniel “Dan” Alvarez – Co-Founder & Design Specialist
✅ Background & Expertise:
Dan Alvarez combines 15 years of design and construction management experience with a passion for creating functional, beautiful living spaces. With a background in architectural drafting, he bridges the gap between creative design and practical construction.
✅ Role at Hearthstone Builders:
As Design Specialist & Project Consultant, Dan works closely with homeowners to craft tailored layouts that maximize space, comfort, and neighborhood aesthetics. He’s known for listening carefully to client needs and turning ideas into reality.
Certifications & Licensing
What Our Clients Say About Hearthstone Builders: Transforming Spaces with Expertise and Passion
“Hearthstone Builders made our dream of having a granny flat a reality! The team was professional, detail-oriented, and communicative throughout the entire process. We couldn’t be happier with the finished product!”
“Great craftsmanship and attention to detail. The team really listened to our needs.”
“From the initial consultation to the final walk-through, Hearthstone Builders exceeded our expectations. Their craftsmanship is top-notch, and they truly care about their clients. Highly recommend!”
“Hearthstone Builders turned our empty backyard into a beautiful guest house for my parents. They love it!”
“Hearthstone Builders turned our underutilized backyard into a beautiful granny flat that our family loves. The team was friendly and respectful, and the quality of work speaks for itself.”
“The process was smooth from start to finish. We now have a rental unit that practically pays for itself.”
Your Questions About Granny Flats in Austin Answered: Everything You Need to Know About ADUs with Hearthstone Builders
Build Independence, Without Moving Away
Give your loved ones the freedom of their own space while keeping them close. A granny flat provides a fully self-contained home — complete with bedroom, kitchen, bathroom, and living area — right on your property. Perfect for aging parents, adult children, or even guests, our designs balance privacy with proximity, ensuring comfort, safety, and connection without the need to relocate.
Ready to Build Your Granny Flat? Let’s Talk.
For immediate assistance or to discuss your project ideas, please call us directly at the number below. We’re here to help with all your granny flat needs.
Have questions or want to start a conversation about your ADU? Fill out the form below, and one of our team members will get back to you promptly.
Currently Serving Austin and Surrounding Central Texas Communities
