ADU Builders in Texas
Texas has no statewide ADU law, so what you can build depends entirely on the city, and the spread is wide. Austin became one of the most permissive big cities in the country after its HOME initiative allowed up to three units on most single-family lots, which is why its builder market runs several times the size of any other Texas metro. Houston has no zoning at all and has been quietly building garage apartments for decades. San Antonio runs a casita program with a permit-ready plan library. Dallas is the hard one, where most lots need an overlay approved first. This page covers all four metros, and we rank on local process fluency, ADU volume, and pricing clarity.
- 1
Award-winning Austin design-build firm that creates custom ADUs tailored to your lot and lifestyle, with recent projects including The Dollhouses and Hyde Park ADU Retreat.
- 2
Central Texas builder since 2007 specializing in high-performance, net-zero energy homes and ADUs with in-house expertise in solar, geothermal, and rainwater systems.
- 3
Central Texas ADU builder founded by sisters and focused on transparent, all-inclusive pricing for four distinctive residential models. Over 100 completed projects across Austin, San Antonio, and Hill Country.
- 4
Austin and Dallas builder with 14 years of experience and 400+ completed projects, specializing in ADU construction with a portfolio of named backyard cottages and a design-forward approach using 3D renderings.
- 5
Austin design-build firm founded in 2018 with a library of 293 pre-designed floor plans named after Texas cultural figures, from studios to three-bedroom units.
- 6
Locally owned Austin builder with 15 years of experience constructing backyard ADUs and casitas on customer lots, handling design through final inspection with a track record of on-time delivery.
- 7
Dallas-based ADU specialists building custom backyard homes, casitas, and garage conversions across 24+ DFW cities for multigenerational families seeking privacy and independence without moving.
- 8
Central Texas builder of stick-built, permanent-foundation ADUs, pool houses, and garden structures, offering customizable designs with 1-year finish, 2-year mechanical, and 6-year structural warranties.
- 9
Hill Country builder specializing in permanent, stick-built ADUs and casitas on customer lots, based in New Braunfels with service across San Antonio and the Texas Hill Country.
- 10
Austin luxury construction firm with 150+ completed projects including residential and commercial work, BBB A+ rated, specializing in ADUs, casitas, and high-end remodels.
- 11
Dallas-Fort Worth builder offering four ADU types from garage conversions to detached units, with full design and permitting services. Licensed and insured, serving 17+ communities in the DFW metroplex.
- 12
San Antonio design-build firm with 21 years' experience adding guest houses and mother-in-law suites, strong in premium neighborhoods like Alamo Heights, Terrell Hills, and Olmos Park.
- 13
Texas design-build firm specializing in custom ADUs, backyard homes, and additions across Central Texas and beyond, with transparent pricing, published examples, and site-first methodology.
- 14
Austin-based design-build firm serving a 10-county region around central Texas with ADU and garage conversion expertise, known for diligent planning and transparent communication.
- 15
DFW builder offering four pre-designed ADU models from 765 to 1,544 square feet, starting around $170,000–$320,000, with full customization options for Southlake, Colleyville, and Westlake homeowners.
Frequently asked questions
Do I need to find my own floor plans or can builders provide them?
Many Texas builders offer design services or pre-made plans. Some firms provide a library of hundreds of pre-designed floor plans, while others specialize in custom designs tailored to your specific lot and lifestyle.
Can these companies help with the permitting and legal process?
Yes, several builders listed here handle the entire process from design through final inspection. Some even offer full permitting services to help navigate the different local regulations across cities like Austin and Dallas.
What kind of ADU structures are available in Texas?
You can choose from various options including detached backyard cottages, garage conversions, casitas, and stick-built tiny homes. Some specialists even focus on permanent foundation structures or high-performance net-zero energy homes.
Are there builders that specialize in specific regions like Dallas or San Antonio?
Yes, the market is quite regional. You'll find specialists focused specifically on the Dallas-Fort Worth metroplex, firms serving the San Antonio and Hill Country areas, and many builders concentrated in Austin.
Do these builders offer warranties on their work?
Some builders provide specific warranty packages that cover finishes, mechanical systems, and structural integrity for several years. It's always best to check the specific coverage offered by the firm you choose.