11 Best ADU Builders in Austin, Texas

Verified ADU contractors and builders in Austin, TX

Showing 111 of 11 listings

ADU Tiny Homes For Sale

We specialize in designing and building Accessory Dwelling Units throughout the Austin area, helping homeowners maximize their property value with innovative tiny home solutions. Our expert team handles every step of the ADU construction process, from permits and planning to final completion.

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Austin ADU Builders

We strive to make the Accessory Dwelling Unit (ADU/GrannyFlat/BackyardHome) building process simple and without surprises. We can build at a fixed price using our plans or working with you to create a custom plan.

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Austin Home Additions and ADUs

Specializing in accessory dwelling units and home additions throughout Austin, we help homeowners expand their living space and maximize property value with expert design and construction. From initial planning through final completion, we deliver quality ADU builds tailored to your home's unique needs and local building requirements.

+1 512-937-5593
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Garage Living Austin

Transform your underutilized garage into a functional living space with expert conversion services tailored to Austin homes. From design to completion, we specialize in creating additional bedrooms, home offices, and recreational areas that maximize your property's potential.

+1 512-522-5940
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Koncept Garage

Transform your underutilized garage space into a functional living area with expert garage-to-living-space conversions tailored to Austin homes. Our experienced team handles every aspect of the conversion process, from design and permits to construction and finishing, ensuring your new space seamlessly integrates with your existing home.

+1 512-400-4266
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Lake Travis ADU Builders

Specializing in accessory dwelling unit construction throughout the Austin and Lake Travis area, this contractor helps homeowners add rental or guest housing to their properties with expert design and build services. Whether you're looking to maximize your property's potential or create additional living space, they deliver quality ADU construction tailored to local building codes and your specific needs.

+1 512-325-3300
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NuHorizon Remodeling

At NuHorizon, we think that cooperative and open remodeling projects yield the finest results.

(737) 530-9355
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Revent Builds

From luxury home builds to custom remodels, Revent Builds is renovating expectations & building dream homes in ATX.

(512) 590-5223
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Small House Solutions

Small House Solutions offers a wide variety of residential design and construction services. They ensure not only compliant main house designs but also adeptly navigate the intricate labyrinth of local building codes and zoning ordinances.

+1 512-546-6192
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Southerly Homes

Southerly Homes is a custom home builder in Austin, TX, specializing in building on your lot and ADUs. They are known for their professional and thoughtful approach, providing high-quality work and transparent communication throughout the design and building process.

(512) 831-3645
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Wild Creek Custom Renovations

Wild Creek makes your load light by doing all the heavy lifting for you. Our design-build process is perfect for helping you develop a plan for your ADU that fits comfortably within your investment plan.

(512) 430-1002
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Frequently Asked Questions — ADU Builders in Austin

How much does it cost to hire an ADU builder in Austin?

ADU construction costs in Austin, Texas vary widely depending on size, type, and site conditions. Detached ADUs typically range from $150,000–$400,000+, while garage conversions and attached ADUs can be more affordable. Contact multiple builders in Austin to get accurate quotes for your specific project.

How long does it take to build an ADU in Austin?

In Austin, the ADU construction timeline typically ranges from 6 to 18 months from permit application to move-in. Permitting alone can take 2–6 months depending on Texas local regulations. Prefab and modular ADUs often have faster timelines than site-built units.

Do I need a permit to build an ADU in Austin?

Yes, a building permit is required for ADU construction in Austin, Texas. Your ADU builder will typically handle the permit application as part of their service. Texas has adopted streamlined ADU permitting laws in recent years, which may reduce wait times.

What types of ADUs can be built in Austin?

Common ADU types in Austin include detached ADUs (backyard cottages), attached ADUs, garage conversions, basement conversions, and prefab/modular ADUs. The best type for your property depends on lot size, zoning, and budget. A local Austin ADU builder can advise on what's allowed on your specific parcel.