Garage Conversions & ADUs in Austin, TX

A conditioned living space conversion — insulation, drywall, flooring, HVAC, electrical, windows — typically runs $35,000–$70,000. Adding a full bathroom and kitchenette to make it a true rentable unit pushes it toward $80,000–$140,000, because you are now running drain lines and meeting dwelling-unit code.

Many Austin lots allow one, but it depends on your zoning, lot size, setbacks, impervious cover, and tree ordinance — and Austin has changed these rules more than once in recent years. We check your specific parcel against current code before you spend anything on design. That research is the first thing we do, not an afterthought.

Plan on 4–8 weeks for design and permitting before ground breaks, then 4–7 months of construction for a detached unit. A garage conversion is much faster — often 8–14 weeks total, since the structure and foundation already exist.

That depends on your numbers, your neighborhood, and the rental market — and we are contractors, not financial advisors, so we will not pretend to model your return for you. What we will do is give you a firm construction cost and a realistic schedule so you can run those numbers against real figures instead of guesses.

Yes, if you convert it. Before you commit, we look at whether a detached new-build in the back yard makes more sense for your lot — sometimes it costs more but keeps the garage and yields a better unit.

We do. Site plan, construction drawings, engineering where required, permit submittal, and every inspection through final. You are not standing in line at Development Services.