When your family outgrows your house but you love your neighborhood, a home addition is often the smartest move you can make. Brentwood Homecraft designs and builds home additions in Austin that add real square footage and blend right into your existing home, from a single room addition to a full second story. We have served Austin and the surrounding Hill Country since 2012, and we handle the entire project in house, from the first permit to the final coat of paint. Here is what we build and how the process works.

Home Additions in Austin: What We Build

Every family needs more space for different reasons, so we build a wide range of additions and design each one around how you actually live. Whether you need one more bedroom, a bigger kitchen, a private primary suite, or a whole second floor, a seasoned home addition builder ties the new space into your existing structure, drainage, and finishes as one connected project. Popular home additions in Austin include:

  • Room additions and bedroom additions
  • Primary suite additions with a bathroom and closet
  • Kitchen, dining, and living room expansions
  • Second story additions that double your footprint
  • Sunrooms and screen rooms for indoor and outdoor living
  • Garage conversions and accessory dwelling units (ADUs)

No two additions are the same, so we design yours from scratch instead of forcing it into a template. On the first visit we look at your lot, your existing floor plan, and how water drains around the house, then we bring back a plan and a firm price. That kind of up front clarity is a big reason Austin homeowners trust us with a project this size.

A Home Addition Process Built Around You

We start with a consultation to understand your goals and budget, then move into design and engineering, permitting, construction, and finish work. Throughout the build we keep the rest of your home clean and livable, seal off the work area, and stay on schedule so you are never left guessing. Because we self perform the framing, mechanicals, and finishes, the project stays coordinated from the first day to the last. One point of contact means fewer surprises, cleaner scheduling, and a finished addition that matches the plan we agreed on, not a watered down version of it.

Home additions in Austin built by Brentwood Homecraft
A home addition designed to grow with the family.

Additions That Match Your Existing Home

The best home addition is the one nobody can tell is an addition. We match the roofline, siding, brick, and trim of your existing house, tie the new foundation into the old one correctly, and carry your finishes through so the space feels original. If your exterior needs a refresh to tie it all together, we can handle that too as part of our exterior remodeling work.

Finished room addition blending with an existing Austin home
A finished addition that blends seamlessly with the original home.

Permits, Foundations, and Building to Austin Code

A real home addition is a structural project, not a cosmetic one, so we do it by the book. We pull the permits, work with engineers on the foundation and framing, and build to code with every inspection along the way. Austin has its own permitting and review timeline through the City of Austin Development Services, and we manage that process for you so nothing stalls.

Home addition under construction and framed to code on an Austin house
Every addition is framed and inspected to Austin code.

Do Home Additions Add Value in Austin?

In a market as strong as Austin, adding livable square footage is one of the most reliable ways to raise your home’s value while getting space you actually use today. A well built room addition or primary suite can return a large share of its cost at resale, and national Cost vs Value data consistently shows additions among the better performing remodeling projects. You get the benefit of the space now and the equity later.

New primary suite home addition on an Austin home
A new primary suite that adds space and long term value.

Why Austin Homeowners Choose Brentwood Homecraft

With more than 4,000 completed projects and over twelve years serving Austin, Round Rock, Cedar Park, Pflugerville, Georgetown, and the Hill Country, we handle design, permitting, structure, and finishes all under one roof. From home additions in Austin to interior remodeling, screen rooms, and full exterior work, every project gets the same hands on attention, and we keep you updated at every stage so you always know what is happening on your home and what comes next. You can read what neighbors are saying in our client reviews.

4,000+Projects Completed
12+Years in Austin
5★Google Rated

Ready to add on to your home?

Tell us about the space you need and we will help you plan a home addition in Austin that fits your house, your budget, and your timeline.

Request a Free Estimate

Frequently Asked Questions

How much does a home addition cost in Austin?

Cost depends on the size and type of addition, whether it is single or second story, and the finishes you choose. Because every home and lot is different, we provide a clear, line item estimate up front so you know exactly what your home addition in Austin will cost before any work begins.

Do I need a permit for a home addition in Austin?

Yes. Adding square footage requires permits and inspections through the City of Austin, and second story additions also need structural engineering. We handle the entire permitting process for you, so the project stays on schedule and fully to code.

How long does a home addition take?

A straightforward room addition often takes a couple of months once permits are issued, while larger primary suites or second story additions take longer. We give you a realistic timeline up front and keep your home livable throughout the build.

Can you match a new addition to the rest of my house?

Yes, and it is one of the things we care about most. We match your roofline, siding, brick, and trim, and we carry your interior finishes into the new space, so the addition looks like it was always part of the home instead of a bolt on.