Home Additions in Austin, TX
If your home is starting to feel too small, a home addition can give you the extra space you need without moving. THA Construction & Remodeling builds room additions and home extensions for homeowners across Austin. From adding a new bedroom to expanding your living area, our team manages the project from planning to final construction so the new space blends naturally with the existing home.
What We Do
Room Additions
We build new bedrooms, offices, and living spaces that expand your home while matching the existing structure and layout.
Second Room Extensions
Expand kitchens, living rooms, or master suites to create more comfortable and functional space.
Garage Conversion Additions
Convert existing garage space into livable rooms such as guest suites, offices, or studios.
Custom Home Additions
Full structural additions designed to integrate with your home’s foundation, roofline, and exterior style.
Professional Home Addition Contractors in Austin
More space. Better layout. Built to match your home.
A home addition in Austin requires careful planning, structural work, and coordination with existing construction. The goal is not just adding space, but making the new area feel like it has always been part of the home. Our team works with homeowners who want to add bedrooms, expand living rooms, build home offices, or create guest suites. Every room addition begins with evaluating the current structure, foundation, utilities, and roofline so the new construction integrates properly with the existing home.
Austin homes often sit on slab foundations and require careful structural planning for expansions. Our home addition contractors focus on proper framing, roof connection, insulation, and exterior finishing so the addition looks seamless and performs well over time.
Homeowners also appreciate having clear information about home addition cost before construction begins. We explain the scope of work, timeline, and materials so you understand exactly how the project will move forward.
How It Works
Inquiry
Expert Consultation
Project Commissioning
Precision Execution
Service Areas
Areas We Serve in Austin
- Downtown Austin
- East Austin
- West Austin
- South Austin
- North Austin
- Austin Neighborhoods
Nearby Cities
- Pflugerville
- Round Rock
- Cedar Park
- Leander
- Georgetown
Why choose us?
High professionalism
Quality assurance
Fast execution
WHAT CLIENT’S SAY?
VIEW ALL REVIEWSTheir team installed custom black and walnut cabinetry, along with beautiful leathered quartzite countertops and a marble backsplash that completely transformed the space.
Not only was the craftsmanship top-tier, but the crew was incredibly friendly, professional, and easy to work with throughout the entire process. They communicated clearly, stayed on schedule, and delivered exactly what they promised—high-quality work with stunning results.
If you’re looking for a reliable remodeling company in Austin that specializes in custom cabinetry, high-end finishes, and detailed craftsmanship, I highly recommend THA Construction & Remodeling. My pantry and laundry room have never looked better!
The quality of their workmanship and attention to detail is an easy 5 stars. You can truly feel the difference their commitment to European quality materials makes, and their unique designs resulted in a space with real character.
The shower looks amazing and adds so much to our house, we look forward to working with THA for any projects in the future!
Benefits of Working With Our Home Addition Contractors
FAQ
Do home additions require permits in Austin?
Yes. Most structural additions require permits and inspections. Our team helps guide the process so construction meets local building requirements.
How much does a home addition cost in Austin?
The cost depends on the size of the addition, structural work required, and interior finishes. After inspecting your home, we provide a clear estimate for the project.
Can a room addition match the existing style of my home?
Yes, room additions are designed to blend seamlessly with your home’s layout, architecture, and exterior finishes so the new space looks original to the house.
What types of room additions do you build?
We build bedroom additions, living room expansions, home offices, guest suites, and other custom home extensions.
Will a room addition increase my home’s value?
A well-built room addition can significantly increase property value, especially additions like bathrooms, living rooms, and 4-season sunrooms that add functional living space.








