GTEX GENERAL CONTRACTING · SAN ANTONIO
San Antonio Garage
Conversion Contractors
More room to live. Right where you are.
Turn an underused garage into a home office, guest room, gym, or a place for everyone to gather. GTex plans and builds San Antonio garage conversions around the way you want to use the space. We can also include epoxy garage flooring as part of the finished project.
LET’S TALK ABOUT YOUR PROJECT
Insured & Bonded • $0 Down
Family-owned • In-house tradesmen
San Antonio · A completed GTex garage conversion
LET’S TALK ABOUT YOUR SPACE
The room you need
could already be here.
Tell us what you want your garage, attic, or basement to become. We’ll discuss the space, answer your questions, and help you plan the next step.
Request your free estimate
$0 down. Every job.
No up-front payment on every GTex project.
Garage conversion + epoxy flooring
A real GTex before-and-after showing an unfinished garage transformed with a finished epoxy floor, lighting, cooling, ventilation, and completed interior finishes.
REAL GTEX WORK
A garage.
A whole new possibility.
Four views of a completed GTex garage conversion in San Antonio 78217. Dark walls, wood-look flooring, and carefully placed light give this room its own character.
Connected to the home
Glass doors connect the finished room to the home beyond.
Room to make your own
An open floor area, white trim, and recessed lighting create a flexible room.
A finished exterior
Wood cladding and four rectangular windows finish the former garage opening.
Light, color & comfort
Dark walls, small windows, and a ceiling fan give the interior a cohesive feel.
Have another underused space? Explore our attic conversion work below →
See more completed work in the GTex project portfolio →.
MAKE YOUR SPACE WORK HARDER
One unused space.
Many ways to live.
Home offices
Create separation for focused work, with lighting, outlet placement, storage, and room layout planned around your day.
Guest rooms & bedrooms
Plan a comfortable place to stay, considering privacy, storage, access, heating and cooling, and the requirements for the intended use.
Game rooms & family spaces
Make room for gathering, hobbies, or a game table. We help connect the new space to the way your household already lives.
Home gyms
Plan floor space, equipment placement, lighting, ventilation, and electrical needs before deciding on finishes.
Attic conversions
Explore the potential above your living space. Layout, ceiling height, access, structure, and comfort all shape what is practical.
Basement renovations
Where a home has a basement, start with existing conditions, moisture, access, and the intended use before planning a finished room.
Considering a guest suite or rental use? Discuss the proposed use at the start so property restrictions, access, parking, and any approval requirements can be reviewed before the scope is finalized.
We plan the details together: framing and insulation, electrical and lighting, plumbing when needed, flooring, windows and ventilation, drywall, paint, trim, and the finishes included in your written scope. For garage floors, epoxy flooring can be included as a durable finished surface.
ANOTHER WAY TO CREATE SPACE
Attic conversion.
A different kind of potential.
These photographs show GTex’s attic conversion in San Antonio 78249. Sloped ceilings, built-in storage, finished flooring, and compact steps make use of the space beneath the roof.
THE GTEX DIFFERENCE
Confidence from day one.
Established experience. An in-house team. Clear commitments.
20+ years of experience
Residential remodeling, with real GTex craftsmanship.
Insured & Bonded
Confidence in the team working in your home.
In-House Team
Full-time tradesmen. No subcontractors.
Labor Warranty
One-year minimum, with coverage up to two years based on project scope.
THE GTEX APPROACH
A clear plan.
A team you can trust.
A conversion begins with the space you already have. GTex is a locally owned, family-operated company with more than 20 years of residential remodeling experience. Our full-time, in-house tradesmen handle the work without subcontractors. We connect your room plans with the existing structure, explain the proposed scope, and keep you informed as the work moves forward.
A professional experience on a garage project. In her Google review, Shauna Salinas praises the work Ryan and his crew completed on her garage and describes the team as professional and easy to work with.
Summary of a Google review. Read GTex’s Google reviews →
01 / Walk the space
Tell us how you want to use the room. We review the existing layout, access, visible conditions, and your priorities.
02 / Define the scope
Work through the layout, required improvements, finish selections, budget, and the approvals relevant to the proposed use.
03 / Build with care
Our in-house tradesmen carry out the agreed work, from framing and utility changes through flooring, lighting, and finishing details.
04 / Final walkthrough
We review the completed work with you. Every project includes a minimum one-year labor warranty, with coverage extending up to two years based on the scope of work.
EXPERIENCES ACROSS GTEX PROJECTS
Trust is built
one home at a time.
“Ryan was very helpful and answered all of my questions about building a home addition.
Definitely the best remodeling company in San Antonio!”
“We reached out to dozens of contractors and ultimately decided to go with GTex to rebuild and restore our home. It was the best decision we could have made because GTex rebuilt our home into something out of our dreams.“
“I can’t recommend Ryan Gabriel and the GTex team enough. As an architect for 20 yrs, I’ve worked through many house remodels and new construction builds. I was prepared for a lengthy and complicated experience, full of surprise expenses – that’s the norm for many homeowners at this point. GTex was exactly the opposite, and I’m so thrilled that I worked with them for our home remodel.“
PLAN WITH CONFIDENCE
A clear estimate.
No guessing.
Garage conversion costs depend on the room size, existing slab and structure, insulation, heating and cooling, windows and doors, electrical work, plumbing, and finish selections.
$0 Down on Every Job
No up-front payment.
We provide a written estimate around the agreed scope and help you distinguish essential improvements from optional upgrades.
CLOSE TO HOME
Serving San Antonio
& nearby communities.
San Antonio · Alamo Heights · Helotes · Schertz · Cibolo · Boerne · Bulverde · Castle Hills · Converse · Live Oak · Universal City · Windcrest
We also consider projects in surrounding communities within our service area. Contact us to confirm availability for your address.
Need more than a conversion? Explore home additions, kitchen remodeling, bathroom remodeling, and whole-home remodeling. See all GTex services.
BEFORE YOU START
Your conversion questions,
answered.
That depends on the existing garage, your intended use, and requirements that apply to the property. We start by discussing the structure, slab, access, utilities, insulation, and room layout before defining the project.
Common goals include a home office, guest room, extra bedroom, gym, game room, or expanded family living area. A suite with a bathroom or cooking facilities needs additional planning around utilities and the proposed use.
A bathroom may be part of the scope, depending on the existing conditions and layout. Plumbing access, drainage, space, and finish selections affect feasibility and cost. We review those details before including the work in your estimate.
Requirements depend on the property address, proposed work, and intended use. Discuss any HOA restrictions, parking concerns, or planned rental use during the initial consultation so the relevant requirements can be reviewed before construction.
The estimate depends on the room size, existing structure and slab, insulation, heating and cooling, windows, electrical, plumbing, and finishes. We prepare a written scope and estimate for your space and the work involved.
Timing depends on the scope, required approvals, materials, utility changes, and conditions uncovered during the work. GTex discusses the project schedule during planning and communicates changes as the work progresses.
That depends on access, the work area, and any interruptions to utilities or shared spaces. We discuss household routines and construction logistics before work starts so you can plan around the project.
Yes. We help coordinate flooring, trim, paint, doors, lighting, and the exterior treatment with your home and your preferences. The plan should make the converted space feel intentional and connected.
Yes. GTex also offers attic conversions and basement renovations where the existing space is suitable. Attic work requires particular attention to structure, headroom, access, and comfort. Basement planning begins with existing conditions, including moisture and access.
The effect on value depends on the property, quality of the work, how the space is recognized, and the local market. We focus on the room’s usefulness and your goals; we do not promise a specific appraisal increase or investment return.
GTex uses full-time, in-house tradesmen. No subcontractors. GTex is Insured & Bonded, with more than 20 years of residential remodeling experience.
Every project includes a minimum one-year labor warranty, with coverage extending up to two years based on the scope of work.
Use the estimate form on this page or call (210) 902-1027. Tell us what space you want to convert, how you want to use it, and where the property is located.
PLAN YOUR NEXT STEP
Ideas for making
more of your home.
Put your unused space to work.
Tell us what you have in mind. Start with a free, written estimate.