Licensed & Insured | Free Estimates | San Antonio & Surrounding Areas
Licensed & Insured General Contractor
Serving San Antonio and Surrounding Areas

At CANASA LLC, we specialize in custom home additions and extensions that enhance both the space and value of your home. Whether you’re adding a new room, expanding your living area, or building onto your existing structure, our team delivers high-quality construction with attention to detail and structural integrity.
As a San Antonio-based, family-founded, women-led construction company, we bring disciplined project management, clear communication, and a commitment to excellence to every project.
Our goal is to ensure your addition blends seamlessly with your existing home—both structurally and visually—while delivering the functionality your family needs.



Add bedrooms, offices, or living spaces designed to match your home’s existing style.

Expand vertically with structurally sound second-story construction.

Open up your home with extended kitchens, living rooms, and open-concept layouts.

Transform or expand garage spaces into functional living areas.
We provide home addition services throughout San Antonio, Boerne, Helotes, and surrounding communities.



We ensure every addition is built to meet structural standards and long-term durability.

Your addition will match your home’s existing architecture and aesthetic.

We coordinate every phase of construction for efficiency and clarity.

We operate with transparency, accountability, and clear communication throughout your project.

We evaluate your space, goals, and project feasibility.
We coordinate layouts, materials, and project timelines.
Our team executes the build with precision and disciplined oversight.
We ensure every detail is complete and meets both our standards and yours.

View examples of how CANASA has expanded and transformed homes across San Antonio with high-quality additions and extensions.

Whether you're adding space for your growing family or increasing your home’s value, CANASA delivers the craftsmanship and professionalism your project deserves.
Most home additions in San Antonio take between 2 to 6 months depending on size and complexity. We streamline the process by handling design, permits, scheduling, and construction to minimize delays.
Yes. Adding space is one of the most effective ways to increase your home’s value. Projects like additional bedrooms, bathrooms, and expanded living areas can significantly improve both functionality and resale potential.
Absolutely. We design and build additions that blend seamlessly with your home by matching rooflines, materials, finishes, and layout. The goal is a space that looks like it was always part of the original structure.

CANASA LLC
San Antonio, Texas
Phone: 210-201-3353
Email: [email protected]
San Antonio
Alamo Heights
Stone Oak
Helotes
Boerne
New Braunfels
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