Custom New Home Construction, Seguin TX

Cornerstone Building LLC offers custom home construction, remodels, renovations, and commercial projects in Seguin, TX. We specialize in luxury custom builds, design-build services, barndominiums, and whole-home renovations with hands-on attention to detail and clear communication.

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Owner-Led Construction

Hands-On Craftsmanship

Clear Communication

Residential & Commercial

Custom Design-Build Services

about us

Owner Arnie Garcia founded Cornerstone Building LLC on integrity, experience, and craftsmanship. With a background spanning residential, multifamily, and large-scale projects, Arnie built this company to deliver quality construction with a personal touch. We focus on clear communication and creating homes clients can be proud of for years to come.

Custom Home Construction in Boerne, TX

WHAT WE ARE BEST AT

OUR SERVICES

Custom Home Builder

Custom home builder in Seguin for luxury builds, design-build projects, and multifamily construction.

General Contractor

Custom home builder in Seguin for design-build, luxury construction, and owner representation.

Remodeling Contractor

Professional remodeling contractor in Seguin for renovations, additions, and custom remodels.

Kitchen remodeler in Seguin, TX offering custom cabinet and countertop installation plus design services.

Kitchen Remodeler

Custom New Home Construction

Custom new home construction in Seguin, TX. Design-build homes, luxury builds, and barndominiums from expert local builders. Get a free consultation today.

Multifamily Construction

Multifamily construction in Seguin, TX. Expert design-build apartments, townhomes, and mixed-use communities. Call today for your project consultation.

SEE WHY OUR CUSTOMERS LOVE US

see our WORK

in Boerne, TX
in Boerne, TX
in Boerne, TX
in Boerne, TX
in Boerne, TX
in Cibolo, TX
in Cibolo, TX
in Cibolo, TX
in Cibolo, TX
in Cibolo, TX

DISCOVER WHAT OUR CUSTOMERS HAVE TO SAY ABOUT US

frequently asked questions

What types of construction projects does Cornerstone Building LLC handle in San Antonio and surrounding areas?

We specialize in custom new home builds, multifamily construction, luxury homes, design-build projects, whole-home renovations, additions, kitchen and bathroom remodels, barndominiums, and commercial work throughout the San Antonio area and nearby cities like New Braunfels, Boerne, and Seguin.

Can Cornerstone Building help if my home needs major renovation or expansion work in the Boerne area?

Yes, we handle whole-home renovations, major additions, and expansions for homeowners in Boerne and surrounding communities. Contact us to discuss your project.

Do you offer design-build services for new construction projects?

Yes, we provide design-build new construction, which combines planning and building into one coordinated process. This approach keeps communication clear and your project on track.

What should I expect when working with Cornerstone Building LLC?

We focus on integrity, attention to detail, and hands-on communication from start to finish. You'll work directly with experienced professionals who are committed to creating projects you'll be proud of for years.

Does Cornerstone Building LLC serve Lockhart, Luling, and Seguin?

Yes, we serve Lockhart, Luling, Seguin, and many surrounding towns including San Marcos, Schertz, Universal City, Kingsbury, and more. Call us to discuss your project.

What is included in your project planning and preconstruction services?

We provide expert planning and preconstruction guidance to help you prepare your project for success. We'll work with you to clarify scope, process, and what comes next.

proudly serving these areas

  • Boerne, TX

  • Cibolo, TX

  • Floresville, TX

  • Gonzales, TX

  • Kingsbury, TX

  • Lavernia, TX

  • Lockhart, TX

  • Luling, TX

READY TO take the next step?

get a free quote TODAY!