512-757-5515

Get an Estimate

Phone: 512-757-5515

Email: jackie@cstonetexas.com

5-Star Rated on Google

What We Do

Our Services

With over 20 years of experience in the construction industry, Cornerstone Building LLC proudly offers a full range of construction services across Seguin, LaVernia, Floresville, and the surrounding counties.

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VA Approved Builders

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Bonded and Insured

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Established 2016

What We Do

Our Services

With over 20 years of experience in the construction industry, Cornerstone Building LLC proudly offers a full range of construction services across Seguin, LaVernia, Floresville, and the surrounding counties.

N

VA Approved Builders

N

Bonded and Insured

N

Established 2016

Our Story

What We Build

From new custom builds to full renovations, Cornerstone Building brings the same level of care, craftsmanship, and clear communication to every project we take on. Whether it’s a ground-up custom home or a single room remodel, our goal stays the same — build it right

Custom Home Builder and General Contractor in Seguin, TX

New Construction

Custom Home Construction

From custom homes to barndominiums, we build houses designed around your lifestyle, your lot, and your budget.

Barndominiums

Site-Built Homes

Homes Built on Your Own Lot

Spec Homes (built on lots we own)

Whether you’re starting with raw land or your own building plans, we guide the process from concept to final walkthrough.

Custom Home Builder and General Contractor in Seguin, TX

Luxury Builds

Luxury Home Builds

High-end finishes, thoughtful design, and careful attention to every detail, done right from the ground up to the final walkthrough.

High-End Custom Finishes

Premium Material Selections

Detailed Interior Design Coordination

Statement Architectural Features

From flooring to fixtures, every selection is made with the same level of care as the build itself.

Custom Home Builder and General Contractor in Seguin, TX

Commercial Projects

Commercial Construction

Reliable commercial builds backed by decades of hands-on experience across large-scale residential and commercial projects.

New Commercial Builds

Tenant Improvements

Multifamily & Apartment Communities

Clubhouses & Community Spaces

Backed by experience overseeing large-scale commercial and multifamily projects, we bring that same discipline to every job site.

Custom Home Builder and General Contractor in Seguin, TX

Renovations & Remodeling

Home Renovations & Remodeling

Full home renovations that respect your space, your quality standards, and your project timeline.

Whole-Home Renovations

Room Additions

Interior & Exterior Updates

Structural Improvements

From a single room to a full renovation, we plan carefully so your home stays livable throughout the process.

Custom Home Builder and General Contractor in Seguin, TX

Kitchen & Bath

Kitchen & Bathroom Remodels

Functional, beautiful upgrades to the rooms your family uses every single day, built to last.

Full Kitchen Remodels

Bathroom Renovations

Cabinetry & Countertop Upgrades

Fixture & Layout Updates

We handle the details — from selections to finishes — so the result works as well as it looks.

Custom Home Builder and General Contractor in Seguin, TX

Owner’s Advocate

Owner’s Representative Services

An experienced advocate on your side, protecting your investment and interests from the first plan to the final walkthrough.

Budget Oversight

Contractor & Vendor Coordination

Site Visits & Progress Reviews

Project Timeline Management

We act as your eyes on the ground, making sure the project stays on track and on budget.

Custom Home Builder and General Contractor in Seguin, TX

Consulting Services

Construction Consulting

Trusted, honest guidance for homeowners and developers navigating budgeting, planning, and every major project decision along the way.

Feasibility Reviews

Budget & Planning Guidance

Site Evaluation Consulting

Financing Guidance

Whether you’re just getting started or stuck on a decision, we’re here to help you think it through.

Custom Home Builder and General Contractor in Seguin, TX

Pre-Construction Planning

Blueprint & Pre-Construction Planning

Solid, thorough planning that sets your project up for success long before the first nail is ever driven.

Blueprint Development

Site Evaluation & Feasibility

Zoning & HOA Coordination

Pre-Construction Scheduling

Careful planning up front means fewer surprises once construction begins. Solid, thorough planning that sets your project up for success long before the first nail is ever driven.