Custom Home Builders in San Marcos, TX
Building a custom home in San Marcos means designing for a university town — family neighborhoods away from campus, river-adjacent lots, and Hays County permitting.
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Why Custom Home Building in San Marcos Is Different
San Marcos is a university town (Texas State University) with two distinct housing markets: family neighborhoods away from campus and student-area housing near the university. Custom builds here mostly serve family neighborhoods, where buyers want a modern, open home near the San Marcos or Blanco River. River-adjacent lots may trigger floodplain considerations and higher foundation elevation. Hays County permitting applies to ETJ areas. Designs favor indoor-outdoor living and shaded outdoor spaces for the Texas heat.
Custom Home Building in San Marcos: What's Included
Ground-up custom home construction tailored to your vision — site work, foundation, framing, systems, and finishes managed end to end so your home is built right the first time.
- Design & architect coordination
- Site preparation & foundation
- Framing & structural systems
- Interior & exterior finishes
- Custom cabinetry & millwork
- Smart home & energy systems
- Landscaping coordination
- Warranty & ongoing support
Permitting & Local Notes for San Marcos
New custom homes in the San Marcos city limits go through the City of San Marcos Building Department — permitting typically runs 6 to 12 weeks. River-adjacent or floodplain lots may need elevation and floodplain review. ETJ areas fall to Hays County. We handle the full submission, engineering, floodplain coordination, and inspections.
How We Deliver Custom Home Building in San Marcos
Consultation & Design
We listen to your vision, review the site, and coordinate with your architect or our design partners.
Permitting
We submit complete plans and manage city review, engineering, and any site-plan requirements.
Construction
Foundation through finishes, with a fixed schedule, regular updates, and trusted licensed trades.
Walkthrough & Warranty
A detailed final walkthrough and a workmanship warranty backed by 369 Builders.