The Builder's Guide to Spring Branch, TX: Finding the Perfect Lot in 2026

By the KC Custom Homes: Awarded 2024 and 2025 Grand Award Custom Builder by the Greater San Antonio Builders Association.

TL;DR: Spring Branch Land Essentials

• Location: Comal County along the 281 corridor, 30 to 45 minutes north of San Antonio.
• Permits: Handled by the Comal County Engineer’s Office via their online application portal.
• Lot Sizes: Typical minimums are 1 to 5+ acres to support private septic systems.
• 2026 Infrastructure: US 281 rehabilitation projects in the area are currently targeted for completion in 2026.
• Top Picks: Serenity Oaks, Windmill Ranch, and the 5 acre tracts in Centennial Ridge.

What are the zoning laws in Spring Branch TX?

Zoning in Spring Branch is determined by whether a lot sits within the city limits or the broader Comal County jurisdiction. Most local properties are governed by subdivision-specific deed restrictions rather than traditional municipal zoning codes.

• City Jurisdiction: Properties inside city limits follow the City of Spring Branch subdivision regulations regarding platting and roads.
• County Oversight: Land in the Extraterritorial Jurisdiction (ETJ) requires coordination with the Comal County Engineer's Office.
• HOA Power: Private CC&Rs often dictate architectural styles and outbuilding limits.
• Process Guide: Learn how these rules impact our custom home building process.

How much does land cost in Spring Branch?

Projected market trends for 2026 suggest that buildable lots may range from $120,000 in established areas to over $600,000 for premium acreage. We generally recommend prospective buyers plan for a starting budget of $200,000 for a one acre lot with basic utility access.

• Entry Level ($120k to $200k): Found in neighborhoods like Cypress Cove or older sections of Spring Branch.
• Mid-Range ($200k to $400k): Typical for 1 to 3 acre sites in gated communities like Serenity Oaks.
• Luxury/Ranch ($400k+): Premium 10+ acre tracts with Guadalupe River frontage or significant elevation.
• Estimates: Contact us for a land evaluation quote to determine site feasibility.

Do I need a permit to build in Comal County?

Yes, you must secure multiple permits from the Comal County Engineer’s Office before any construction or site clearing begins. These essential documents include residential development permits, septic (OSSF) authorizations, and floodplain determinations.

• Online Portal: Comal County now offers an online application portal to submit information and fees.
• OSSF Permit: Required for septic systems; Comal County reviews soil tests and designs.
• Driveway/Culvert Permits: Necessary for road access, especially for county-managed roads.
• Environmental Review: Check the FEMA Flood Map Service Center for river-adjacent restrictions.
• Expert Support: Our team manages the primary Comal County building permit process for your project.

What are the septic requirements in Texas Hill Country?

Most lots in Spring Branch require an On-Site Sewage Facility (OSSF) designed specifically for the property's soil profile. These systems must strictly adhere to TCEQ septic requirements to protect the Edwards Aquifer.

• Soil Testing: A mandatory site evaluation determines if you need a conventional gravity or aerobic treatment system.
• Maintenance: Aerobic systems typically require an ongoing maintenance contract with quarterly inspections.
• Technical Advice: Read our full septic vs sewer guide for Hill Country buyers.
• Costs: Installation costs vary significantly based on topography and system type; recent projects have often ranged between $8,000 and $25,000+.

Which utilities are available in Spring Branch TX?

Utility availability varies by neighborhood and often includes a mix of private water, PEC electric, and GVTC fiber internet. Most rural properties rely on propane tanks for gas because natural gas lines are rarely extended into acreage developments.

• Water: Most properties use private wells or connect to Canyon Lake Water Supply Corporation (CLWSC).
• Electric: Pedernales Electric Cooperative (PEC) serves the majority of Spring Branch.
• Internet: GVTC offers fiber internet in many subdivisions, though coverage should be verified.
• Real-World Examples: See how we handle utility site prep in our portfolio gallery.

FAQ: People Also Ask

• What are the zoning laws in Spring Branch TX? Most areas are governed by Comal County and neighborhood deed restrictions rather than traditional city zoning.
• How much does land cost in Spring Branch? Average prices for buildable lots range from $150k to $400k in 2026.
• Do I need a permit to build in Comal County? Yes, residential development and OSSF permits are required before any construction begins.
• What school district is Spring Branch in? Most of the area is served by the highly rated Comal Independent School District.
• What are the septic requirements in Texas Hill Country? All systems must be engineered and permitted to TCEQ standards to protect groundwater.
• How far is Spring Branch from San Antonio? It is roughly a 30 to 45 minute drive north via US Highway 281.
• What is the minimum lot size in Spring Branch? Most custom home lots are at least 1 acre to accommodate septic systems.
• Which utilities are available in Spring Branch TX? PEC provides electric, while water is typically via a well or CLWSC connection.

About KC Custom Homes

With over 25 years of experience building throughout the Texas Hill Country, we have completed over 50 custom builds in Spring Branch alone. Our team has deep experience working with Comal County regulators and navigating complex Hill Country topography. As a winner of the 2024 and 2025 GSABA Grand Award, we bring recognized excellence to every project. Contact us to discuss your vision.