Mansions for Sale in San Marcos, TX

3 active mansions in San Marcos, TX from $939,000 · The median list price in San Marcos is $335,000.

Live data — verified active on October 3, 2026. A home is listed here when it is 5,000 sq ft or larger and priced at $800,000 or more.

761 Allison LN
Motivated SellerEstimated by HomeLocating
$4,250,000

761 Allison LN, San Marcos TX 78666

MLS #208861180 · Keller Williams Realty · James Walker

8 bd·9.5 ba·8,600 sqft
1951 Bridlewood Ranches DR
Motivated SellerEstimated by HomeLocating
$3,450,000

1951 Bridlewood Ranches DR, San Marcos TX 78666

MLS #235758914 · Keller Williams Wimberley · Debbie Donaldson

6 bd·6 ba·6,433 sqft
1000 Advance #2 ST
Motivated SellerEstimated by HomeLocating
$939,000

1000 Advance #2 ST, San Marcos TX 78666

MLS #227216722 · Keller Williams Realty · Adrianne Craft

9 bd·6 ba·5,548 sqft

Nearby Mansions (within 10 miles)

3 mansions in nearby cities within 10 miles of San Marcos, TX — not included in the San Marcos count above. Each home shows its own city.

1024 spanish TRL
$2,945,000

1024 spanish TRL, New Braunfels TX 78132

MLS #246912899 · Hammer Real Estate Company · Derrik Hammer

6 bd·6 ba·9,220 sqft
303 Lavaca DR
Price CutEstimated by HomeLocatingNew Construction
$1,039,900

303 Lavaca DR, Kyle TX 78640

MLS #244773110 · HomesUSA.com · Ben Caballero

5 bd·5.5 ba·5,054 sqft
Quick Move-In
152 Dawn DR
Motivated SellerEstimated by HomeLocatingNew Construction
$1,100,000

152 Dawn DR, Kyle TX 78640

MLS #240474109 · HomesUSA.com · Ben Caballero

5 bd·5.5 ba·5,202 sqft
Quick Move-In

About Mansions in San Marcos, TX

This page lists mansions for sale in San Marcos. "Mansion" has no official definition, so here it is a plain, objective one: an active listing of 5,000 square feet or more that is also priced at $800,000 or more. The same rule applies in every city, and the list comes from live MLS data, updated daily. Every home here is also part of the luxury homes tier.

Buying a Large Luxury Home in San Marcos

Large homes carry larger numbers — financing above the conforming loan limit is usually a jumbo loan, so talk with a licensed lender early. Square footage in a listing is the seller-reported or public-record figure and can differ from an appraiser's measurement, so verify it. A thorough inspection of systems, roof, and foundation, plus a careful look at property taxes, insurance, and upkeep costs, gives a fuller picture than the list price. A licensed REALTOR® can walk through recent large-home sales in San Marcos.

Frequently Asked Questions

How does a home get listed as a mansion?

A home is shown when it is 5,000 square feet or more and priced at $800,000 or more, per the MLS listing. It is an objective size-and-price rule, not a judgment about a property.

How accurate is the square footage?

It is the figure in the MLS listing — from the seller, builder, or public records — and can differ from an appraisal. Verify it during your inspection and appraisal.

Are mansions also listed as luxury homes?

Yes. Every home here is priced at $800,000 or more, so it also appears on the luxury homes page.

How often is this list updated?

Daily, from live MLS data. A home leaves the list when it goes under contract, sells, or no longer matches.

Explore Mansions in other cities

Jump to another city’s page — a few homes from each.

Mansions in Kyle, TX →
152 Dawn DR
Motivated SellerEstimated by HomeLocatingNew Construction
$1,100,000

152 Dawn DR, Kyle TX 78640

MLS #240474109 · HomesUSA.com · Ben Caballero

5 bd·5.5 ba·5,202 sqft
Quick Move-In
303 Lavaca DR
Price CutEstimated by HomeLocatingNew Construction
$1,039,900

303 Lavaca DR, Kyle TX 78640

MLS #244773110 · HomesUSA.com · Ben Caballero

5 bd·5.5 ba·5,054 sqft
Quick Move-In
Mansions in New Braunfels, TX →
1024 spanish TRL
$2,945,000

1024 spanish TRL, New Braunfels TX 78132

MLS #246912899 · Hammer Real Estate Company · Derrik Hammer

6 bd·6 ba·9,220 sqft
436 Lakeview BLVD
Price CutEstimated by HomeLocating
$2,799,900

436 Lakeview BLVD, New Braunfels TX 78130

MLS #246283996 · Keller Williams Heritage · Frank Baker

5 bd·3.5 ba·5,176 sqft
359 Ash Juniper DR
$2,250,000

359 Ash Juniper DR, New Braunfels TX 78132

MLS #245582419 · Redfin Corporation · Steven Sawyer

6 bd·5 ba·5,478 sqft
New construction in San Marcos →Move-in-ready homes in San Marcos →San Marcos communities →

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