Homes Under $400K in San Marcos, TX

263 active homes under $400k in San Marcos, TX · The median list price in San Marcos is $335,000.

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Motivated Seller

$325,000

3113 Brand Iron DR, San Marcos TX 78666

MLS #244443116 · Four22 Realty Group, Limited L · Lisa Waltke

3 bd·2 ba·1,797 sqft

Motivated Seller

$384,900

634 Irvin DR, San Marcos TX 78666

MLS #234286910 · Keller Williams Realty Lone St · Ashley Brinkoeter

4 bd·3.5 ba·2,645 sqft

$224,900

1174 Esplanade PKWY, San Marcos TX 78666

MLS #244467197 · Pure Realty · Orlando Solis

3 bd·2 ba·1,102 sqft

$240,000

724 Adler WAY, San Marcos TX 78666

MLS #244488632 · The Real Estate Central · Charles Long

4 bd·2.5 ba·1,831 sqft

Motivated SellerNew Construction

$265,999

105 El Mirage RD, San Marcos TX 78666

MLS #242337756 · Keller Williams City-View · Christopher Marti

4 bd·2 ba·2,014 sqft

Quick Move-In

Motivated SellerNew Construction

$299,999

109 El Mirage RD, San Marcos TX 78666

MLS #242338647 · Keller Williams City-View · Christopher Marti

4 bd·3 ba·2,669 sqft

Quick Move-In

Motivated Seller

$294,990

116 Hazy View RD, San Marcos TX 78666

MLS #244078351 · DRB Group Realty, LLC · Chaquia Thomas

3 bd·2 ba·1,809 sqft

$245,000

1058 Sand Post PL, San Marcos TX 78666

MLS #244545678 · All City Real Estate Ltd. Co · Samuel Samaniego

2 bd·2.5 ba·1,194 sqft

Motivated SellerNew Construction

$239,999

1633 Iron Truss RD, San Marcos TX 78666

MLS #244124486 · Keller Williams City-View · Christopher Marti

4 bd·2 ba·2,193 sqft

Quick Move-In

Motivated SellerNew Construction

$178,999

340 Navidad River DR, San Marcos TX 78666

MLS #244126082 · Keller Williams City-View · Christopher Marti

3 bd·2 ba·1,380 sqft

Quick Move-In

$374,900

123 White Dunes DR, San Marcos TX 78656

MLS #241508434 · Real Broker, LLC · LEAH Yang

5 bd·3.5 ba·2,788 sqft

Motivated SellerNew Construction

$177,999

328 Navidad River DR, San Marcos TX 78666

MLS #243823838 · Keller Williams City-View · Christopher Marti

3 bd·2 ba·1,380 sqft

Quick Move-In

Assumable Loan

$315,000

319 William Moon WAY, San Marcos TX 78666

MLS #240664619 · Orchard Brokerage · Jody Faulkner

3 bd·2.5 ba·2,367 sqft

Motivated Seller

$359,900

121 Pincea PL, San Marcos TX 78666

MLS #242926417 · eXp Realty, LLC · Jason Van Note

3 bd·2 ba·1,942 sqft

Motivated Seller

$397,000

434 Stagecoach TRL, San Marcos TX 78666

MLS #238350565 · The Damron Group REALTORS · Linda Jalufka

3 bd·2.5 ba·2,323 sqft

Motivated Seller

$215,000

131 Spiny Lizard LN, San Marcos TX 78666

MLS #243337637 · Nu Edge Realty · Marlena Fitts

3 bd·2.5 ba·1,534 sqft

Motivated SellerNew Construction

$279,999

116 El Mirage RD, San Marcos TX 78666

MLS #244124475 · Keller Williams City-View · Christopher Marti

4 bd·3 ba·2,314 sqft

Quick Move-In

Motivated Seller

$199,999

743 Oak MDWS, San Marcos TX 78666

MLS #242692166 · SMART LINK REALTY · Crystal Rivas

3 bd·2 ba·1,120 sqft

Motivated Seller

$239,500

309 Ellis ST, San Marcos TX 78666

MLS #244673123 · Century 21 Randall Morris & As · Andy Gallegos

3 bd·2 ba·1,396 sqft

Motivated Seller

$369,900

416 Stagecoach TRL, San Marcos TX 78666

MLS #240270244 · Orchard Brokerage · Lauren Szekelyhidi

4 bd·2.5 ba·2,468 sqft

$264,900

233 NEW HAMPTON WAY, San Marcos TX 78666

MLS #241368735 · Keller Williams Realty · Ana Hernandez-Becerra

3 bd·2 ba·1,530 sqft

Motivated Seller

$169,999

421 W San Antonio ST #A2, San Marcos TX 78666

MLS #241637994 · Centex Realty Partners · Shelle Brewton

2 bd·1 ba·786 sqft

Motivated Seller

$330,000

2621 Deer Stand LOOP, San Marcos TX 78666

MLS #243982182 · Kelly Right Real Estate of Tex · Annie Flink

3 bd·2 ba·1,744 sqft

Motivated Seller

$249,900

151 Friendship Oak DR, San Marcos TX 78666

MLS #244213916 · Elite Realty Advisors · Chris Torrey

3 bd·2.5 ba·1,410 sqft

About Homes Under $400K in San Marcos, TX

Setting a price ceiling is one of the most useful ways to shop, and there are 263 homes for sale under $400K in San Marcos on the market right now, drawn from live MLS data — so you're seeing what's actually available in your range, not a stale list. How far a $400K budget goes depends on the San Marcos market, and the quickest gauge is the median list price shown above: when your ceiling is below the local median you're shopping the lower-priced end of the local market, and when it's near or above the median you're looking at a large share of what's available. Within a $400K budget you'll typically find a mix of property types — houses, condos, and townhomes, and in some areas newer construction — across different sizes, ages, and neighborhoods, so the trade-offs between them are where the real choice lives. You can filter the homes and houses for sale under $400K in San Marcos by beds, baths, and features to narrow the list, and open any listing for its full details and price history. Because HomeLocating is an independent home-search platform — not a national portal — you get a neutral, MLS-sourced view of what $400K actually buys in San Marcos today.

Buying a Home Under $400K in San Marcos

Shopping with a $400K ceiling in San Marcos works best when the number is real, so a few things are worth doing before you tour. Start with a lender: getting pre-approved tells you what you can actually borrow and what your monthly payment looks like at $400K, which is often different from a round budget in your head. Remember that the list price isn't the whole cost — property taxes, any HOA or MUD dues, and insurance all factor into what a home under $400K really costs each month, so it's worth looking at the full number. Within a fixed budget, the choice usually comes down to trade-offs: size, location and commute, the age and condition of the home, and new construction versus resale — deciding which of those matter most to you makes comparing homes far easier. And well-priced homes in a given range can move quickly, so knowing your criteria in advance helps you act when the right one appears. None of this is financial advice, and HomeLocating is not a lender — but it's what keeps a budget from being a guess. Through HomeLocating, you can get help finding and buying a home under $400K in San Marcos directly through the site. When you're ready, browse the listings above and reach out about any that interest you.

Frequently Asked Questions

How many homes are for sale under $400K in San Marcos?

It changes as new listings come on the market and others go under contract. The homes under $400K shown here for San Marcos are drawn from live MLS data, so the count reflects what's actually available right now — the current total is shown with the results above.

What kind of homes can I get under $400K in San Marcos?

It depends on how $400K compares to the local market — the median list price for San Marcos is shown above. Within that budget you'll generally find a mix of houses, condos, and townhomes, and in some areas newer construction, across a range of sizes, ages, and neighborhoods. Filtering by property type and features narrows it to what fits.

How does a $400K budget compare to the San Marcos market?

The simplest gauge is the median list price shown above. If $400K is below the San Marcos median, you're shopping the lower-priced end of the market; if it's near or above the median, your budget covers a large share of what's listed. The live count shows how many homes currently fall under $400K.

How do I know what I can actually afford?

List price is only part of it — your real budget depends on your financing plus property taxes, insurance, and any HOA or MUD dues. Getting pre-approved with a lender tells you what you can borrow and what the monthly payment would be at $400K, so the number is based on your situation rather than a guess.

Are these listings current?

Yes — the homes under $400K shown here are drawn from live MLS data, so you're seeing current listings rather than a stale or padded list. As an independent platform, the goal is an accurate, neutral view of the San Marcos market.

Can HomeLocating help me buy a home under $400K in San Marcos?

Yes. Through HomeLocating, you can get help comparing homes in your budget, understanding the full monthly cost, and handling the offer directly through the site — reach out about any of the listings above.