
800 Barbara DR, San Marcos TX 78666
MLS #246474669 · Realty of America, LLC · Gisselle Alvarado-Martinez
155 active homes under $300k in San Marcos, TX · The median list price in San Marcos is $335,000.

800 Barbara DR, San Marcos TX 78666
MLS #246474669 · Realty of America, LLC · Gisselle Alvarado-Martinez

335 Navidad River DR, San Marcos TX 78666
MLS #246416173 · Keller Williams City-View · Christopher Marti

341 Navidad River DR, San Marcos TX 78666
MLS #246416175 · Keller Williams City-View · Christopher Marti

331 Navidad River DR, San Marcos TX 78666
MLS #246414665 · Keller Williams City-View · Christopher Marti

328 Trinity River HOLW, San Marcos TX 78666
MLS #246398685 · Keller Williams City-View · Christopher Marti

253 Elk Ave, San Marcos TX 78666
MLS #246390221 · ERA Experts · Matt Menard

606 Harmons WAY, San Marcos TX 78666
MLS #246309961 · The Damron Group REALTORS · Jodi Adams

820 Cardenas ST, San Marcos TX 78666
MLS #246223798 · ERA Experts · Matt Menard

246 Trestle Tree, San Marcos TX 78666
MLS #246232485 · Stoker Realty · Scott Stoker

133 Navidad River DR, San Marcos TX 78666
MLS #241151110 · Keller Williams City-View · Christopher Marti

805 Cardenas ST, San Marcos TX 78666
MLS #246186381 · ERA Experts · Matt Menard

1306 Alamo ST, San Marcos TX 78666
MLS #246038150 · Donald W Graham, Broker · Don Graham

324 Witchhazel WAY, San Marcos TX 78666
MLS #245992130 · Randol Vick, Broker · John Vick

337 Trinity River HOLW, San Marcos TX 78666
MLS #246005890 · Keller Williams City-View · Christopher Marti

325 Navidad River DR, San Marcos TX 78666
MLS #246005891 · Keller Williams City-View · Christopher Marti

345 Trinity River HOLW, San Marcos TX 78666
MLS #246007055 · Keller Williams City-View · Christopher Marti

349 Trinity River HOLW, San Marcos TX 78666
MLS #246007060 · Keller Williams City-View · Christopher Marti

1115 Sycamore ST, San Marcos TX 78666
MLS #245933457 · All City Real Estate Ltd. Co · Maria Mondragon

1422 Meadow PKWY, San Marcos TX 78666
MLS #245658792 · Keller Williams Realty · Kaley Watson

1064 Esplanade PKWY, San Marcos TX 78666
MLS #245676789 · JBGoodwin REALTORS WL · Kelly Witt

263 Rush HVN, San Marcos TX 78666
MLS #245595163 · Andrew Phillips, Broker · Andrew Phillips

105 Casita CV, San Marcos TX 78666
MLS #245597535 · Clark Real Estate Agency · Ricky Clark

421 W San Antonio ST #H3, San Marcos TX 78666
MLS #245590431 · All City Real Estate Ltd. Co · Sharon Burd

348 Navidad River DR, San Marcos TX 78666
MLS #245572497 · Keller Williams City-View · Christopher Marti
Setting a price ceiling is one of the most useful ways to shop, and there are 155 homes for sale under $300K 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 $300K 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 $300K 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 $300K 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 $300K actually buys in San Marcos today.
Shopping with a $300K 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 $300K, 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 $300K 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 $300K in San Marcos directly through the site. When you're ready, browse the listings above and reach out about any that interest you.
It changes as new listings come on the market and others go under contract. The homes under $300K 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.
It depends on how $300K 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.
The simplest gauge is the median list price shown above. If $300K 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 $300K.
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 $300K, so the number is based on your situation rather than a guess.
Yes — the homes under $300K 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.
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.
Jump to another city’s page — a few homes from each.

110 Belinda LN, Kyle TX 78640
MLS #247859578 · DEN Property Group · Maricela Delgado Jaimes

180 Quail Ridge DR, Kyle TX 78640
MLS #247859685 · eXp Realty, LLC · Lauran Hernandez

140 Texas Palmetto CIR, Kyle TX 78640
MLS #247853820 · Spyglass Realty · John Hidrogo

364 Dakota CRK, New Braunfels TX 78130
MLS #247599592 · eXp Realty, LLC · Herman Fernandez

4136 Carraway ST, New Braunfels TX 78130
MLS #247480221 · All City Real Estate Ltd. Co · Laura Wiggins

3632 Space Cloud DR, New Braunfels TX 78130
MLS #247457221 · Bramlett Partners · Corrine Reynolds

387 Guemal RD, Buda TX 78610
MLS #247686893 · Spyglass Realty · Gentil Salazar

512 Eagle Brook LN, Buda TX 78610
MLS #247588917 · Listing Results, LLC · Jack McLemore

266 Willow City VLY, Buda TX 78610
MLS #247438759 · Keller Williams Realty · Jordan Moorhead
Builders in San Marcos compete on incentives more than on sticker price. How new-home pricing, buydowns, and closeout deals work here: