78666 Homes for Sale — San Marcos, TX

646

Active listings

$332,544.5

Median list price

$114,999–$4,250,000

Price range

78666 is a ZIP code in San Marcos, Texas. This page shows the current homes for sale in 78666 — 646 active listings right now, priced from $114,999–$4,250,000 with a median list price of $332,544.5 — built from live MLS data rather than a dated report, alongside the neighborhoods that make up the ZIP. Through HomeLocating, you can turn these numbers into a plan for a specific home in 78666 or a nearby ZIP in San Marcos.

Approximate 78666 boundary (U.S. Census ZCTA) — not an exact or official ZIP line.

Homes for Sale in 78666

Showing 25 of 405 active homes in 78666.

Motivated SellerNew Construction

$299,247

108 Blackfoot Daisy PATH, San Marcos TX 78666

MLS #241660976 · ERA Experts · Matt Menard

3 bd·2 ba·1,454 sqft

Motivated SellerNew Construction

$674,900

232 Knockout Rose DR, San Marcos TX 78666

MLS #244252161 · Perry Homes Realty, LLC · Lee Jones

4 bd·3.5 ba·3,411 sqft

Motivated Seller

$575,000

366 Arrow HL, San Marcos TX 78666

MLS #241516942 · House Hunters NB · Mercy Boatright-Wood

4 bd·3 ba·2,412 sqft

Price Cut

$245,000

249 Trestle Tree, San Marcos TX 78666

MLS #244794717 · Central Metro Realty · Jason Sousa

3 bd·2 ba·1,380 sqft

Motivated Seller

$319,990

120 Hazy View RD, San Marcos TX 78666

MLS #244824029 · DRB Group Realty, LLC · Chaquia Thomas

3 bd·2 ba·2,080 sqft

Motivated Seller

$774,000

228 Deertrail DR, San Marcos TX 78666

MLS #238991730 · Century 21 Randall Morris & As · Bryan Burke

5 bd·3 ba·2,885 sqft

Motivated Seller

$434,900

3119 Brand Iron DR, San Marcos TX 78666

MLS #240717524 · Canady Realty · Brent Canady

4 bd·3 ba·2,841 sqft

Motivated Seller

$2,699,000

2676 Post RD #A & B, San Marcos TX 78666

MLS #243058884 · eXp Realty, LLC · Melinda Suggs

4 bd·4 ba·4,157 sqft

Assumable Loan

$569,999

1336 Academy Oaks DR, San Marcos TX 78666

MLS #244200490 · Heart Of Austin Homes · Alyse Black

4 bd·3.5 ba·2,912 sqft

Motivated Seller

$649,900

123 Puppy Dog PASS, San Marcos TX 78666

MLS #240733825 · David Weekley Homes · Jimmy Rado

4 bd·3 ba·2,779 sqft

Price Cut

$824,990

140 Gustav LN, San Marcos TX 78666

MLS #243463956 · Keller Williams City-View · Christopher Marti

5 bd·3 ba·3,193 sqft

Motivated Seller

$254,999

436 Spiny Lizard LN, San Marcos TX 78666

MLS #243614058 · All City Real Estate Ltd. Co · Josh Chagoya

3 bd·2.5 ba·1,336 sqft

Motivated Seller

$515,000

116 Lambs Ear PATH, San Marcos TX 78666

MLS #243700402 · Keller Williams Realty · Olivia Connett

4 bd·3.5 ba·2,574 sqft

Price Cut

$420,000

1013-1015 Sagewood TRL #1013-1015, San Marcos TX 78666

MLS #244809164 · Great Locations Realty - SM · Richard Tarr

3 bd·2.5 ba·3,192 sqft

$374,900

105 Harborside DR #101, San Marcos TX 78666

MLS #244877851 · Realty Texas LLC · Ysolette Dailey

3 bd·2.5 ba·1,716 sqft

Price Cut

$790,000

125 Waving Muhly DR, San Marcos TX 78666

MLS #244883675 · Kuper Sotheby's Int'l Realty N · Amy Knight Black

3 bd·3.5 ba·2,559 sqft

Motivated Seller

$394,990

427 Fountain Grass DR, San Marcos TX 78666

MLS #230631747 · Ryan Matthews · Ryan Matthews

3 bd·2 ba·1,982 sqft

Motivated Seller

$424,990

108 Country Cat LN, San Marcos TX 78666

MLS #236279706 · Ryan Matthews · Ryan Matthews

4 bd·3 ba·2,204 sqft

Motivated Seller

$419,990

316 Puppy Dog PASS, San Marcos TX 78666

MLS #238945073 · Ryan Matthews · Ryan Matthews

3 bd·2 ba·1,964 sqft

Motivated Seller

$474,990

112 Teakmill TRL, San Marcos TX 78666

MLS #241023471 · Ryan Matthews · Ryan Matthews

4 bd·3.5 ba·2,558 sqft

Motivated Seller

$659,990

209 Missouri Primrose LN, San Marcos TX 78666

MLS #241117786 · Ryan Matthews · Ryan Matthews

4 bd·3.5 ba·2,818 sqft

Motivated Seller

$259,000

328 Fairfax Ave, San Marcos TX 78666

MLS #243494448 · Olive Fox Properties Group LLC · Esther Talley

3 bd·2 ba·1,319 sqft

Motivated Seller

$590,000

120 Wild Sage CV, San Marcos TX 78666

MLS #243908292 · Kuper Sotheby's Int'l Realty N · Amy Knight Black

2 bd·2 ba·2,266 sqft

Price Cut

$1,025,000

530 Cascade TRL, San Marcos TX 78666

MLS #244735795 · Keller Williams Wimberley · Alice Lebkuecher

3 bd·3 ba·2,952 sqft

Motivated Seller

$215,000

217 Teron DR, San Marcos TX 78666

MLS #241707116 · Quest Real Estate · Tonnie Benn

3 bd·2 ba·1,160 sqft

78666 Market Trends — July 2026

Market data: Unlock MLS — Central Texas ZIP Code Scorecard, July 2026. Closed-sale figures — distinct from the live-listing numbers above.

Median sale price

$277,990-15% YoY

Sales — July 2026

87-4.4% YoY

Dominant price band

$250,000-$299,999

21 sales · avg 75 days on market

Share of sales $500K+

12.6%

Communities & Neighborhoods in 78666

78666 sits within San Marcos, Texas. Based on our real listing history, its neighborhoods and communities include Kissing Tree, River Bridge Ranch, La Cima, Blanco Vista, Cottonwood Creek, La Cima Ph 3 Sec A. The mix of neighborhoods inside a single ZIP can vary a lot in price and home type, so the median and range above are a starting point — the individual listings show what's actually available today.

Kissing Tree
River Bridge Ranch
La Cima
Blanco Vista
Cottonwood Creek
La Cima Ph 3 Sec A
WHISPER SOUTH
Whisper South
Thunder Rock
Alto
Castle Forest
Village At Springtown Condos
Vantage
Whisper Mixed Use Sub Ph 1A
High Branch
Trace
La Cima Ph 2 Sec A
Westover
Valley View Sub
La Cima Ph 2 Sec B
Bent Tree Condos
Sky Ridge
Millbrook Park Ph 2
Trace Sub Sec A Pa 1A Ph A-2
Summer Mountain Ranch Sec 2
Hills Of Hays Ph 1
La Cima Ph I Sec 1
Pecan Creek Condo
El Camino Real Ph 1 Sec 2
WHISPER

Schools

Homes in 78666 are served by SanMarcosCONSISD, HaysCONSISD, Marble Falls ISD, Navarro ISD and Wimberley ISD, based on our real listing data.

Frequently Asked Questions

What's the median home price in 78666?

The current median list price in 78666 is $332,544.5, drawn from live MLS listings — half the active homes are priced above it and half below. It reflects what's on the market now; the figure updates as listings change.

How many homes are for sale in 78666?

There are currently 646 active homes for sale in 78666, from live MLS data — priced from $114,999–$4,250,000. Inventory updates as new homes list and others go under contract.

Is 78666 a good market right now?

That depends on the signals rather than a single label: 646 homes are currently for sale in 78666, and 49% of them have cut their price — a higher price-reduction share generally points to more buyer-friendly conditions, while a lower one points to a tighter market. This page shows the current indicators so you can judge for yourself; it isn't a forecast.

What neighborhoods are in 78666?

Based on our real listing history, 78666's neighborhoods include Kissing Tree, River Bridge Ranch, La Cima, Blanco Vista, Cottonwood Creek, La Cima Ph 3 Sec A. Neighborhood boundaries can extend across ZIP lines, so this reflects what's actually listed here rather than an exhaustive map.

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