House Prices

House Prices & Home Values San Marcos, TX 2026


Average Data

average house price$313,911
average size per house1831 ft²
average price per ft²172 $ / ft²

04/05/2026 - The value range (VR) for house prices in San Marcos, TX is $167/ sqft to $167/ sqft. An average home with 1831 sqft costs approximately $305,777 to $305,777. San Marcos, TX includes 1 ZIP codes and it is located in Guadalupe county. The lowest prices are found in ZIP 78666, while the highest are in ZIP 78666. The average price per sqare feet is $172. Our analysis is based on 22 property listings.

Avergage prices by ZIP codes San Marcos

78666152 $ / ft²




Historical development of home values in San Marcos

Year Estimated value (USD) Change vs. 2025
2010 $145,786 -53.6%
2011 $140,148 -55.4%
2012 $139,771 -55.5%
2013 $144,995 -53.8%
2014 $152,205 -51.5%
2015 $160,017 -49.0%
2016 $168,368 -46.4%
2017 $177,455 -43.5%
2018 $187,266 -40.3%
2019 $195,949 -37.6%
2020 $206,079 -34.4%
2021 $234,392 -25.3%
2022 $273,249 -13.0%
2023 $288,153 -8.2%
2024 $304,824 -2.9%
2025 $313,911 0.0%

Graph: estimated home values in San Marcos over time (USD)



Example: 100% financing house in San Marcos

Loan amount: $313,911

Interest rate: 6.00%

Fixed monthly payment: $1,882.06

Breakdown in the 1st month:
Interest portion: $1,569.56  –  Principal portion: $312.50

Yearly breakdown (100% financing)

Year Interest per year ($) Principal per year ($) Remaining balance at year-end ($)
1 $18,729.80 $3,854.86 $310,056.14
2 $18,492.04 $4,092.62 $305,963.51
3 $18,239.61 $4,345.05 $301,618.47
4 $17,971.62 $4,613.04 $297,005.42
5 $17,687.10 $4,897.56 $292,107.86
6 $17,385.03 $5,199.63 $286,908.23
7 $17,064.32 $5,520.34 $281,387.89
8 $16,723.84 $5,860.82 $275,527.07
9 $16,362.36 $6,222.30 $269,304.77
10 $15,978.58 $6,606.08 $262,698.70
11 $15,571.13 $7,013.53 $255,685.17
12 $15,138.55 $7,446.11 $248,239.06
13 $14,679.30 $7,905.37 $240,333.70
14 $14,191.71 $8,392.95 $231,940.75
15 $13,674.05 $8,910.61 $223,030.14
16 $13,124.46 $9,460.20 $213,569.94
17 $12,540.98 $10,043.68 $203,526.26
18 $11,921.51 $10,663.15 $192,863.11
19 $11,263.83 $11,320.83 $181,542.27
20 $10,565.58 $12,019.08 $169,523.20
21 $9,824.27 $12,760.39 $156,762.81
22 $9,037.24 $13,547.42 $143,215.39
23 $8,201.67 $14,383.00 $128,832.39
24 $7,314.55 $15,270.11 $113,562.29
25 $6,372.73 $16,211.93 $97,350.35
26 $5,372.81 $17,211.85 $80,138.50
27 $4,311.22 $18,273.44 $61,865.06
28 $3,184.15 $19,400.51 $42,464.56
29 $1,987.57 $20,597.09 $21,867.47
30 $717.19 $21,867.47 $0.00

Note: The calculation is based on a standard annuity mortgage with a fixed monthly payment over the entire term. Extra payments, interest rate changes, and additional purchase costs (e.g. taxes, notary fees) are not included.


How to sell in San Marcos, TX


1500 sqft3900 sqft
Ø selling price$312,180$664,092
Ø fast selling$283,800$597,683
Ø high price sale$340,560$730,502

In 2026, houses in San Marcos, TX will be offered at an average price of $172 per square foot. A 1,500 sqft home priced at $312,180 is 20.93% more expensive per square foot than a 3,900 sqft home priced at $664,092. Home prices in San Marcos, TX vary significantly depending on the neighborhood and location. For a quick sale, a 2,700 sqft home should be listed at around $459,757. Sellers who can wait longer may achieve a higher price of up to $561,925.


Discover San Marcos, TX

Located in Hays County along the I?35 corridor between Austin and San Antonio, San Marcos, TX blends Hill Country charm with urban convenience. Visitors and residents love its crystal-clear San Marcos River, year-round sunshine, and friendly college-town vibe.

River Adventures and Outdoor Attractions

From tubing, kayaking, and paddleboarding to spring-fed swimming at Spring Lake with glass-bottom boat tours, outdoor recreation defines San Marcos. Trails at Purgatory Creek Natural Area and nearby Hill Country parks offer hiking, birding, and sunset views.

Vibrant Downtown and Culture

Historic Downtown San Marcos features colorful murals, live music, and locally owned eateries, breweries, and coffee shops. Annual events and weekend markets create a walkable scene that supports artisans and a thriving nightlife.

Education, Shopping, and Location

Home to Texas State University, the city buzzes with research, arts, and Bobcat spirit that energize businesses and startups. Shoppers flock to the massive San Marcos Premium Outlets and nearby Tanger Outlets, while entrepreneurs value pro-business policies and a central Texas location.

Living and Visiting Tips

Housing ranges from student apartments to riverside neighborhoods, with easy I?35 commutes and regional bus connections. Plan your trip to San Marcos, Texas to experience clear-water adventures, unique shopping, and a welcoming community in the heart of the Hill Country.



FAQ – Home Values in San Marcos

What is the median home value in San Marcos in 2026?

In 2026, the typical home value in San Marcos is about $313,911 for an average home size of 1831 square feet. This corresponds to an average price of roughly $172 per square foot.

What is the average cost per square foot in San Marcos?

In 2026, homes in San Marcos sell for an average of around $172 per square foot, with a typical range between $167 and $167 per square foot, depending on the property’s location, condition, and lot size.

What is the average home size in ?

The average home size in San Marcos is about 1831 square feet, with an estimated 2026 value around $313,911.



Locations close to San Marcos, TX

Spicewood, TX189 $ / ft²
Staples, TX750 $ / ft²
Stonewall, TX726 $ / ft²
Round Rock, TX177 $ / ft²
Round Mountain, TX247 $ / ft²
Red Rock, TX217 $ / ft²




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