House Prices

House Prices & Home Values San Diego, TX 2026


Average Data

average house price$331,725
average size per house2078 ft²
average price per ft²160 $ / ft²

05/23/2026 - The value range (VR) for house prices in San Diego, TX is $168/ sqft to $168/ sqft. An average home with 2078 sqft costs approximately $349,104 to $349,104. San Diego, TX includes 1 ZIP codes and it is located in Duval county. The lowest prices are found in ZIP 78384, while the highest are in ZIP 78384. The average price per sqare feet is $160. Our analysis is based on 8 property listings.

Avergage prices by ZIP codes San Diego

78384178 $ / ft²




Historical development of home values in San Diego

Year Estimated value (USD) Change vs. 2025
2010 $154,059 -53.6%
2011 $148,102 -55.4%
2012 $147,703 -55.5%
2013 $153,224 -53.8%
2014 $160,843 -51.5%
2015 $169,098 -49.0%
2016 $177,922 -46.4%
2017 $187,525 -43.5%
2018 $197,893 -40.3%
2019 $207,069 -37.6%
2020 $217,773 -34.4%
2021 $247,694 -25.3%
2022 $288,755 -13.0%
2023 $304,506 -8.2%
2024 $322,122 -2.9%
2025 $331,725 0.0%

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



Example: 100% financing house in San Diego

Loan amount: $331,725

Interest rate: 6.00%

Fixed monthly payment: $1,988.86

Breakdown in the 1st month:
Interest portion: $1,658.63  –  Principal portion: $330.23

Yearly breakdown (100% financing)

Year Interest per year ($) Principal per year ($) Remaining balance at year-end ($)
1 $19,792.69 $4,073.62 $327,651.38
2 $19,541.43 $4,324.87 $323,326.50
3 $19,274.69 $4,591.62 $318,734.88
4 $18,991.48 $4,874.82 $313,860.06
5 $18,690.82 $5,175.49 $308,684.57
6 $18,371.60 $5,494.71 $303,189.86
7 $18,032.70 $5,833.61 $297,356.25
8 $17,672.90 $6,193.41 $291,162.84
9 $17,290.90 $6,575.41 $284,587.43
10 $16,885.34 $6,980.96 $277,606.47
11 $16,454.77 $7,411.53 $270,194.94
12 $15,997.65 $7,868.66 $262,326.28
13 $15,512.32 $8,353.98 $253,972.29
14 $14,997.07 $8,869.24 $245,103.05
15 $14,450.03 $9,416.27 $235,686.78
16 $13,869.26 $9,997.05 $225,689.73
17 $13,252.66 $10,613.65 $215,076.08
18 $12,598.04 $11,268.27 $203,807.81
19 $11,903.03 $11,963.27 $191,844.54
20 $11,165.17 $12,701.14 $179,143.40
21 $10,381.79 $13,484.52 $165,658.88
22 $9,550.09 $14,316.22 $151,342.66
23 $8,667.10 $15,199.21 $136,143.45
24 $7,729.64 $16,136.66 $120,006.78
25 $6,734.37 $17,131.94 $102,874.85
26 $5,677.71 $18,188.60 $84,686.25
27 $4,555.88 $19,310.43 $65,375.82
28 $3,364.85 $20,501.46 $44,874.36
29 $2,100.37 $21,765.94 $23,108.42
30 $757.89 $23,108.42 $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 Diego, TX


1500 sqft3900 sqft
Ø selling price$290,400$617,760
Ø fast selling$264,000$555,985
Ø high price sale$316,800$679,536

In 2026, houses in San Diego, TX will be offered at an average price of $160 per square foot. A 1,500 sqft home priced at $290,400 is 24.36% more expensive per square foot than a 3,900 sqft home priced at $617,760. Home prices in San Diego, TX vary significantly depending on the neighborhood and location. For a quick sale, a 2,700 sqft home should be listed at around $427,681. Sellers who can wait longer may achieve a higher price of up to $522,721.


Explore San Diego, TX

Discover the charm of San Diego, TX, a historic South Texas community known for ranching roots and a friendly small-town feel.

Location and History

Located in Duval County along Highway 44, San Diego, TX sits between Corpus Christi and Laredo for convenient regional access.
Founded in the 1800s, the town reflects a unique Tejano and ranching heritage visible in its architecture, traditions, and community events.
The surrounding South Texas Brush Country provides a scenic backdrop of mesquite and live oak rangeland.

Things to Do

Visitors enjoy local shops, home-style eateries, and seasonal celebrations that showcase authentic South Texas culture.
Outdoor enthusiasts can explore nearby ranches for hunting, birding, and wildlife photography, with mild winters ideal for weekend getaways.
Day trips to Corpus Christi beaches or Lake Corpus Christi add coastal recreation to a San Diego home base.

Living and Visiting

For families and businesses, San Diego, Texas offers affordable real estate, strong community ties, and access to regional job centers.
Local schools, churches, and civic organizations anchor daily life while small enterprises support the area?s agricultural economy.
Whether you are relocating, investing, or planning a visit, choosing San Diego, TX delivers genuine small-town hospitality with big South Texas advantages.



FAQ – Home Values in San Diego

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

In 2026, the typical home value in San Diego is about $331,725 for an average home size of 2078 square feet. This corresponds to an average price of roughly $160 per square foot.

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

In 2026, homes in San Diego sell for an average of around $160 per square foot, with a typical range between $168 and $168 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 Diego is about 2078 square feet, with an estimated 2026 value around $331,725.



Locations close to San Diego, TX

Sarita, TX275 $ / ft²
Sinton, TX144 $ / ft²
Skidmore, TX147 $ / ft²
Sandia, TX136 $ / ft²
Rockport, TX170 $ / ft²
Robstown, TX141 $ / ft²
  imprint  Privacy