House Prices

House Prices & Home Values San Isidro, TX 2026


Average Data

average house price$192,925
average size per house1865 ft²
average price per ft²104 $ / ft²

05/23/2026 - The value range (VR) for house prices in San Isidro, TX is $85/ sqft to $85/ sqft. An average home with 1865 sqft costs approximately $158,525 to $158,525. San Isidro, TX includes 1 ZIP codes and it is located in Starr county. The lowest prices are found in ZIP 78588, while the highest are in ZIP 78588. The average price per sqare feet is $104. Our analysis is based on 76 property listings.

Avergage prices by ZIP codes San Isidro

7858878 $ / ft²




Historical development of home values in San Isidro

Year Estimated value (USD) Change vs. 2025
2010 $89,598 -53.6%
2011 $86,133 -55.4%
2012 $85,901 -55.5%
2013 $89,112 -53.8%
2014 $93,543 -51.5%
2015 $98,344 -49.0%
2016 $103,476 -46.4%
2017 $109,061 -43.5%
2018 $115,091 -40.3%
2019 $120,427 -37.6%
2020 $126,653 -34.4%
2021 $144,054 -25.3%
2022 $167,935 -13.0%
2023 $177,095 -8.2%
2024 $187,340 -2.9%
2025 $192,925 0.0%

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



Example: 100% financing house in San Isidro

Loan amount: $192,925

Interest rate: 6.00%

Fixed monthly payment: $1,156.68

Breakdown in the 1st month:
Interest portion: $964.63  –  Principal portion: $192.06

Yearly breakdown (100% financing)

Year Interest per year ($) Principal per year ($) Remaining balance at year-end ($)
1 $11,511.05 $2,369.14 $190,555.86
2 $11,364.93 $2,515.27 $188,040.59
3 $11,209.79 $2,670.40 $185,370.19
4 $11,045.09 $2,835.11 $182,535.09
5 $10,870.23 $3,009.97 $179,525.12
6 $10,684.58 $3,195.62 $176,329.50
7 $10,487.48 $3,392.72 $172,936.79
8 $10,278.22 $3,601.97 $169,334.81
9 $10,056.06 $3,824.13 $165,510.68
10 $9,820.20 $4,060.00 $161,450.68
11 $9,569.79 $4,310.41 $157,140.28
12 $9,303.93 $4,576.27 $152,564.01
13 $9,021.68 $4,858.52 $147,705.49
14 $8,722.01 $5,158.18 $142,547.31
15 $8,403.87 $5,476.33 $137,070.98
16 $8,066.10 $5,814.10 $131,256.89
17 $7,707.50 $6,172.70 $125,084.19
18 $7,326.78 $6,553.41 $118,530.78
19 $6,922.58 $6,957.61 $111,573.16
20 $6,493.45 $7,386.74 $104,186.42
21 $6,037.85 $7,842.34 $96,344.08
22 $5,554.15 $8,326.04 $88,018.03
23 $5,040.62 $8,839.57 $79,178.46
24 $4,495.41 $9,384.78 $69,793.68
25 $3,916.58 $9,963.61 $59,830.07
26 $3,302.05 $10,578.15 $49,251.92
27 $2,649.61 $11,230.58 $38,021.34
28 $1,956.93 $11,923.26 $26,098.08
29 $1,221.53 $12,658.66 $13,439.42
30 $440.77 $13,439.42 $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 Isidro, TX


1500 sqft3900 sqft
Ø selling price$188,761$401,545
Ø fast selling$171,600$361,390
Ø high price sale$205,921$441,699

In 2026, houses in San Isidro, TX will be offered at an average price of $104 per square foot. A 1,500 sqft home priced at $188,761 is 21.07% more expensive per square foot than a 3,900 sqft home priced at $401,545. Home prices in San Isidro, TX vary significantly depending on the neighborhood and location. For a quick sale, a 2,700 sqft home should be listed at around $277,992. Sellers who can wait longer may achieve a higher price of up to $339,768.


San Isidro, TX Travel & Living Guide

Overview

San Isidro, Texas is a small rural community in northeastern Starr County within the Rio Grande Valley of South Texas.

Location & Landscape

Known for its wide-open ranchlands and brush country scenery, San Isidro, TX offers a quiet pace near larger hubs like Rio Grande City and McAllen.

Travelers reach the area via regional highways that connect to US 281 and other South Texas routes, making it an easy countryside stop for road trips.

History & Culture

The community?s roots trace to ranching and early Tejano settlers, and that heritage still shapes local traditions, values, and land stewardship.

Seasonal events, church gatherings, and school activities bring residents together, reinforcing the town?s close-knit, family-first culture.

Schools & Community

Education is centered on the San Isidro Independent School District, a small district that serves students across a broad rural area.

Local athletics, academic programs, and bilingual education reflect the region?s South Texas character and commitment to opportunity.

Things to Do & Nature

Outdoors enthusiasts enjoy birding, wildlife viewing, and scenic drives across mesquite and cactus-dotted rangeland, with mild winters ideal for time outside.

Living & Practical Info

Housing in San Isidro, Texas leans toward ranch homes and acreage properties, appealing to buyers seeking space, privacy, and starry skies.

Whether you?re researching relocation, planning a day trip, or exploring Rio Grande Valley history, San Isidro delivers authentic small-town South Texas life.



FAQ – Home Values in San Isidro

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

In 2026, the typical home value in San Isidro is about $192,925 for an average home size of 1865 square feet. This corresponds to an average price of roughly $104 per square foot.

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

In 2026, homes in San Isidro sell for an average of around $104 per square foot, with a typical range between $85 and $85 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 Isidro is about 1865 square feet, with an estimated 2026 value around $192,925.



Locations close to San Isidro, TX

San Juan, TX110 $ / ft²
San Perlita, TX66 $ / ft²
Santa Elena, TX160 $ / ft²
San Benito, TX102 $ / ft²
Salineno, TX92 $ / ft²
Roma, TX83 $ / ft²




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