House Prices

House Prices & Home Values Castell, TX 2026


Average Data

average house price$650,000
average size per house2502 ft²
average price per ft²260 $ / ft²

05/23/2026 - The value range (VR) for house prices in Castell, TX is $400/ sqft to $400/ sqft. An average home with 2502 sqft costs approximately $1,000,800 to $1,000,800. Castell, TX includes 1 ZIP codes and it is located in Llano county. The lowest prices are found in ZIP 76831, while the highest are in ZIP 76831. The average price per sqare feet is $260. Our analysis is based on 5 property listings.

Avergage prices by ZIP codes Castell

76831420 $ / ft²




Historical development of home values in Castell

Year Estimated value (USD) Change vs. 2025
2010 $301,872 -53.6%
2011 $290,198 -55.4%
2012 $289,417 -55.5%
2013 $300,235 -53.8%
2014 $315,164 -51.5%
2015 $331,339 -49.0%
2016 $348,631 -46.4%
2017 $367,448 -43.5%
2018 $387,762 -40.3%
2019 $405,742 -37.6%
2020 $426,717 -34.4%
2021 $485,344 -25.3%
2022 $565,803 -13.0%
2023 $596,665 -8.2%
2024 $631,183 -2.9%
2025 $650,000 0.0%

Graph: estimated home values in Castell over time (USD)



Example: 100% financing house in Castell

Loan amount: $650,000

Interest rate: 6.00%

Fixed monthly payment: $3,897.08

Breakdown in the 1st month:
Interest portion: $3,250.00  –  Principal portion: $647.08

Yearly breakdown (100% financing)

Year Interest per year ($) Principal per year ($) Remaining balance at year-end ($)
1 $38,782.86 $7,982.08 $642,017.92
2 $38,290.55 $8,474.39 $633,543.53
3 $37,767.87 $8,997.08 $624,546.46
4 $37,212.95 $9,552.00 $614,994.46
5 $36,623.80 $10,141.14 $604,853.32
6 $35,998.32 $10,766.62 $594,086.69
7 $35,334.25 $11,430.69 $582,656.01
8 $34,629.23 $12,135.71 $570,520.30
9 $33,880.73 $12,884.21 $557,636.09
10 $33,086.06 $13,678.88 $543,957.21
11 $32,242.38 $14,522.56 $529,434.65
12 $31,346.66 $15,418.28 $514,016.37
13 $30,395.69 $16,369.25 $497,647.12
14 $29,386.07 $17,378.87 $480,268.25
15 $28,314.18 $18,450.76 $461,817.49
16 $27,176.18 $19,588.76 $442,228.73
17 $25,967.99 $20,796.95 $421,431.77
18 $24,685.28 $22,079.66 $399,352.11
19 $23,323.45 $23,441.49 $375,910.62
20 $21,877.63 $24,887.31 $351,023.31
21 $20,342.64 $26,422.30 $324,601.01
22 $18,712.97 $28,051.97 $296,549.03
23 $16,982.78 $29,782.16 $266,766.87
24 $15,145.88 $31,619.06 $235,147.82
25 $13,195.69 $33,569.25 $201,578.57
26 $11,125.21 $35,639.73 $165,938.84
27 $8,927.03 $37,837.91 $128,100.93
28 $6,593.27 $40,171.67 $87,929.26
29 $4,115.57 $42,649.37 $45,279.89
30 $1,485.05 $45,279.89 $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 Castell, TX


1500 sqft3900 sqft
Ø selling price$471,901$1,003,861
Ø fast selling$429,001$903,475
Ø high price sale$514,801$1,104,246

In 2026, houses in Castell, TX will be offered at an average price of $260 per square foot. A 1,500 sqft home priced at $471,901 is 24.13% more expensive per square foot than a 3,900 sqft home priced at $1,003,861. Home prices in Castell, TX vary significantly depending on the neighborhood and location. For a quick sale, a 2,700 sqft home should be listed at around $694,980. Sellers who can wait longer may achieve a higher price of up to $849,421.

FAQ – Home Values in Castell

What is the median home value in Castell in 2026?

In 2026, the typical home value in Castell is about $650,000 for an average home size of 2502 square feet. This corresponds to an average price of roughly $260 per square foot.

What is the average cost per square foot in Castell?

In 2026, homes in Castell sell for an average of around $260 per square foot, with a typical range between $400 and $400 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 Castell is about 2502 square feet, with an estimated 2026 value around $650,000.



Locations close to Castell, TX

Cherokee, TX415 $ / ft²
Coleman, TX78 $ / ft²
Doole, TX424 $ / ft²
Burkett, TX237 $ / ft²
Brookesmith, TX218 $ / ft²
Brady, TX49 $ / ft²
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