House Prices

Onion Creek Austin, TX House Prices & Home Values 2026


Average Data

average house price$309,143
average size per house1836 ft²
average price per ft²168 $ / ft²

04/05/2026 - The value range (VR) for house prices in Onion Creek Austin, TX is $159.6/ sqft to $176.4/ sqft. An average home with 1836 sqft costs approximately $292,147 to $322,899. Austin, TX includes 1 ZIP codes and it is located in Travis county. The lowest prices are found in ZIP 78747, while the highest are in ZIP 78747. The average price per sqare feet is $168. Our analysis is based on 18 property listings.

Avergage prices by ZIP codes Onion Creek Austin

78747173 $ / ft²




Historical development of home values in Onion Creek Austin

Year Estimated value (USD) Change vs. 2025
2010 $143,572 -53.6%
2011 $138,020 -55.4%
2012 $137,648 -55.5%
2013 $142,793 -53.8%
2014 $149,893 -51.5%
2015 $157,586 -49.0%
2016 $165,810 -46.4%
2017 $174,760 -43.5%
2018 $184,421 -40.3%
2019 $192,973 -37.6%
2020 $202,949 -34.4%
2021 $230,832 -25.3%
2022 $269,098 -13.0%
2023 $283,777 -8.2%
2024 $300,194 -2.9%
2025 $309,143 0.0%

Graph: estimated home values in Onion Creek Austin over time (USD)



Example: 100% financing house in Onion Creek Austin

Loan amount: $309,143

Interest rate: 5.98%

Fixed monthly payment: $1,849.89

Breakdown in the 1st month:
Interest portion: $1,541.08  –  Principal portion: $308.81

Yearly breakdown (100% financing)

Year Interest per year ($) Principal per year ($) Remaining balance at year-end ($)
1 $18,389.62 $3,809.09 $305,333.91
2 $18,155.41 $4,043.30 $301,290.62
3 $17,906.80 $4,291.91 $296,998.71
4 $17,642.90 $4,555.81 $292,442.90
5 $17,362.77 $4,835.94 $287,606.96
6 $17,065.42 $5,133.29 $282,473.68
7 $16,749.79 $5,448.92 $277,024.76
8 $16,414.75 $5,783.96 $271,240.79
9 $16,059.11 $6,139.60 $265,101.19
10 $15,681.60 $6,517.11 $258,584.08
11 $15,280.87 $6,917.84 $251,666.24
12 $14,855.51 $7,343.20 $244,323.04
13 $14,404.00 $7,794.71 $236,528.33
14 $13,924.72 $8,273.99 $228,254.34
15 $13,415.97 $8,782.74 $219,471.60
16 $12,875.94 $9,322.77 $210,148.82
17 $12,302.70 $9,896.01 $200,252.82
18 $11,694.22 $10,504.49 $189,748.33
19 $11,048.32 $11,150.39 $178,597.94
20 $10,362.71 $11,836.00 $166,761.94
21 $9,634.94 $12,563.77 $154,198.18
22 $8,862.43 $13,336.28 $140,861.89
23 $8,042.41 $14,156.30 $126,705.60
24 $7,171.97 $15,026.74 $111,678.86
25 $6,248.01 $15,950.70 $95,728.16
26 $5,267.24 $16,931.47 $78,796.69
27 $4,226.16 $17,972.54 $60,824.15
28 $3,121.07 $19,077.63 $41,746.51
29 $1,948.04 $20,250.67 $21,495.84
30 $702.87 $21,495.84 $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 Onion Creek Austin, TX


1500 sqft3900 sqft
Ø selling price$304,006$646,703
Ø fast selling$276,369$582,032
Ø high price sale$331,643$711,373

In 2026, houses in Onion Creek Austin, TX will be offered at an average price of $168 per square foot. A 1,500 sqft home priced at $304,006 is 22.93% more expensive per square foot than a 3,900 sqft home priced at $646,703. Home prices in Onion Creek Austin, TX vary significantly depending on the property’s condition and exact location. For a quick sale, a 2,700 sqft home should be listed at around $447,717. Sellers who can wait longer may achieve a higher price of up to $547,210.


Onion Creek, Austin, TX Neighborhood Guide

Onion Creek in Austin, TX is a well-established golf course community celebrated for peaceful streets, mature trees, and timeless curb appeal. Buyers are drawn to its blend of classic Hill Country charm, convenient location, and access to resort-style amenities.

Location & Lifestyle

Situated in South Austin just off I-35, Onion Creek offers quick access to Downtown Austin, major employers, and Austin-Bergstrom International Airport.
Residents enjoy proximity to everyday conveniences like Southpark Meadows while still feeling tucked away in a serene, residential setting.

Real Estate & Homes for Sale

The neighborhood features spacious single-family homes, some on the fairways and others in gated enclaves, creating options for a range of lifestyles.
Those searching for homes for sale in Onion Creek Austin will find properties with large lots, established landscaping, and floor plans that emphasize comfort and entertaining.

Amenities & Recreation

Anchored by the private Onion Creek Club, the area offers access to championship golf, tennis, and social events through membership.
Outdoor lovers also appreciate nearby trails along Onion Creek and quick drives to McKinney Falls State Park for hiking, biking, and picnicking.

Schools & Commute

Onion Creek is served by Austin ISD, with many homes zoned to Blazier Elementary, Paredes Middle School, and Akins Early College High School.
Commuting is straightforward via I-35 and SH 45/130 connections, and the location shortens trips to tech corridors, shopping, and entertainment across Greater Austin.



FAQ – Home Values in Onion Creek Austin

What is the median home value in Onion Creek Austin in 2026?

In 2026, the typical home value in Onion Creek Austin is about $309,143 for an average home size of 1836 square feet. This corresponds to an average price of roughly $168 per square foot.

What is the average cost per square foot in Onion Creek Austin?

In 2026, homes in Onion Creek Austin sell for an average of around $168 per square foot, with a typical range between $159.6 and $176.4 per square foot, depending on the property’s location, condition, and lot size.

What is the average home size in Onion Creek?

The average home size in Onion Creek Austin is about 1836 square feet, with an estimated 2026 value around $309,143.



Neighborhoods close to Onion Creek Austin, TX

Hyde Park Austin, TX378 $ / ft²
Uvalde Estates Uvalde, TX104 $ / ft²
Canyon Oaks Concan, TX437 $ / ft²
River Place Austin, TX709 $ / ft²
Barton Creek Lakeside Spicewood, TX181 $ / ft²
The Hollows Leander, TX181 $ / ft²
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