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309 MCMILLIAN DR, LIBERTY HILL, TX 78642

LIBERTY HILL, 78642 — williamson County

4 bed3 bath2,524 sqftBuilt 2025

Property at a Glance

This home is estimated between $419,599 and $780,357, with a best estimate of $584,091. That places the property above the I111523B - LARIAT median of $507,860, in a neighborhood that appreciated 297.6% over the past year.

Estimated Value Range

$419,599 $780,357
Best Estimate
$584,091
WCAD Value
$807,221
Low Confidence

Based on 5 comparable properties(2 in the same subdivision)

There are 5 comparable properties within range, but few are in I111523B - LARIAT. The estimated range of $419,599 and $780,357 should be treated as a rough guide.

Comparable Properties (5)

309 YAKLIN DR, LIBERTY HILL, TX 78642
0.00 mi 100% similar Same subdivision
4 bed 3 bath 3,338 sqft Built 2025
Raw Value $637,754
Adjusted Value $419,599

Adjusted -$218,155 for 814 sqft less living space. Net adjustment: -$218,155.

309 LANGHORNE BND, LIBERTY HILL, TX 78642
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,850 sqft Built 2023
Raw Value $498,173
Adjusted Value $678,808

Adjusted +$180,635 for 674 sqft more living space. Net adjustment: +$180,635.

4 bed 3 bath 2,342 sqft Built 2024
Raw Value $535,314
Adjusted Value $584,091

Adjusted +$48,777 for 182 sqft more living space. Net adjustment: +$48,777.

4 bed 3 bath 2,953 sqft Built 2025
Raw Value $651,539
Adjusted Value $536,565

Adjusted -$114,974 for 429 sqft less living space. Net adjustment: -$114,974.

4 bed 3 bath 2,243 sqft Built 2020
Raw Value $705,048
Adjusted Value $780,357

Adjusted +$75,309 for 281 sqft more living space. Net adjustment: +$75,309.

The Neighborhood

This home is valued 58.9% above the I111523B - LARIAT median of $507,860. With 484 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 297.6% over the past year.

I111523B - LARIAT

outlier high
484 Properties
$507,860 Median Value
+297.6% YoY Change
1% Have Pool
100% Have Garage
This Home
$807,221
Median
$507,860

This home is +58.9% above the subdivision median.

Tax Analysis

The estimated annual property tax is $21,611 across all districts. With a homestead exemption claimed, that drops to $19,727 — saving $1,884 per year. That's $1,644 per month a buyer should budget. The assessed value increased +827.8% vs the subdivision average of +297.6%. This above-average increase gives a protest opportunity score of 100 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Liberty Hill ISDSchool1.2389%$10,001
North San Gabriel MUD #1MUD0.9500%$7,669
Williamson CountyCounty0.3694%$2,982
Williamson County ESD #4 - Liberty HillESD0.0745%$601
Williamson County FM/RdCounty0.0443%$358
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.6772%$21,611
100 / 100

There may be a strong case to protest this appraisal.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $584,091 would pay approximately $3,646 per month (principal and interest only, excluding taxes and insurance).

Data sourced from Williamson County Appraisal District (WCAD), Texas Education Agency (TEA), and Federal Reserve Economic Data (FRED). Assessment values reflect the appraisal district's estimate, not market sale prices. Report generated 4/18/2026.

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