Beta Williamson County, TX only — data and coverage are limited during early access.

317 MCMILLIAN DR, LIBERTY HILL, TX 78642

LIBERTY HILL, 78642 — williamson County

4 bed3 bath2,255 sqftBuilt 2025

Property at a Glance

This home is estimated between $587,650 and $890,483, with a best estimate of $693,023. 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

$587,650 $890,483
Best Estimate
$693,023
WCAD Value
$538,815
Low Confidence

Based on 5 comparable properties(1 in the same subdivision)

There are 5 comparable properties within range, but few are in I111523B - LARIAT. The estimated range of $587,650 and $890,483 should be treated as a rough guide.

Comparable Properties (5)

4 bed 3 bath 2,168 sqft Built 2025
Raw Value $680,574
Adjusted Value $703,890

Adjusted +$23,316 for 87 sqft more living space. Net adjustment: +$23,316.

4 bed 3 bath 2,200 sqft Built 2016
Raw Value $875,743
Adjusted Value $890,483

Adjusted +$14,740 for 55 sqft more living space. Net adjustment: +$14,740.

313 LANGHORNE BND, LIBERTY HILL, TX 78642
0.01 mi 100% similar Same subdivision
3 bed 2 bath 2,017 sqft Built 2024
Raw Value $523,865
Adjusted Value $587,650

Adjusted +$63,785 for 238 sqft more living space. Net adjustment: +$63,785.

4 bed 3 bath 1,846 sqft Built 2023
Raw Value $491,363
Adjusted Value $600,977

Adjusted +$109,614 for 409 sqft more living space. Net adjustment: +$109,614.

4 bed 4 bath 2,103 sqft Built 2022
Raw Value $652,286
Adjusted Value $693,023

Adjusted +$40,737 for 152 sqft more living space. Net adjustment: +$40,737.

The Neighborhood

This home is valued 6.1% 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

typical
484 Properties
$507,860 Median Value
+297.6% YoY Change
1% Have Pool
100% Have Garage
This Home
$538,815
Median
$507,860

This home is +6.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $14,425 across all districts. With a homestead exemption claimed, that drops to $12,591 — saving $1,834 per year. That's $1,049 per month a buyer should budget. The assessed value increased +519.3% 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%$6,675
North San Gabriel MUD #1MUD0.9500%$5,119
Williamson CountyCounty0.3694%$1,991
Williamson County ESD #4 - Liberty HillESD0.0745%$401
Williamson County FM/RdCounty0.0443%$239
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.6772%$14,425
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 $693,023 would pay approximately $4,326 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.

View full property details