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638 SPEED HORSE, LIBERTY HILL, TX 78642

LIBERTY HILL, 78642 — williamson County

4 bed2 bath2,962 sqftBuilt 2001

Property at a Glance

This home is estimated between $551,350 and $690,046, with a best estimate of $654,338. That places the property above the I145501E - Sundance Estates median of $550,751, in a neighborhood that declined 4.9% over the past year.

Estimated Value Range

$551,350 $690,046
Best Estimate
$654,338
WCAD Value
$672,686
High Confidence

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

Based on 5 comparable properties in I145501E - Sundance Estates, this home's estimated market value is between $551,350 and $690,046. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

630 SPEED HORSE, LIBERTY HILL, TX 78642
0.00 mi 100% similar Same subdivision
4 bed 2 bath 3,017 sqft Built 2005
Raw Value $592,501
Adjusted Value $551,350

Adjusted -$13,318 for 55 sqft less living space and -$27,833 for being older. Net adjustment: -$41,151.

713 SPEED HORSE, LIBERTY HILL, TX 78642
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,577 sqft Built 2007
Raw Value $638,569
Adjusted Value $690,046

Adjusted +$93,227 for 385 sqft more living space and -$41,750 for being older. Net adjustment: +$51,477.

668 SPEED HORSE, LIBERTY HILL, TX 78642
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,631 sqft Built 2014
Raw Value $608,862
Adjusted Value $598,555

Adjusted +$80,151 for 331 sqft more living space and -$90,458 for being older. Net adjustment: -$10,307.

634 SPEED HORSE, LIBERTY HILL, TX 78642
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,505 sqft Built 2005
Raw Value $581,228
Adjusted Value $664,056

Adjusted +$110,661 for 457 sqft more living space and -$27,833 for being older. Net adjustment: +$82,828.

612 SPEED HORSE, LIBERTY HILL, TX 78642
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,470 sqft Built 2004
Raw Value $556,077
Adjusted Value $654,338

Adjusted +$119,136 for 492 sqft more living space and -$20,875 for being older. Net adjustment: +$98,261.

The Neighborhood

This home is valued 22.1% above the I145501E - Sundance Estates median of $550,751. With 253 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 4.9% over the past year.

I145501E - Sundance Estates

above average
253 Properties
$550,751 Median Value
-4.9% YoY Change
1% Have Pool
95% Have Garage
This Home
$672,686
Median
$550,751

This home is +22.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $11,618 across all districts. With a homestead exemption claimed, that drops to $9,760 — saving $1,858 per year. That's $813 per month a buyer should budget. The assessed value increased roughly in line with the neighborhood, so a tax protest is unlikely to yield significant savings.

Tax Districts

DistrictTypeRateAnnual Amount
Liberty Hill ISDSchool1.2389%$8,334
Williamson CountyCounty0.3694%$2,485
Williamson County ESD #4 - Liberty HillESD0.0745%$501
Williamson County FM/RdCounty0.0443%$298
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7272%$11,618

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $654,338 would pay approximately $4,084 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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