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646 SPEED HORSE, LIBERTY HILL, TX 78642

LIBERTY HILL, 78642 — williamson County

3 bed2 bath1,788 sqftBuilt 2002

Property at a Glance

This home is estimated between $386,734 and $667,362, with a best estimate of $441,490. That places the property below the I145501E - Sundance Estates median of $550,751, in a neighborhood that declined 4.9% over the past year.

Estimated Value Range

$386,734 $667,362
Best Estimate
$441,490
WCAD Value
$521,145
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 $386,734 and $667,362. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

504 SPEED HORSE, LIBERTY HILL, TX 78642
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,764 sqft Built 2001
Raw Value $428,720
Adjusted Value $441,490

Adjusted +$5,812 for 24 sqft more living space and +$6,958 for being newer. Net adjustment: +$12,770.

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 $412,723

Adjusted -$191,054 for 789 sqft less living space and -$34,792 for being older. Net adjustment: -$225,846.

620 SPEED HORSE, LIBERTY HILL, TX 78642
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,701 sqft Built 2005
Raw Value $667,170
Adjusted Value $667,362

Adjusted +$21,067 for 87 sqft more living space and -$20,875 for being older. Net adjustment: +$192.

625 SPEED HORSE, LIBERTY HILL, TX 78642
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,288 sqft Built 2003
Raw Value $491,302
Adjusted Value $605,417

Adjusted +$121,073 for 500 sqft more living space and -$6,958 for being older. Net adjustment: +$114,115.

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 $386,734

Adjusted -$173,619 for 717 sqft less living space and -$20,875 for being older. Net adjustment: -$194,494.

The Neighborhood

This home is valued 5.4% below the I145501E - Sundance Estates median of $550,751. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 4.9% over the past year.

I145501E - Sundance Estates

typical
253 Properties
$550,751 Median Value
-4.9% YoY Change
1% Have Pool
95% Have Garage
This Home
$521,145
Median
$550,751

This home is -5.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,001 across all districts. With a homestead exemption claimed, that drops to $7,170 — saving $1,831 per year. That's $598 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%$6,456
Williamson CountyCounty0.3694%$1,925
Williamson County ESD #4 - Liberty HillESD0.0745%$388
Williamson County FM/RdCounty0.0443%$231
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7272%$9,001

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $441,490 would pay approximately $2,756 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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