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

133 ROCK KNOLL ST, LIBERTY HILL, TX 78642

LIBERTY HILL, 78642 — williamson County

3 bed2,180 sqftBuilt 2021

Property at a Glance

This home is estimated between $556,678 and $619,078, with a best estimate of $613,418. That places the property above the I422413F - MIDDLE BROOK AT SANTA RITA RANCH median of $415,063, in a neighborhood that declined 9.3% over the past year.

Estimated Value Range

$556,678 $619,078
Best Estimate
$613,418
WCAD Value
$611,774
High Confidence

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

Based on 5 comparable properties in I422413F - MIDDLE BROOK AT SANTA RITA RANCH, this home's estimated market value is between $556,678 and $619,078. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

129 ROCK KNOLL ST, LIBERTY HILL, TX 78642
0.01 mi 100% similar Same subdivision
4 bed 3 bath 2,062 sqft Built 2022
Raw Value $586,382
Adjusted Value $613,418

Adjusted +$31,854 for 118 sqft more living space and -$4,818 for being older. Net adjustment: +$27,036.

137 ROCK KNOLL ST, LIBERTY HILL, TX 78642
0.01 mi 100% similar Same subdivision
4 bed 2,408 sqft Built 2022
Raw Value $634,527
Adjusted Value $568,160

Adjusted -$61,549 for 228 sqft less living space and -$4,818 for being older. Net adjustment: -$66,367.

125 ROCK KNOLL ST, LIBERTY HILL, TX 78642
0.02 mi 100% similar Same subdivision
4 bed 3 bath 2,541 sqft Built 2022
Raw Value $721,349
Adjusted Value $619,078

Adjusted -$97,453 for 361 sqft less living space and -$4,818 for being older. Net adjustment: -$102,271.

201 ROCK KNOLL ST, LIBERTY HILL, TX 78642
0.02 mi 100% similar Same subdivision
3 bed 2,250 sqft Built 2021
Raw Value $634,716
Adjusted Value $615,819

Adjusted -$18,897 for 70 sqft less living space. Net adjustment: -$18,897.

128 ROCK KNOLL ST, LIBERTY HILL, TX 78642
0.03 mi 100% similar Same subdivision
5 bed 3 bath 2,374 sqft Built 2022
Raw Value $613,867
Adjusted Value $556,678

Adjusted -$52,371 for 194 sqft less living space and -$4,818 for being older. Net adjustment: -$57,189.

The Neighborhood

This home is valued 47.4% above the I422413F - MIDDLE BROOK AT SANTA RITA RANCH median of $415,063. With 1,373 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 9.3% over the past year.

I422413F - MIDDLE BROOK AT SANTA RITA RANCH

above average
1,373 Properties
$415,063 Median Value
-9.3% YoY Change
0% Have Pool
100% Have Garage
This Home
$611,774
Median
$415,063

This home is +47.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $13,563 across all districts. With a homestead exemption claimed, that drops to $11,716 — saving $1,847 per year. That's $976 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%$7,579
Williamson County MUD #19MUD0.4899%$2,997
Williamson CountyCounty0.3694%$2,260
Williamson County ESD #4 - Liberty HillESD0.0745%$456
Williamson County FM/RdCounty0.0443%$271
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.2171%$13,563

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $613,418 would pay approximately $3,829 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