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421 RIO GABRIEL DR, LIBERTY HILL, TX 78642

LIBERTY HILL, 78642 — williamson County

4 bed2 bath3,069 sqftBuilt 1999

Property at a Glance

This home is estimated between $765,098 and $1,454,830, with a best estimate of $883,878. That places the property below the I320599C - Rio&LittleGabriel,HighRiver&PostOak,SundanceRanch median of $911,292, in a neighborhood that declined 6.3% over the past year.

Estimated Value Range

$765,098 $1,454,830
Best Estimate
$883,878
WCAD Value
$1,410,866
High Confidence

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

Based on 5 comparable properties in I320599C - Rio&LittleGabriel,HighRiver&PostOak,SundanceRanch, this home's estimated market value is between $765,098 and $1,454,830. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

235 LITTLE GABRIEL RIVER DR, LIBERTY HILL, TX 78642
0.00 mi 100% similar Same subdivision
4 bed 2 bath 3,599 sqft Built 2004
Raw Value $1,050,006
Adjusted Value $862,212

Adjusted -$170,402 for 530 sqft less living space and -$17,392 for being older. Net adjustment: -$187,794.

300 RIO GABRIEL DR, LIBERTY HILL, TX 78642
0.00 mi 100% similar Same subdivision
3 bed 2 bath 3,845 sqft Built 2008
Raw Value $1,045,899
Adjusted Value $765,098

Adjusted -$249,495 for 776 sqft less living space and -$31,306 for being older. Net adjustment: -$280,801.

181 RIO GABRIEL DR, LIBERTY HILL, TX 78642
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,737 sqft Built 2004
Raw Value $1,365,479
Adjusted Value $1,454,830

Adjusted +$106,743 for 332 sqft more living space and -$17,392 for being older. Net adjustment: +$89,351.

148 LITTLE GABRIEL RIVER DR, LIBERTY HILL, TX 78642
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,881 sqft Built 2002
Raw Value $833,868
Adjusted Value $883,878

Adjusted +$60,445 for 188 sqft more living space and -$10,435 for being older. Net adjustment: +$50,010.

121 RIO GABRIEL DR, LIBERTY HILL, TX 78642
0.00 mi 100% similar Same subdivision
4 bed 2 bath 3,112 sqft Built 2001
Raw Value $1,017,360
Adjusted Value $996,578

Adjusted -$13,825 for 43 sqft less living space and -$6,957 for being older. Net adjustment: -$20,782.

The Neighborhood

This home is valued 54.8% above the I320599C - Rio&LittleGabriel,HighRiver&PostOak,SundanceRanch median of $911,292. With 119 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 6.3% over the past year.

I320599C - Rio&LittleGabriel,HighRiver&PostOak,SundanceRanch

outlier high
119 Properties
$911,292 Median Value
-6.3% YoY Change
6% Have Pool
78% Have Garage
This Home
$1,410,866
Median
$911,292

This home is +54.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $24,368 across all districts. With a homestead exemption claimed, that drops to $22,373 — saving $1,995 per year. That's $1,864 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%$17,479
Williamson CountyCounty0.3694%$5,212
Williamson County ESD #4 - Liberty HillESD0.0745%$1,051
Williamson County FM/RdCounty0.0443%$625
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7272%$24,368

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $883,878 would pay approximately $5,517 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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