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1120 HILLRIDGE DR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath2,387 sqftBuilt 2006

Property at a Glance

This home is estimated between $478,847 and $950,305, with a best estimate of $723,079. That places the property above the R420606C - TERAVISTA R5 median of $646,108, in a neighborhood that appreciated 2.5% over the past year.

Estimated Value Range

$478,847 $950,305
Best Estimate
$723,079
WCAD Value
$756,151
Medium Confidence

Based on 5 comparable properties(4 in the same subdivision)

Based on 5 comparable properties (4 in the same subdivision, 1 nearby), the estimated range is $478,847 and $950,305. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

4321 GREATVIEW DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,470 sqft Built 2013
Raw Value $828,410
Adjusted Value $759,888

Adjusted -$24,016 for 83 sqft less living space and -$44,506 for being older. Net adjustment: -$68,522.

4211 FAIRMEADOW DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,305 sqft Built 2007
Raw Value $461,479
Adjusted Value $478,847

Adjusted +$23,726 for 82 sqft more living space and -$6,358 for being older. Net adjustment: +$17,368.

4 bed 3 bath 2,382 sqft Built 2002
Raw Value $923,426
Adjusted Value $950,305

Adjusted +$1,447 for 5 sqft more living space and +$25,432 for being newer. Net adjustment: +$26,879.

4317 GREATVIEW DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
5 bed 4 bath 2,181 sqft Built 2012
Raw Value $701,622
Adjusted Value $723,079

Adjusted +$59,605 for 206 sqft more living space and -$38,148 for being older. Net adjustment: +$21,457.

4207 FAIRMEADOW DR, ROUND ROCK, TX 78665
0.00 mi 98% similar Same subdivision
3 bed 2 bath 1,840 sqft Built 2007
Raw Value $406,093
Adjusted Value $558,007

Adjusted +$158,272 for 547 sqft more living space and -$6,358 for being older. Net adjustment: +$151,914.

The Neighborhood

This home is valued 17.0% above the R420606C - TERAVISTA R5 median of $646,108. With 622 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 2.5% over the past year.

R420606C - TERAVISTA R5

above average
622 Properties
$646,108 Median Value
+2.5% YoY Change
1% Have Pool
99% Have Garage
This Home
$756,151
Median
$646,108

This home is +17.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $14,407 across all districts. With a homestead exemption claimed, that drops to $13,017 — saving $1,390 per year. That's $1,085 per month a buyer should budget. The assessed value increased +7.6% vs the subdivision average of +2.5%. This above-average increase gives a protest opportunity score of 46 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$6,720
Williamson County MUD #10MUD0.3875%$2,916
Williamson CountyCounty0.3694%$2,780
Austin Community Collegespecial0.1034%$778
Williamson County ESD #9 - Round RockESD0.0999%$752
Williamson County FM/RdCounty0.0443%$334
Upper Brushy Creek WCIDWater0.0170%$128
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9147%$14,407
46 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $723,079 would pay approximately $4,513 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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