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

1117 HILLRIDGE DR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath2,516 sqftBuilt 2005

Property at a Glance

This home is estimated between $509,815 and $981,272, with a best estimate of $754,047. 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

$509,815 $981,272
Best Estimate
$754,047
WCAD Value
$785,005
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 $509,815 and $981,272. 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 $790,856

Adjusted +$13,310 for 46 sqft more living space and -$50,864 for being older. Net adjustment: -$37,554.

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 $509,815

Adjusted +$61,052 for 211 sqft more living space and -$12,716 for being older. Net adjustment: +$48,336.

4 bed 3 bath 2,382 sqft Built 2002
Raw Value $923,426
Adjusted Value $981,272

Adjusted +$38,772 for 134 sqft more living space and +$19,074 for being newer. Net adjustment: +$57,846.

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 $754,047

Adjusted +$96,931 for 335 sqft more living space and -$44,506 for being older. Net adjustment: +$52,425.

4207 FAIRMEADOW DR, ROUND ROCK, TX 78665
0.00 mi 96% similar Same subdivision
3 bed 2 bath 1,840 sqft Built 2007
Raw Value $406,093
Adjusted Value $588,974

Adjusted +$195,597 for 676 sqft more living space and -$12,716 for being older. Net adjustment: +$182,881.

The Neighborhood

This home is valued 21.5% 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
$785,005
Median
$646,108

This home is +21.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $14,516 across all districts. With a homestead exemption claimed, that drops to $13,126 — saving $1,390 per year. That's $1,094 per month a buyer should budget. The assessed value increased +13.9% vs the subdivision average of +2.5%. This above-average increase gives a protest opportunity score of 80 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$6,771
Williamson County MUD #10MUD0.3875%$2,938
Williamson CountyCounty0.3694%$2,801
Austin Community Collegespecial0.1034%$784
Williamson County ESD #9 - Round RockESD0.0999%$757
Williamson County FM/RdCounty0.0443%$336
Upper Brushy Creek WCIDWater0.0170%$129
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9147%$14,516
80 / 100

There may be a strong case to protest this appraisal.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $754,047 would pay approximately $4,707 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