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

4223 PEBBLESTONE TRL, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath2,530 sqftBuilt 2009

Property at a Glance

This home is estimated between $503,810 and $921,733, with a best estimate of $635,801. That places the property below the R420606C - TERAVISTA R5 median of $646,108, in a neighborhood that appreciated 2.5% over the past year.

Estimated Value Range

$503,810 $921,733
Best Estimate
$635,801
WCAD Value
$834,462
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 $503,810 and $921,733. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

4231 PEBBLESTONE TRL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,610 sqft Built 2011
Raw Value $671,665
Adjusted Value $635,801

Adjusted -$23,148 for 80 sqft less living space and -$12,716 for being older. Net adjustment: -$35,864.

4 bed 3 bath 2,568 sqft Built 2009
Raw Value $561,502
Adjusted Value $550,507

Adjusted -$10,995 for 38 sqft less living space. Net adjustment: -$10,995.

4212 PEBBLESTONE TRL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
5 bed 4 bath 2,407 sqft Built 2012
Raw Value $658,016
Adjusted Value $674,531

Adjusted +$35,589 for 123 sqft more living space and -$19,074 for being older. Net adjustment: +$16,515.

4213 PEBBLESTONE TRL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,681 sqft Built 2012
Raw Value $695,153
Adjusted Value $921,733

Adjusted +$245,654 for 849 sqft more living space and -$19,074 for being older. Net adjustment: +$226,580.

4235 PEBBLESTONE TRL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,951 sqft Built 2011
Raw Value $638,340
Adjusted Value $503,810

Adjusted -$121,814 for 421 sqft less living space and -$12,716 for being older. Net adjustment: -$134,530.

The Neighborhood

This home is valued 29.2% 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
$834,462
Median
$646,108

This home is +29.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $15,795 across all districts. With a homestead exemption claimed, that drops to $14,390 — saving $1,405 per year. That's $1,199 per month a buyer should budget. The assessed value increased +7.5% vs the subdivision average of +2.5%. This above-average increase gives a protest opportunity score of 45 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$7,453
Williamson CountyCounty0.3694%$3,083
Williamson County MUD #11MUD0.3656%$3,051
Austin Community Collegespecial0.1034%$863
Williamson County ESD #9 - Round RockESD0.0999%$834
Williamson County FM/RdCounty0.0443%$370
Upper Brushy Creek WCIDWater0.0170%$142
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8928%$15,795
45 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $635,801 would pay approximately $3,969 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