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888 CENTERRA HILLS CIR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath1,529 sqftBuilt 2019

Property at a Glance

This home is estimated between $307,212 and $497,495, with a best estimate of $455,522. That places the property above the R468517C - SUMMIT AT ROUND ROCK median of $387,362, in a neighborhood that declined 8.1% over the past year.

Estimated Value Range

$307,212 $497,495
Best Estimate
$455,522
WCAD Value
$418,622
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R468517C - SUMMIT AT ROUND ROCK. The estimated range of $307,212 and $497,495 should be treated as a rough guide.

Comparable Properties (5)

4 bed 3 bath 1,801 sqft Built 2016
Raw Value $550,160
Adjusted Value $455,522

Adjusted -$57,306 for 272 sqft less living space and -$37,332 for being older. Net adjustment: -$94,638.

4 bed 2 bath 1,558 sqft Built 2013
Raw Value $578,268
Adjusted Value $497,495

Adjusted -$6,110 for 29 sqft less living space and -$74,663 for being older. Net adjustment: -$80,773.

4 bed 2 bath 1,563 sqft Built 2010
Raw Value $462,274
Adjusted Value $343,116

Adjusted -$7,163 for 34 sqft less living space and -$111,995 for being older. Net adjustment: -$119,158.

4 bed 3 bath 1,860 sqft Built 2010
Raw Value $488,944
Adjusted Value $307,212

Adjusted -$69,737 for 331 sqft less living space and -$111,995 for being older. Net adjustment: -$181,732.

4 bed 3 bath 2,097 sqft Built 2020
Raw Value $582,767
Adjusted Value $475,542

Adjusted -$119,669 for 568 sqft less living space and +$12,444 for being newer. Net adjustment: -$107,225.

The Neighborhood

This home is valued 8.1% above the R468517C - SUMMIT AT ROUND ROCK median of $387,362. With 65 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 8.1% over the past year.

R468517C - SUMMIT AT ROUND ROCK

typical
65 Properties
$387,362 Median Value
-8.1% YoY Change
0% Have Pool
100% Have Garage
This Home
$418,622
Median
$387,362

This home is +8.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $7,532 across all districts. With a homestead exemption claimed, that drops to $6,204 — saving $1,328 per year. That's $517 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
Round Rock ISDSchool0.8931%$3,739
Round RockCity0.3720%$1,557
Williamson CountyCounty0.3694%$1,547
Austin Community Collegespecial0.1034%$433
Williamson County FM/RdCounty0.0443%$186
Upper Brushy Creek WCIDWater0.0170%$71
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$7,532

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $455,522 would pay approximately $2,843 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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