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

880 CENTERRA HILLS CIR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

2 bed2 bath1,497 sqftBuilt 2017

Property at a Glance

This home is estimated between $132,353 and $515,641, with a best estimate of $361,262. That places the property below the R468517C - SUMMIT AT ROUND ROCK median of $387,362, in a neighborhood that declined 8.1% over the past year.

Estimated Value Range

$132,353 $515,641
Best Estimate
$361,262
WCAD Value
$349,072
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 $132,353 and $515,641 should be treated as a rough guide.

Comparable Properties (5)

4 bed 2 bath 1,558 sqft Built 2013
Raw Value $578,268
Adjusted Value $515,641

Adjusted -$12,852 for 61 sqft less living space and -$49,775 for being older. Net adjustment: -$62,627.

4 bed 2 bath 1,563 sqft Built 2010
Raw Value $462,274
Adjusted Value $361,262

Adjusted -$13,905 for 66 sqft less living space and -$87,107 for being older. Net adjustment: -$101,012.

4 bed 2 bath 1,461 sqft Built 2007
Raw Value $493,427
Adjusted Value $376,574

Adjusted +$7,585 for 36 sqft more living space and -$124,438 for being older. Net adjustment: -$116,853.

3 bed 2 bath 1,580 sqft Built 2002
Raw Value $336,498
Adjusted Value $132,353

Adjusted -$17,487 for 83 sqft less living space and -$186,658 for being older. Net adjustment: -$204,145.

3 bed 2 bath 1,819 sqft Built 2011
Raw Value $357,478
Adjusted Value $214,974

Adjusted -$67,841 for 322 sqft less living space and -$74,663 for being older. Net adjustment: -$142,504.

The Neighborhood

This home is valued 9.9% below the R468517C - SUMMIT AT ROUND ROCK median of $387,362. That positions it competitively for buyers comparing within the neighborhood. 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
$349,072
Median
$387,362

This home is -9.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,281 across all districts. With a homestead exemption claimed, that drops to $4,966 — saving $1,315 per year. That's $414 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%$3,118
Round RockCity0.3720%$1,299
Williamson CountyCounty0.3694%$1,290
Austin Community Collegespecial0.1034%$361
Williamson County FM/RdCounty0.0443%$155
Upper Brushy Creek WCIDWater0.0170%$59
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,281

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $361,262 would pay approximately $2,255 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