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2308 CENTENNIAL LOOP, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath2,331 sqftBuilt 2016

Property at a Glance

This home is estimated between $428,506 and $849,839, with a best estimate of $688,289. That places the property above the R534516C - CONCORD at BRUSHY CREEK median of $648,366, in a neighborhood that declined 2.4% over the past year.

Estimated Value Range

$428,506 $849,839
Best Estimate
$688,289
WCAD Value
$501,390
Low Confidence

Based on 5 comparable properties(1 in the same subdivision)

There are 5 comparable properties within range, but few are in R534516C - CONCORD at BRUSHY CREEK. The estimated range of $428,506 and $849,839 should be treated as a rough guide.

Comparable Properties (5)

4 bed 3 bath 2,411 sqft Built 2009
Raw Value $638,252
Adjusted Value $691,717

Adjusted -$26,087 for 80 sqft less living space and +$79,552 for being newer. Net adjustment: +$53,465.

2412 CENTENNIAL LOOP, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
5 bed 4 bath 2,517 sqft Built 2018
Raw Value $771,669
Adjusted Value $688,289

Adjusted -$60,651 for 186 sqft less living space and -$22,729 for being older. Net adjustment: -$83,380.

4 bed 3 bath 2,253 sqft Built 2017
Raw Value $835,770
Adjusted Value $849,839

Adjusted +$25,434 for 78 sqft more living space and -$11,365 for being older. Net adjustment: +$14,069.

4 bed 3 bath 2,302 sqft Built 2016
Raw Value $419,050
Adjusted Value $428,506

Adjusted +$9,456 for 29 sqft more living space. Net adjustment: +$9,456.

4 bed 3 bath 1,975 sqft Built 2018
Raw Value $377,228
Adjusted Value $470,584

Adjusted +$116,085 for 356 sqft more living space and -$22,729 for being older. Net adjustment: +$93,356.

The Neighborhood

This home is valued 22.7% below the R534516C - CONCORD at BRUSHY CREEK median of $648,366. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 2.4% over the past year.

R534516C - CONCORD at BRUSHY CREEK

below average
203 Properties
$648,366 Median Value
-2.4% YoY Change
0% Have Pool
100% Have Garage
This Home
$501,390
Median
$648,366

This home is -22.7% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,021 across all districts. With a homestead exemption claimed, that drops to $7,678 — saving $1,343 per year. That's $640 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%$4,478
Round RockCity0.3720%$1,865
Williamson CountyCounty0.3694%$1,852
Austin Community Collegespecial0.1034%$518
Williamson County FM/RdCounty0.0443%$222
Upper Brushy Creek WCIDWater0.0170%$85
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$9,021

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $688,289 would pay approximately $4,296 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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