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2400 CENTENNIAL LOOP, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath1,750 sqftBuilt 2016

Property at a Glance

This home is estimated between $276,596 and $491,012, with a best estimate of $354,156. That places the property below the R534516C - CONCORD at BRUSHY CREEK median of $648,366, in a neighborhood that declined 2.4% over the past year.

Estimated Value Range

$276,596 $491,012
Best Estimate
$354,156
WCAD Value
$625,676
Low Confidence

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

There are 5 comparable properties within range, but none are in R534516C - CONCORD at BRUSHY CREEK. The estimated range of $276,596 and $491,012 should be treated as a rough guide.

Comparable Properties (5)

4 bed 3 bath 1,975 sqft Built 2018
Raw Value $377,228
Adjusted Value $281,131

Adjusted -$73,368 for 225 sqft less living space and -$22,729 for being older. Net adjustment: -$96,097.

4 bed 1,707 sqft Built 2018
Raw Value $362,864
Adjusted Value $354,156

Adjusted +$14,021 for 43 sqft more living space and -$22,729 for being older. Net adjustment: -$8,708.

4 bed 2 bath 1,819 sqft Built 2015
Raw Value $481,016
Adjusted Value $469,881

Adjusted -$22,500 for 69 sqft less living space and +$11,365 for being newer. Net adjustment: -$11,135.

5 bed 3 bath 1,596 sqft Built 2018
Raw Value $463,524
Adjusted Value $491,012

Adjusted +$50,217 for 154 sqft more living space and -$22,729 for being older. Net adjustment: +$27,488.

4 bed 2 bath 1,740 sqft Built 2023
Raw Value $352,887
Adjusted Value $276,596

Adjusted +$3,261 for 10 sqft more living space and -$79,552 for being older. Net adjustment: -$76,291.

The Neighborhood

This home is valued 3.5% 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

typical
203 Properties
$648,366 Median Value
-2.4% YoY Change
0% Have Pool
100% Have Garage
This Home
$625,676
Median
$648,366

This home is -3.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $11,258 across all districts. With a homestead exemption claimed, that drops to $9,892 — saving $1,366 per year. That's $824 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%$5,588
Round RockCity0.3720%$2,328
Williamson CountyCounty0.3694%$2,312
Austin Community Collegespecial0.1034%$647
Williamson County FM/RdCounty0.0443%$277
Upper Brushy Creek WCIDWater0.0170%$106
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$11,258

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $354,156 would pay approximately $2,211 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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