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2305 CENTENNIAL LOOP, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed1,801 sqftBuilt 2019

Property at a Glance

This home is estimated between $327,320 and $520,605, with a best estimate of $404,881. 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

$327,320 $520,605
Best Estimate
$404,881
WCAD Value
$740,689
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 $327,320 and $520,605 should be treated as a rough guide.

Comparable Properties (5)

4 bed 2 bath 1,639 sqft Built 2018
Raw Value $452,285
Adjusted Value $516,475

Adjusted +$52,825 for 162 sqft more living space and +$11,365 for being newer. Net adjustment: +$64,190.

4 bed 3 bath 1,975 sqft Built 2018
Raw Value $377,228
Adjusted Value $331,855

Adjusted -$56,738 for 174 sqft less living space and +$11,365 for being newer. Net adjustment: -$45,373.

4 bed 2 bath 1,740 sqft Built 2023
Raw Value $352,887
Adjusted Value $327,320

Adjusted +$19,891 for 61 sqft more living space and -$45,458 for being older. Net adjustment: -$25,567.

4 bed 2 bath 1,819 sqft Built 2015
Raw Value $481,016
Adjusted Value $520,605

Adjusted -$5,869 for 18 sqft less living space and +$45,458 for being newer. Net adjustment: +$39,589.

4 bed 1,707 sqft Built 2018
Raw Value $362,864
Adjusted Value $404,881

Adjusted +$30,652 for 94 sqft more living space and +$11,365 for being newer. Net adjustment: +$42,017.

The Neighborhood

This home is valued 14.2% above the R534516C - CONCORD at BRUSHY CREEK median of $648,366. With 203 homes in the subdivision, the property sits in the upper tier. 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
$740,689
Median
$648,366

This home is +14.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $13,327 across all districts. With a homestead exemption claimed, that drops to $11,940 — saving $1,387 per year. That's $995 per month a buyer should budget. The assessed value increased +5.2% vs the subdivision average of -2.4%. This above-average increase gives a protest opportunity score of 53 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$6,615
Round RockCity0.3720%$2,755
Williamson CountyCounty0.3694%$2,736
Austin Community Collegespecial0.1034%$766
Williamson County FM/RdCounty0.0443%$328
Upper Brushy Creek WCIDWater0.0170%$126
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$13,327
53 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $404,881 would pay approximately $2,527 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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