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418 VALONA LOOP, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,729 sqftBuilt 2005

Property at a Glance

This home is estimated between $329,269 and $583,434, with a best estimate of $506,024. That places the property above the R212505E - BRUSHY CREEK SEC 4 & 5 median of $455,574, in a neighborhood that appreciated 1.7% over the past year.

Estimated Value Range

$329,269 $583,434
Best Estimate
$506,024
WCAD Value
$577,145
High Confidence

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

Based on 5 comparable properties in R212505E - BRUSHY CREEK SEC 4 & 5, this home's estimated market value is between $329,269 and $583,434. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

222 VALONA LOOP, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,512 sqft Built 2007
Raw Value $374,170
Adjusted Value $404,988

Adjusted +$55,934 for 217 sqft more living space and -$25,116 for being older. Net adjustment: +$30,818.

426 VALONA LOOP, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,446 sqft Built 2006
Raw Value $523,045
Adjusted Value $583,434

Adjusted +$72,947 for 283 sqft more living space and -$12,558 for being older. Net adjustment: +$60,389.

425 VALONA LOOP, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,384 sqft Built 2006
Raw Value $494,563
Adjusted Value $570,933

Adjusted +$88,928 for 345 sqft more living space and -$12,558 for being older. Net adjustment: +$76,370.

423 VALONA LOOP, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,790 sqft Built 2006
Raw Value $534,305
Adjusted Value $506,024

Adjusted -$15,723 for 61 sqft less living space and -$12,558 for being older. Net adjustment: -$28,281.

428 VALONA LOOP, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,129 sqft Built 2005
Raw Value $432,374
Adjusted Value $329,269

Adjusted -$103,105 for 400 sqft less living space. Net adjustment: -$103,105.

The Neighborhood

This home is valued 26.7% above the R212505E - BRUSHY CREEK SEC 4 & 5 median of $455,574. With 154 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 1.7% over the past year.

R212505E - BRUSHY CREEK SEC 4 & 5

above average
154 Properties
$455,574 Median Value
+1.7% YoY Change
0% Have Pool
100% Have Garage
This Home
$577,145
Median
$455,574

This home is +26.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $11,047 across all districts. With a homestead exemption claimed, that drops to $9,690 — saving $1,357 per year. That's $808 per month a buyer should budget. The assessed value increased +8.0% vs the subdivision average of +1.7%. This above-average increase gives a protest opportunity score of 47 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$5,154
Brushy Creek MUDMUD0.3868%$2,233
Williamson CountyCounty0.3694%$2,132
Austin Community Collegespecial0.1034%$597
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$577
Williamson County FM/RdCounty0.0443%$256
Upper Brushy Creek WCIDWater0.0170%$98
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$11,047
47 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $506,024 would pay approximately $3,159 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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