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

419 VALONA LOOP, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,721 sqftBuilt 2006

Property at a Glance

This home is estimated between $339,765 and $593,930, with a best estimate of $516,519. 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

$339,765 $593,930
Best Estimate
$516,519
WCAD Value
$574,498
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 $339,765 and $593,930. 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 $415,484

Adjusted +$53,872 for 209 sqft more living space and -$12,558 for being older. Net adjustment: +$41,314.

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 $593,930

Adjusted +$70,885 for 275 sqft more living space. Net adjustment: +$70,885.

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 $581,429

Adjusted +$86,866 for 337 sqft more living space. Net adjustment: +$86,866.

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 $516,519

Adjusted -$17,786 for 69 sqft less living space. Net adjustment: -$17,786.

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 $339,765

Adjusted -$105,167 for 408 sqft less living space and +$12,558 for being newer. Net adjustment: -$92,609.

The Neighborhood

This home is valued 26.1% 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
$574,498
Median
$455,574

This home is +26.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,997 across all districts. With a homestead exemption claimed, that drops to $9,640 — saving $1,357 per year. That's $803 per month a buyer should budget. The assessed value increased +6.8% vs the subdivision average of +1.7%. This above-average increase gives a protest opportunity score of 41 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$5,131
Brushy Creek MUDMUD0.3868%$2,222
Williamson CountyCounty0.3694%$2,122
Austin Community Collegespecial0.1034%$594
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$574
Williamson County FM/RdCounty0.0443%$255
Upper Brushy Creek WCIDWater0.0170%$98
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$10,997
41 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $516,519 would pay approximately $3,224 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