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1057 SONATA PL, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed4 bath2,050 sqftBuilt 2025

Property at a Glance

This home is estimated between $476,818 and $964,051, with a best estimate of $906,285. That places the property above the R294523A-Sauls Ranch East median of $852,382, in a neighborhood that appreciated 371.1% over the past year.

Estimated Value Range

$476,818 $964,051
Best Estimate
$906,285
WCAD Value
$302,671
Low Confidence

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

There are 5 comparable properties within range, but few are in R294523A-Sauls Ranch East. The estimated range of $476,818 and $964,051 should be treated as a rough guide.

Comparable Properties (5)

1043 SONATA PL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
5 bed 4 bath 2,327 sqft Built 2025
Raw Value $919,808
Adjusted Value $804,641

Adjusted -$115,167 for 277 sqft less living space. Net adjustment: -$115,167.

5 bed 4 bath 2,103 sqft Built 2012
Raw Value $982,125
Adjusted Value $960,089

Adjusted -$22,036 for 53 sqft less living space. Net adjustment: -$22,036.

5 bed 3 bath 2,217 sqft Built 2021
Raw Value $546,251
Adjusted Value $476,818

Adjusted -$69,433 for 167 sqft less living space. Net adjustment: -$69,433.

4 bed 3 bath 2,131 sqft Built 2008
Raw Value $939,962
Adjusted Value $906,285

Adjusted -$33,677 for 81 sqft less living space. Net adjustment: -$33,677.

4 bed 3 bath 2,010 sqft Built 2006
Raw Value $947,420
Adjusted Value $964,051

Adjusted +$16,631 for 40 sqft more living space. Net adjustment: +$16,631.

The Neighborhood

This home is valued 64.5% below the R294523A-Sauls Ranch East median of $852,382. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 371.1% over the past year.

R294523A-Sauls Ranch East

outlier low
144 Properties
$852,382 Median Value
+371.1% YoY Change
1% Have Pool
100% Have Garage
This Home
$302,671
Median
$852,382

This home is -64.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,446 across all districts. With a homestead exemption claimed, that drops to $4,140 — saving $1,306 per year. That's $345 per month a buyer should budget. The assessed value increased +279.3% vs the subdivision average of +371.1%. This increase gives a protest opportunity score of 50 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$2,703
Round RockCity0.3720%$1,126
Williamson CountyCounty0.3694%$1,118
Austin Community Collegespecial0.1034%$313
Williamson County FM/RdCounty0.0443%$134
Upper Brushy Creek WCIDWater0.0170%$51
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,446
50 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $906,285 would pay approximately $5,657 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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