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1043 SONATA PL, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

5 bed4 bath2,327 sqftBuilt 2025

Property at a Glance

This home is estimated between $488,246 and $1,097,946, with a best estimate of $1,008,921. 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

$488,246 $1,097,946
Best Estimate
$1,008,921
WCAD Value
$919,808
Low Confidence

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

There are 5 comparable properties within range, but none are in R294523A-Sauls Ranch East. The estimated range of $488,246 and $1,097,946 should be treated as a rough guide.

Comparable Properties (5)

5 bed 3 bath 2,217 sqft Built 2021
Raw Value $546,251
Adjusted Value $591,985

Adjusted +$45,734 for 110 sqft more living space. Net adjustment: +$45,734.

5 bed 4 bath 2,103 sqft Built 2012
Raw Value $982,125
Adjusted Value $1,075,256

Adjusted +$93,131 for 224 sqft more living space. Net adjustment: +$93,131.

5 bed 4 bath 2,657 sqft Built 2011
Raw Value $1,146,123
Adjusted Value $1,008,921

Adjusted -$137,202 for 330 sqft less living space. Net adjustment: -$137,202.

5 bed 4 bath 2,821 sqft Built 2012
Raw Value $1,303,334
Adjusted Value $1,097,946

Adjusted -$205,388 for 494 sqft less living space. Net adjustment: -$205,388.

4 bed 4 bath 2,930 sqft Built 2020
Raw Value $738,952
Adjusted Value $488,246

Adjusted -$250,706 for 603 sqft less living space. Net adjustment: -$250,706.

The Neighborhood

This home is valued 7.9% above the R294523A-Sauls Ranch East median of $852,382. With 144 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 371.1% over the past year.

R294523A-Sauls Ranch East

typical
144 Properties
$852,382 Median Value
+371.1% YoY Change
1% Have Pool
100% Have Garage
This Home
$919,808
Median
$852,382

This home is +7.9% above the subdivision median.

Tax Analysis

The estimated annual property tax is $16,550 across all districts. With a homestead exemption claimed, that drops to $15,130 — saving $1,420 per year. That's $1,261 per month a buyer should budget. The assessed value increased +1052.6% vs the subdivision average of +371.1%. This above-average increase gives a protest opportunity score of 100 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$8,215
Round RockCity0.3720%$3,422
Williamson CountyCounty0.3694%$3,398
Austin Community Collegespecial0.1034%$951
Williamson County FM/RdCounty0.0443%$408
Upper Brushy Creek WCIDWater0.0170%$156
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$16,550
100 / 100

There may be a strong case to protest this appraisal.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,008,921 would pay approximately $6,298 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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