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1037 SONATA PL, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath2,379 sqftBuilt 2025

Property at a Glance

This home is estimated between $613,605 and $1,130,696, with a best estimate of $1,043,072. 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

$613,605 $1,130,696
Best Estimate
$1,043,072
WCAD Value
$715,276
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 $613,605 and $1,130,696 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 $941,428

Adjusted +$21,620 for 52 sqft more living space. Net adjustment: +$21,620.

5 bed 3 bath 2,217 sqft Built 2021
Raw Value $546,251
Adjusted Value $613,605

Adjusted +$67,354 for 162 sqft more living space. Net adjustment: +$67,354.

4 bed 3 bath 2,729 sqft Built 2013
Raw Value $1,276,214
Adjusted Value $1,130,696

Adjusted -$145,518 for 350 sqft less living space. Net adjustment: -$145,518.

4 bed 3 bath 2,711 sqft Built 2012
Raw Value $1,185,625
Adjusted Value $1,047,591

Adjusted -$138,034 for 332 sqft less living space. Net adjustment: -$138,034.

4 bed 3 bath 2,131 sqft Built 2008
Raw Value $939,962
Adjusted Value $1,043,072

Adjusted +$103,110 for 248 sqft more living space. Net adjustment: +$103,110.

The Neighborhood

This home is valued 16.1% 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

below average
144 Properties
$852,382 Median Value
+371.1% YoY Change
1% Have Pool
100% Have Garage
This Home
$715,276
Median
$852,382

This home is -16.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $12,870 across all districts. With a homestead exemption claimed, that drops to $11,487 — saving $1,383 per year. That's $957 per month a buyer should budget. The assessed value increased +796.3% 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%$6,388
Round RockCity0.3720%$2,661
Williamson CountyCounty0.3694%$2,643
Austin Community Collegespecial0.1034%$740
Williamson County FM/RdCounty0.0443%$317
Upper Brushy Creek WCIDWater0.0170%$122
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$12,870
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 $1,043,072 would pay approximately $6,511 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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