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1221 SONATA PL, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath2,232 sqftBuilt 2025

Property at a Glance

This home is estimated between $264,526 and $818,420, with a best estimate of $480,963. That places the property below the R294523A-Sauls Ranch East median of $852,382, in a neighborhood that appreciated 371.1% over the past year.

Estimated Value Range

$264,526 $818,420
Best Estimate
$480,963
WCAD Value
$706,960
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 $264,526 and $818,420 should be treated as a rough guide.

Comparable Properties (5)

1208 SONATA PL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,122 sqft Built 2025
Raw Value $218,792
Adjusted Value $264,526

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

4 bed 3 bath 2,239 sqft Built 2014
Raw Value $821,330
Adjusted Value $818,420

Adjusted -$2,910 for 7 sqft less living space. Net adjustment: -$2,910.

4 bed 2 bath 1,998 sqft Built 1992
Raw Value $509,775
Adjusted Value $607,064

Adjusted +$97,289 for 234 sqft more living space. Net adjustment: +$97,289.

3 bed 2 bath 2,156 sqft Built 1992
Raw Value $435,442
Adjusted Value $467,040

Adjusted +$31,598 for 76 sqft more living space. Net adjustment: +$31,598.

3 bed 2 bath 2,042 sqft Built 1992
Raw Value $401,968
Adjusted Value $480,963

Adjusted +$78,995 for 190 sqft more living space. Net adjustment: +$78,995.

The Neighborhood

This home is valued 17.1% 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
$706,960
Median
$852,382

This home is -17.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $12,720 across all districts. With a homestead exemption claimed, that drops to $11,339 — saving $1,381 per year. That's $945 per month a buyer should budget. The assessed value increased +785.9% 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%$6,314
Round RockCity0.3720%$2,630
Williamson CountyCounty0.3694%$2,612
Austin Community Collegespecial0.1034%$731
Williamson County FM/RdCounty0.0443%$313
Upper Brushy Creek WCIDWater0.0170%$120
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$12,720
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 $480,963 would pay approximately $3,002 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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