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1200 SONATA PL, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath2,350 sqftBuilt 2025

Property at a Glance

This home is estimated between $313,586 and $867,480, with a best estimate of $656,124. 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

$313,586 $867,480
Best Estimate
$656,124
WCAD Value
$852,725
Low Confidence

Based on 5 comparable properties(2 in the same subdivision)

There are 5 comparable properties within range, but few are in R294523A-Sauls Ranch East. The estimated range of $313,586 and $867,480 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 $313,586

Adjusted +$94,794 for 228 sqft more living space. Net adjustment: +$94,794.

1221 SONATA PL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,232 sqft Built 2025
Raw Value $706,960
Adjusted Value $756,020

Adjusted +$49,060 for 118 sqft more living space. Net adjustment: +$49,060.

4 bed 3 bath 2,239 sqft Built 2014
Raw Value $821,330
Adjusted Value $867,480

Adjusted +$46,150 for 111 sqft more living space. Net adjustment: +$46,150.

4 bed 2 bath 1,998 sqft Built 1992
Raw Value $509,775
Adjusted Value $656,124

Adjusted +$146,349 for 352 sqft more living space. Net adjustment: +$146,349.

3 bed 2 bath 2,156 sqft Built 1992
Raw Value $435,442
Adjusted Value $516,100

Adjusted +$80,658 for 194 sqft more living space. Net adjustment: +$80,658.

The Neighborhood

This home is in line with the R294523A-Sauls Ranch East median of $852,382. 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
$852,725
Median
$852,382

This home is +0.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $15,343 across all districts. With a homestead exemption claimed, that drops to $13,935 — saving $1,408 per year. That's $1,161 per month a buyer should budget. The assessed value increased +968.6% 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%$7,616
Round RockCity0.3720%$3,172
Williamson CountyCounty0.3694%$3,150
Austin Community Collegespecial0.1034%$882
Williamson County FM/RdCounty0.0443%$378
Upper Brushy Creek WCIDWater0.0170%$145
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$15,343
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 $656,124 would pay approximately $4,096 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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