Beta Williamson County, TX only — data and coverage are limited during early access.

1107 WONDER DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed5,000 sqftBuilt 1980

Property at a Glance

This home is estimated between $678,245 and $1,277,378, with a best estimate of $991,555. That places the property below the R30IS - Storage Warehouse-west Round Rock median of $1,125,302, in a neighborhood that appreciated 11.8% over the past year.

Estimated Value Range

$678,245 $1,277,378
Best Estimate
$991,555
WCAD Value
$705,685
Low Confidence

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

There are 5 comparable properties within range, but few are in R30IS - Storage Warehouse-west Round Rock. The estimated range of $678,245 and $1,277,378 should be treated as a rough guide.

Comparable Properties (5)

1105 WONDER DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 4,800 sqft Built 1978
Raw Value $644,641
Adjusted Value $678,245

Adjusted +$33,604 for 200 sqft more living space. Net adjustment: +$33,604.

3 bed 2,946 sqft Built 1969
Raw Value $484,559
Adjusted Value $829,672

Adjusted +$345,113 for 2,054 sqft more living space. Net adjustment: +$345,113.

3 bed 2,433 sqft Built 1975
Raw Value $560,248
Adjusted Value $991,555

Adjusted +$431,307 for 2,567 sqft more living space. Net adjustment: +$431,307.

3 bed 8,041 sqft Built 1970
Raw Value $1,677,998
Adjusted Value $1,167,049

Adjusted -$510,949 for 3,041 sqft less living space. Net adjustment: -$510,949.

3 bed 2 bath 2,989 sqft Built 1982
Raw Value $1,005,918
Adjusted Value $1,277,378

Adjusted +$337,888 for 2,011 sqft more living space and -$6,235 for no pool and -$60,193 for no garage. Net adjustment: +$271,460.

The Neighborhood

This home is valued 37.3% below the R30IS - Storage Warehouse-west Round Rock median of $1,125,302. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 11.8% over the past year.

R30IS - Storage Warehouse-west Round Rock

below average
11 Properties
$1,125,302 Median Value
+11.8% YoY Change
0% Have Pool
0% Have Garage
This Home
$705,685
Median
$1,125,302

This home is -37.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $12,697 across all districts. With a homestead exemption claimed, that drops to $11,317 — saving $1,380 per year. That's $943 per month a buyer should budget. The assessed value increased +14.9% vs the subdivision average of +11.8%. This above-average increase gives a protest opportunity score of 46 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$6,302
Round RockCity0.3720%$2,625
Williamson CountyCounty0.3694%$2,607
Austin Community Collegespecial0.1034%$730
Williamson County FM/RdCounty0.0443%$313
Upper Brushy Creek WCIDWater0.0170%$120
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$12,697
46 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $991,555 would pay approximately $6,189 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.

View full property details