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1103 WONDER DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2,946 sqftBuilt 1969

Property at a Glance

This home is estimated between $197,894 and $994,382, with a best estimate of $684,721.

Estimated Value Range

$197,894 $994,382
Best Estimate
$684,721
WCAD Value
$484,559
Low Confidence

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

There are 5 comparable properties within range, but none are in R30EN - Nightclub/lounge/pool Halls-west Round Rock. The estimated range of $197,894 and $994,382 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2,433 sqft Built 1975
Raw Value $560,248
Adjusted Value $684,721

Adjusted +$123,866 for 513 sqft more living space and +$607 for being newer. Net adjustment: +$124,473.

3 bed 2 bath 2,989 sqft Built 1982
Raw Value $1,005,918
Adjusted Value $930,422

Adjusted -$10,383 for 43 sqft less living space and +$1,315 for being newer and -$6,235 for no pool and -$60,193 for no garage. Net adjustment: -$75,496.

3 bed 4,800 sqft Built 1978
Raw Value $644,641
Adjusted Value $197,894

Adjusted -$447,657 for 1,854 sqft less living space and +$910 for being newer. Net adjustment: -$446,747.

3 bed 5,000 sqft Built 1980
Raw Value $705,685
Adjusted Value $210,850

Adjusted -$495,948 for 2,054 sqft less living space and +$1,113 for being newer. Net adjustment: -$494,835.

3 bed 2 bath 3,298 sqft Built 1989
Raw Value $1,137,544
Adjusted Value $994,382

Adjusted -$84,992 for 352 sqft less living space and +$2,023 for being newer and -$60,193 for no garage. Net adjustment: -$143,162.

The Neighborhood

Subdivision comparison data is not available for this property.

Tax Analysis

The estimated annual property tax is $8,719 across all districts. With a homestead exemption claimed, that drops to $7,379 — saving $1,340 per year. That's $615 per month a buyer should budget. The assessed value increased +10.9%. This increase gives a protest opportunity score of 75 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$4,328
Round RockCity0.3720%$1,803
Williamson CountyCounty0.3694%$1,790
Austin Community Collegespecial0.1034%$501
Williamson County FM/RdCounty0.0443%$215
Upper Brushy Creek WCIDWater0.0170%$82
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$8,719
75 / 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 $684,721 would pay approximately $4,274 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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