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

703 WONDER DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

2 bed1 bath1,064 sqftBuilt 1960

Property at a Glance

This home is estimated between $155,289 and $729,860, with a best estimate of $385,242. That places the property above the R701575F - OLD TOWN ROUND ROCK median of $319,256, in a neighborhood that appreciated 4.3% over the past year.

Estimated Value Range

$155,289 $729,860
Best Estimate
$385,242
WCAD Value
$426,984
Medium Confidence

Based on 5 comparable properties(4 in the same subdivision)

Based on 5 comparable properties (4 in the same subdivision, 1 nearby), the estimated range is $155,289 and $729,860. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

707 WONDER DR, ROUND ROCK, TX 78681
0.00 mi 91% similar Same subdivision
2 bed 1 bath 836 sqft Built 1965
Raw Value $287,954
Adjusted Value $455,454

Adjusted +$58,542 for 228 sqft more living space and -$15,462 for being older and +$124,420 for having a garage. Net adjustment: +$167,500.

909 WONDER DR, ROUND ROCK, TX 78681
0.00 mi 80% similar Same subdivision
3 bed 1 bath 1,160 sqft Built 1930
Raw Value $160,908
Adjusted Value $353,449

Adjusted -$24,649 for 96 sqft less living space and +$92,770 for being newer and +$124,420 for having a garage. Net adjustment: +$192,541.

2 bed 1 bath 792 sqft Built 2013
Raw Value $699,495
Adjusted Value $729,860

Adjusted +$69,839 for 272 sqft more living space and -$163,894 for being older and +$124,420 for having a garage. Net adjustment: +$30,365.

701 WONDER DR, ROUND ROCK, TX 78681
0.00 mi 73% similar Same subdivision
3 bed 2 bath 2,406 sqft Built 1984
Raw Value $574,078
Adjusted Value $155,289

Adjusted -$344,573 for 1,342 sqft less living space and -$74,216 for being older. Net adjustment: -$418,789.

1000 WONDER DR, ROUND ROCK, TX 78681
0.00 mi 67% similar Same subdivision
3 bed 1 bath 2,016 sqft Built 1931
Raw Value $540,000
Adjusted Value $385,242

Adjusted -$244,436 for 952 sqft less living space and +$89,678 for being newer. Net adjustment: -$154,758.

The Neighborhood

This home is valued 33.7% above the R701575F - OLD TOWN ROUND ROCK median of $319,256. With 360 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 4.3% over the past year.

R701575F - OLD TOWN ROUND ROCK

above average
360 Properties
$319,256 Median Value
+4.3% YoY Change
5% Have Pool
24% Have Garage
This Home
$426,984
Median
$319,256

This home is +33.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $5,760 across all districts. With a homestead exemption claimed, that drops to $4,451 — saving $1,309 per year. That's $371 per month a buyer should budget. The assessed value increased +34.3% vs the subdivision average of +4.3%. 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%$2,859
Round RockCity0.3720%$1,191
Williamson CountyCounty0.3694%$1,183
Austin Community Collegespecial0.1034%$331
Williamson County FM/RdCounty0.0443%$142
Upper Brushy Creek WCIDWater0.0170%$54
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,760
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 $385,242 would pay approximately $2,405 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