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1103 ST WILLIAMS AVE, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath2,012 sqftBuilt 1978

Property at a Glance

This home is estimated between $440,555 and $643,755, with a best estimate of $502,998. That places the property above the R325576F - ROUND ROCK WEST/LAKE CREEK WEST/SHADOW BROOK median of $476,515, in a neighborhood that declined 5.9% over the past year.

Estimated Value Range

$440,555 $643,755
Best Estimate
$502,998
WCAD Value
$472,196
High Confidence

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

Based on 5 comparable properties in R325576F - ROUND ROCK WEST/LAKE CREEK WEST/SHADOW BROOK, this home's estimated market value is between $440,555 and $643,755. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1902 CREEKVIEW DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,657 sqft Built 1978
Raw Value $559,484
Adjusted Value $643,755

Adjusted +$84,271 for 355 sqft more living space. Net adjustment: +$84,271.

2006 CREEKVIEW DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,934 sqft Built 1978
Raw Value $484,482
Adjusted Value $502,998

Adjusted +$18,516 for 78 sqft more living space. Net adjustment: +$18,516.

1405 DRAGON DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,542 sqft Built 1975
Raw Value $383,067
Adjusted Value $501,739

Adjusted +$111,571 for 470 sqft more living space and +$7,101 for being newer. Net adjustment: +$118,672.

1908 CREEKVIEW DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,044 sqft Built 1981
Raw Value $455,252
Adjusted Value $440,555

Adjusted -$7,596 for 32 sqft less living space and -$7,101 for being older. Net adjustment: -$14,697.

402 S LAKE CREEK DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,971 sqft Built 1975
Raw Value $496,156
Adjusted Value $512,990

Adjusted +$9,733 for 41 sqft more living space and +$7,101 for being newer. Net adjustment: +$16,834.

The Neighborhood

This home is in line with the R325576F - ROUND ROCK WEST/LAKE CREEK WEST/SHADOW BROOK median of $476,515. Note that values in this subdivision declined 5.9% over the past year.

R325576F - ROUND ROCK WEST/LAKE CREEK WEST/SHADOW BROOK

typical
822 Properties
$476,515 Median Value
-5.9% YoY Change
5% Have Pool
96% Have Garage
This Home
$472,196
Median
$476,515

This home is -0.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,496 across all districts. With a homestead exemption claimed, that drops to $7,159 — saving $1,337 per year. That's $597 per month a buyer should budget. The assessed value increased roughly in line with the neighborhood, so a tax protest is unlikely to yield significant savings.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$4,217
Round RockCity0.3720%$1,757
Williamson CountyCounty0.3694%$1,745
Austin Community Collegespecial0.1034%$488
Williamson County FM/RdCounty0.0443%$209
Upper Brushy Creek WCIDWater0.0170%$80
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$8,496

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $502,998 would pay approximately $3,140 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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