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1301 ST WILLIAMS AVE, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,490 sqftBuilt 1978

Property at a Glance

This home is estimated between $316,640 and $519,841, with a best estimate of $379,083. That places the property below 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

$316,640 $519,841
Best Estimate
$379,083
WCAD Value
$461,493
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 $316,640 and $519,841. 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 $519,841

Adjusted -$39,643 for 167 sqft less living space. Net adjustment: -$39,643.

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 $379,083

Adjusted -$105,399 for 444 sqft less living space. Net adjustment: -$105,399.

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 $377,824

Adjusted -$12,344 for 52 sqft less living space and +$7,101 for being newer. Net adjustment: -$5,243.

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 $316,640

Adjusted -$131,511 for 554 sqft less living space and -$7,101 for being older. Net adjustment: -$138,612.

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 $389,075

Adjusted -$114,182 for 481 sqft less living space and +$7,101 for being newer. Net adjustment: -$107,081.

The Neighborhood

This home is valued 3.2% below the R325576F - ROUND ROCK WEST/LAKE CREEK WEST/SHADOW BROOK median of $476,515. That positions it competitively for buyers comparing within the neighborhood. 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
$461,493
Median
$476,515

This home is -3.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,304 across all districts. With a homestead exemption claimed, that drops to $6,968 — saving $1,336 per year. That's $581 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%$4,122
Round RockCity0.3720%$1,717
Williamson CountyCounty0.3694%$1,705
Austin Community Collegespecial0.1034%$477
Williamson County FM/RdCounty0.0443%$205
Upper Brushy Creek WCIDWater0.0170%$78
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$8,304

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $379,083 would pay approximately $2,366 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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