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1201 ST WILLIAMS AVE, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath2,852 sqftBuilt 1977

Property at a Glance

This home is estimated between $558,743 and $721,156, with a best estimate of $581,253. 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

$558,743 $721,156
Best Estimate
$581,253
WCAD Value
$665,773
Low Confidence

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

There are 5 comparable properties within range, but few are in R325576F - ROUND ROCK WEST/LAKE CREEK WEST/SHADOW BROOK. The estimated range of $558,743 and $721,156 should be treated as a rough guide.

Comparable Properties (5)

1200 ABBEY RD, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,858 sqft Built 1976
Raw Value $482,829
Adjusted Value $721,156

Adjusted +$235,960 for 994 sqft more living space and +$2,367 for being newer. Net adjustment: +$238,327.

3 bed 2 bath 2,156 sqft Built 1992
Raw Value $435,442
Adjusted Value $565,156

Adjusted +$165,220 for 696 sqft more living space and -$35,506 for being older. Net adjustment: +$129,714.

3 bed 2 bath 1,982 sqft Built 1989
Raw Value $403,133
Adjusted Value $581,253

Adjusted +$206,524 for 870 sqft more living space and -$28,404 for being older. Net adjustment: +$178,120.

3 bed 2 bath 2,042 sqft Built 1992
Raw Value $401,968
Adjusted Value $558,743

Adjusted +$192,281 for 810 sqft more living space and -$35,506 for being older. Net adjustment: +$156,775.

3 bed 2 bath 1,722 sqft Built 1989
Raw Value $351,234
Adjusted Value $591,074

Adjusted +$268,244 for 1,130 sqft more living space and -$28,404 for being older. Net adjustment: +$239,840.

The Neighborhood

This home is valued 39.7% above the R325576F - ROUND ROCK WEST/LAKE CREEK WEST/SHADOW BROOK median of $476,515. With 822 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 5.9% over the past year.

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

above average
822 Properties
$476,515 Median Value
-5.9% YoY Change
5% Have Pool
96% Have Garage
This Home
$665,773
Median
$476,515

This home is +39.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $11,979 across all districts. With a homestead exemption claimed, that drops to $10,606 — saving $1,373 per year. That's $884 per month a buyer should budget. The assessed value increased +8.5% vs the subdivision average of -5.9%. This above-average increase gives a protest opportunity score of 70 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$5,946
Round RockCity0.3720%$2,477
Williamson CountyCounty0.3694%$2,460
Austin Community Collegespecial0.1034%$688
Williamson County FM/RdCounty0.0443%$295
Upper Brushy Creek WCIDWater0.0170%$113
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$11,979
70 / 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 $581,253 would pay approximately $3,628 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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