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1205 ST WILLIAMS AVE, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

2 bed2 bath2,144 sqftBuilt 1977

Property at a Glance

This home is estimated between $489,156 and $613,399, with a best estimate of $567,786. 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

$489,156 $613,399
Best Estimate
$567,786
WCAD Value
$489,452
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 $489,156 and $613,399. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1205 WALSH LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,004 sqft Built 1976
Raw Value $563,420
Adjusted Value $599,021

Adjusted +$33,234 for 140 sqft more living space and +$2,367 for being newer. Net adjustment: +$35,601.

1205 LIME ROCK DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,801 sqft Built 1976
Raw Value $529,609
Adjusted Value $613,399

Adjusted +$81,423 for 343 sqft more living space and +$2,367 for being newer. Net adjustment: +$83,790.

1205 ABBEY RD, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,903 sqft Built 1976
Raw Value $429,579
Adjusted Value $489,156

Adjusted +$57,210 for 241 sqft more living space and +$2,367 for being newer. Net adjustment: +$59,577.

1205 DRAGON DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,010 sqft Built 1975
Raw Value $453,003
Adjusted Value $489,547

Adjusted +$31,810 for 134 sqft more living space and +$4,734 for being newer. Net adjustment: +$36,544.

1205 BLUFF DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
2 bed 2 bath 1,571 sqft Built 1975
Raw Value $434,887
Adjusted Value $567,786

Adjusted +$136,021 for 573 sqft more living space and +$4,734 for being newer and -$7,856 for no pool. Net adjustment: +$132,899.

The Neighborhood

This home is valued 2.7% 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

typical
822 Properties
$476,515 Median Value
-5.9% YoY Change
5% Have Pool
96% Have Garage
This Home
$489,452
Median
$476,515

This home is +2.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,807 across all districts. With a homestead exemption claimed, that drops to $7,466 — saving $1,341 per year. That's $622 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%$4,371
Round RockCity0.3720%$1,821
Williamson CountyCounty0.3694%$1,808
Austin Community Collegespecial0.1034%$506
Williamson County FM/RdCounty0.0443%$217
Upper Brushy Creek WCIDWater0.0170%$83
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$8,807

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $567,786 would pay approximately $3,544 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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