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10903 OPAL TRL, AUSTIN, TX 78750

AUSTIN, 78750 — williamson County

4 bed2 bath1,586 sqftBuilt 1980

Property at a Glance

This home is estimated between $306,981 and $538,188, with a best estimate of $417,698. That places the property above the R353476G - Anderson Mill median of $407,368, in a neighborhood that appreciated 0.2% over the past year.

Estimated Value Range

$306,981 $538,188
Best Estimate
$417,698
WCAD Value
$596,040
High Confidence

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

Based on 5 comparable properties in R353476G - Anderson Mill, this home's estimated market value is between $306,981 and $538,188. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

10901 OPAL TRL, AUSTIN, TX 78750
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,773 sqft Built 1980
Raw Value $432,191
Adjusted Value $385,764

Adjusted -$46,427 for 187 sqft less living space. Net adjustment: -$46,427.

10902 OPAL TRL, AUSTIN, TX 78750
0.03 mi 100% similar Same subdivision
3 bed 2 bath 2,000 sqft Built 1980
Raw Value $532,503
Adjusted Value $429,718

Adjusted -$102,785 for 414 sqft less living space. Net adjustment: -$102,785.

10904 OPAL TRL, AUSTIN, TX 78750
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,476 sqft Built 1980
Raw Value $510,878
Adjusted Value $538,188

Adjusted +$27,310 for 110 sqft more living space. Net adjustment: +$27,310.

10900 OPAL TRL, AUSTIN, TX 78750
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,680 sqft Built 1980
Raw Value $441,036
Adjusted Value $417,698

Adjusted -$23,338 for 94 sqft less living space. Net adjustment: -$23,338.

10805 OPAL TRL, AUSTIN, TX 78750
0.03 mi 100% similar Same subdivision
3 bed 2 bath 2,216 sqft Built 1980
Raw Value $463,394
Adjusted Value $306,981

Adjusted -$156,413 for 630 sqft less living space. Net adjustment: -$156,413.

The Neighborhood

This home is valued 46.3% above the R353476G - Anderson Mill median of $407,368. With 1,663 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 0.2% over the past year.

R353476G - Anderson Mill

above average
1,663 Properties
$407,368 Median Value
+0.2% YoY Change
3% Have Pool
95% Have Garage
This Home
$596,040
Median
$407,368

This home is +46.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $12,372 across all districts. With a homestead exemption claimed, that drops to $10,386 — saving $1,986 per year. That's $866 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%$5,323
AustinCity0.5240%$3,123
Williamson CountyCounty0.3694%$2,202
Anderson Mill Limited Districtspecial0.1243%$741
Austin Community Collegespecial0.1034%$616
Williamson County FM/RdCounty0.0443%$264
Upper Brushy Creek WCIDWater0.0170%$101
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0756%$12,372

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $417,698 would pay approximately $2,607 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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