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10801 OPAL TRL, AUSTIN, TX 78750

AUSTIN, 78750 — williamson County

4 bed2 bath2,350 sqftBuilt 1980

Property at a Glance

This home is estimated between $486,905 and $633,362, with a best estimate of $500,947. 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

$486,905 $633,362
Best Estimate
$500,947
WCAD Value
$466,433
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 $486,905 and $633,362. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

10803 OPAL TRL, AUSTIN, TX 78750
0.02 mi 100% similar Same subdivision
3 bed 2 bath 2,310 sqft Built 1980
Raw Value $476,974
Adjusted Value $486,905

Adjusted +$9,931 for 40 sqft more living space. Net adjustment: +$9,931.

10800 TALL OAK TRL, AUSTIN, TX 78750
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,673 sqft Built 1980
Raw Value $465,280
Adjusted Value $633,362

Adjusted +$168,082 for 677 sqft more living space. Net adjustment: +$168,082.

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 $496,663

Adjusted +$33,269 for 134 sqft more living space. Net adjustment: +$33,269.

10802 TALL OAK TRL, AUSTIN, TX 78750
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,722 sqft Built 1980
Raw Value $454,251
Adjusted Value $610,167

Adjusted +$155,916 for 628 sqft more living space. Net adjustment: +$155,916.

10804 OPAL TRL, AUSTIN, TX 78750
0.05 mi 100% similar Same subdivision
4 bed 2 bath 1,937 sqft Built 1980
Raw Value $436,630
Adjusted Value $500,947

Adjusted +$102,537 for 413 sqft more living space and -$38,220 for no pool. Net adjustment: +$64,317.

The Neighborhood

This home is valued 14.5% 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

typical
1,663 Properties
$407,368 Median Value
+0.2% YoY Change
3% Have Pool
95% Have Garage
This Home
$466,433
Median
$407,368

This home is +14.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,681 across all districts. With a homestead exemption claimed, that drops to $7,856 — saving $1,825 per year. That's $655 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%$4,166
AustinCity0.5240%$2,444
Williamson CountyCounty0.3694%$1,723
Anderson Mill Limited Districtspecial0.1243%$580
Austin Community Collegespecial0.1034%$482
Williamson County FM/RdCounty0.0443%$207
Upper Brushy Creek WCIDWater0.0170%$79
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0756%$9,681

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $500,947 would pay approximately $3,127 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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