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10804 OPAL TRL, AUSTIN, TX 78750

AUSTIN, 78750 — williamson County

4 bed2 bath1,937 sqftBuilt 1980

Property at a Glance

This home is estimated between $422,588 and $543,062, with a best estimate of $511,128. 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

$422,588 $543,062
Best Estimate
$511,128
WCAD Value
$436,630
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 $422,588 and $543,062. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

10806 OPAL TRL, AUSTIN, TX 78750
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,840 sqft Built 1980
Raw Value $470,620
Adjusted Value $532,923

Adjusted +$24,083 for 97 sqft more living space and +$38,220 for having a pool. Net adjustment: +$62,303.

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 $543,062

Adjusted +$63,806 for 257 sqft more living space and +$38,220 for having a pool. Net adjustment: +$102,026.

10803 OPAL TRL, AUSTIN, TX 78750
0.04 mi 100% similar Same subdivision
3 bed 2 bath 2,310 sqft Built 1980
Raw Value $476,974
Adjusted Value $422,588

Adjusted -$92,606 for 373 sqft less living space and +$38,220 for having a pool. Net adjustment: -$54,386.

10805 OPAL TRL, AUSTIN, TX 78750
0.04 mi 100% similar Same subdivision
3 bed 2 bath 2,216 sqft Built 1980
Raw Value $463,394
Adjusted Value $432,346

Adjusted -$69,268 for 279 sqft less living space and +$38,220 for having a pool. Net adjustment: -$31,048.

10901 OPAL TRL, AUSTIN, TX 78750
0.04 mi 100% similar Same subdivision
3 bed 2 bath 1,773 sqft Built 1980
Raw Value $432,191
Adjusted Value $511,128

Adjusted +$40,717 for 164 sqft more living space and +$38,220 for having a pool. Net adjustment: +$78,937.

The Neighborhood

This home is valued 7.2% 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
$436,630
Median
$407,368

This home is +7.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,063 across all districts. With a homestead exemption claimed, that drops to $7,274 — saving $1,789 per year. That's $606 per month a buyer should budget. The assessed value increased +6.5% vs the subdivision average of +0.2%. This above-average increase gives a protest opportunity score of 47 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$3,900
AustinCity0.5240%$2,288
Williamson CountyCounty0.3694%$1,613
Anderson Mill Limited Districtspecial0.1243%$543
Austin Community Collegespecial0.1034%$451
Williamson County FM/RdCounty0.0443%$194
Upper Brushy Creek WCIDWater0.0170%$74
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0756%$9,063
47 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $511,128 would pay approximately $3,190 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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