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11000 OPAL TRL, AUSTIN, TX 78750

AUSTIN, 78750 — williamson County

3 bed2 bath1,802 sqftBuilt 1980

Property at a Glance

This home is estimated between $391,510 and $591,815, with a best estimate of $416,060. 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

$391,510 $591,815
Best Estimate
$416,060
WCAD Value
$388,209
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 $391,510 and $591,815. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

11002 OPAL TRL, AUSTIN, TX 78750
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,759 sqft Built 1980
Raw Value $383,831
Adjusted Value $394,507

Adjusted +$10,676 for 43 sqft more living space. Net adjustment: +$10,676.

10906 OPAL TRL, AUSTIN, TX 78750
0.02 mi 100% similar Same subdivision
3 bed 2 bath 2,054 sqft Built 1980
Raw Value $478,625
Adjusted Value $416,060

Adjusted -$62,565 for 252 sqft less living space. Net adjustment: -$62,565.

11704 QUARTZ CI, AUSTIN, TX 78750
0.03 mi 100% similar Same subdivision
3 bed 2 bath 2,130 sqft Built 1980
Raw Value $522,094
Adjusted Value $440,660

Adjusted -$81,434 for 328 sqft less living space. Net adjustment: -$81,434.

11023 HARD ROCK RD, AUSTIN, TX 78750
0.04 mi 100% similar Same subdivision
3 bed 2 bath 1,809 sqft Built 1980
Raw Value $393,248
Adjusted Value $391,510

Adjusted -$1,738 for 7 sqft less living space. Net adjustment: -$1,738.

10904 OPAL TRL, AUSTIN, TX 78750
0.04 mi 100% similar Same subdivision
4 bed 2 bath 1,476 sqft Built 1980
Raw Value $510,878
Adjusted Value $591,815

Adjusted +$80,937 for 326 sqft more living space. Net adjustment: +$80,937.

The Neighborhood

This home is valued 4.7% below the R353476G - Anderson Mill median of $407,368. That positions it competitively for buyers comparing within the neighborhood. 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
$388,209
Median
$407,368

This home is -4.7% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,058 across all districts. With a homestead exemption claimed, that drops to $6,329 — saving $1,729 per year. That's $527 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%$3,467
AustinCity0.5240%$2,034
Williamson CountyCounty0.3694%$1,434
Anderson Mill Limited Districtspecial0.1243%$483
Austin Community Collegespecial0.1034%$401
Williamson County FM/RdCounty0.0443%$172
Upper Brushy Creek WCIDWater0.0170%$66
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0756%$8,058

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $416,060 would pay approximately $2,597 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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