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12803 SPILLWAY DR, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

3 bed2 bath829 sqftBuilt 1984

Property at a Glance

This home is estimated between $210,204 and $408,799, with a best estimate of $251,385. That places the property below the R350481H - Anderson Mill Village median of $347,704, in a neighborhood that declined 4.9% over the past year.

Estimated Value Range

$210,204 $408,799
Best Estimate
$251,385
WCAD Value
$332,339
High Confidence

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

Based on 5 comparable properties in R350481H - Anderson Mill Village, this home's estimated market value is between $210,204 and $408,799. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

12805 SPILLWAY DR, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,270 sqft Built 1982
Raw Value $322,189
Adjusted Value $210,204

Adjusted -$111,739 for 441 sqft less living space and -$246 for being older. Net adjustment: -$111,985.

12807 SPILLWAY DR, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 698 sqft Built 1982
Raw Value $375,853
Adjusted Value $408,799

Adjusted +$33,192 for 131 sqft more living space and -$246 for being older. Net adjustment: +$32,946.

12802 SPILLWAY DR, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 3 bath 706 sqft Built 1984
Raw Value $326,978
Adjusted Value $358,143

Adjusted +$31,165 for 123 sqft more living space. Net adjustment: +$31,165.

9811 MEADOWHEATH DR, AUSTIN, TX 78729
0.04 mi 100% similar Same subdivision
3 bed 2 bath 1,232 sqft Built 1982
Raw Value $349,184
Adjusted Value $246,827

Adjusted -$102,111 for 403 sqft less living space and -$246 for being older. Net adjustment: -$102,357.

9812 MEADOWHEATH DR, AUSTIN, TX 78729
0.05 mi 100% similar Same subdivision
3 bed 2 bath 1,195 sqft Built 1982
Raw Value $344,367
Adjusted Value $251,385

Adjusted -$92,736 for 366 sqft less living space and -$246 for being older. Net adjustment: -$92,982.

The Neighborhood

This home is valued 4.4% below the R350481H - Anderson Mill Village median of $347,704. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 4.9% over the past year.

R350481H - Anderson Mill Village

typical
247 Properties
$347,704 Median Value
-4.9% YoY Change
1% Have Pool
98% Have Garage
This Home
$332,339
Median
$347,704

This home is -4.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,898 across all districts. With a homestead exemption claimed, that drops to $5,238 — saving $1,660 per year. That's $437 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%$2,968
AustinCity0.5240%$1,742
Williamson CountyCounty0.3694%$1,228
Anderson Mill Limited Districtspecial0.1243%$413
Austin Community Collegespecial0.1034%$344
Williamson County FM/RdCounty0.0443%$147
Upper Brushy Creek WCIDWater0.0170%$56
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0756%$6,898

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $251,385 would pay approximately $1,569 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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