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12806 SPILLWAY DR, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

3 bed3 bath1,290 sqftBuilt 1982

Property at a Glance

This home is estimated between $268,311 and $374,056, with a best estimate of $330,777. 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

$268,311 $374,056
Best Estimate
$330,777
WCAD Value
$325,981
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 $268,311 and $374,056. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

12804 SPILLWAY DR, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 3 bath 1,587 sqft Built 1982
Raw Value $343,564
Adjusted Value $268,311

Adjusted -$75,253 for 297 sqft less living space. Net adjustment: -$75,253.

12808 SPILLWAY DR, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 3 bath 1,324 sqft Built 1982
Raw Value $348,810
Adjusted Value $340,195

Adjusted -$8,615 for 34 sqft less living space. Net adjustment: -$8,615.

12805 SPILLWAY DR, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,270 sqft Built 1982
Raw Value $322,189
Adjusted Value $327,257

Adjusted +$5,068 for 20 sqft more living space. Net adjustment: +$5,068.

9814 MEADOWHEATH DR, AUSTIN, TX 78729
0.05 mi 100% similar Same subdivision
3 bed 2 bath 1,380 sqft Built 1982
Raw Value $353,581
Adjusted Value $330,777

Adjusted -$22,804 for 90 sqft less living space. Net adjustment: -$22,804.

9815 MEADOWHEATH DR, AUSTIN, TX 78729
0.05 mi 100% similar Same subdivision
3 bed 2 bath 1,424 sqft Built 1982
Raw Value $408,008
Adjusted Value $374,056

Adjusted -$33,952 for 134 sqft less living space. Net adjustment: -$33,952.

The Neighborhood

This home is valued 6.2% 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
$325,981
Median
$347,704

This home is -6.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,766 across all districts. With a homestead exemption claimed, that drops to $5,114 — saving $1,652 per year. That's $426 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%$2,911
AustinCity0.5240%$1,708
Williamson CountyCounty0.3694%$1,204
Anderson Mill Limited Districtspecial0.1243%$405
Austin Community Collegespecial0.1034%$337
Williamson County FM/RdCounty0.0443%$145
Upper Brushy Creek WCIDWater0.0170%$55
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0756%$6,766

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $330,777 would pay approximately $2,065 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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