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12802 SPILLWAY DR, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

3 bed3 bath706 sqftBuilt 1984

Property at a Glance

This home is estimated between $177,763 and $377,634, with a best estimate of $301,174. 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

$177,763 $377,634
Best Estimate
$301,174
WCAD Value
$326,978
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 $177,763 and $377,634. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

12803 SPILLWAY DR, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 829 sqft Built 1984
Raw Value $332,339
Adjusted Value $301,174

Adjusted -$31,165 for 123 sqft less living space. Net adjustment: -$31,165.

12807 SPILLWAY DR, AUSTIN, TX 78729
0.04 mi 100% similar Same subdivision
3 bed 2 bath 698 sqft Built 1982
Raw Value $375,853
Adjusted Value $377,634

Adjusted +$2,027 for 8 sqft more living space and -$246 for being older. Net adjustment: +$1,781.

9809 MEADOWHEATH DR, AUSTIN, TX 78729
0.08 mi 100% similar Same subdivision
3 bed 2 bath 772 sqft Built 1982
Raw Value $393,661
Adjusted Value $376,692

Adjusted -$16,723 for 66 sqft less living space and -$246 for being older. Net adjustment: -$16,969.

12806 SPILLWAY DR, AUSTIN, TX 78729
0.02 mi 98% similar Same subdivision
3 bed 3 bath 1,290 sqft Built 1982
Raw Value $325,981
Adjusted Value $177,763

Adjusted -$147,972 for 584 sqft less living space and -$246 for being older. Net adjustment: -$148,218.

12808 SPILLWAY DR, AUSTIN, TX 78729
0.03 mi 98% similar Same subdivision
3 bed 3 bath 1,324 sqft Built 1982
Raw Value $348,810
Adjusted Value $191,978

Adjusted -$156,586 for 618 sqft less living space and -$246 for being older. Net adjustment: -$156,832.

The Neighborhood

This home is valued 6.0% 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
$326,978
Median
$347,704

This home is -6.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,787 across all districts. With a homestead exemption claimed, that drops to $5,133 — saving $1,654 per year. That's $428 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%$2,920
AustinCity0.5240%$1,713
Williamson CountyCounty0.3694%$1,208
Anderson Mill Limited Districtspecial0.1243%$407
Austin Community Collegespecial0.1034%$338
Williamson County FM/RdCounty0.0443%$145
Upper Brushy Creek WCIDWater0.0170%$56
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0756%$6,787

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $301,174 would pay approximately $1,880 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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