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12804 SPILLWAY DR, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

3 bed3 bath1,587 sqftBuilt 1982

Property at a Glance

This home is estimated between $401,234 and $449,308, with a best estimate of $406,030. That places the property above the R350481H - Anderson Mill Village median of $347,704, in a neighborhood that declined 4.9% over the past year.

Estimated Value Range

$401,234 $449,308
Best Estimate
$406,030
WCAD Value
$343,564
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 $401,234 and $449,308. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

12806 SPILLWAY DR, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 3 bath 1,290 sqft Built 1982
Raw Value $325,981
Adjusted Value $401,234

Adjusted +$75,253 for 297 sqft more living space. Net adjustment: +$75,253.

12808 SPILLWAY DR, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 3 bath 1,324 sqft Built 1982
Raw Value $348,810
Adjusted Value $415,448

Adjusted +$66,638 for 263 sqft more living space. Net adjustment: +$66,638.

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 $402,509

Adjusted +$80,320 for 317 sqft more living space. Net adjustment: +$80,320.

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 $449,308

Adjusted +$41,300 for 163 sqft more living space. Net adjustment: +$41,300.

9814 MEADOWHEATH DR, AUSTIN, TX 78729
0.06 mi 100% similar Same subdivision
3 bed 2 bath 1,380 sqft Built 1982
Raw Value $353,581
Adjusted Value $406,030

Adjusted +$52,449 for 207 sqft more living space. Net adjustment: +$52,449.

The Neighborhood

This home is valued 1.2% 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
$343,564
Median
$347,704

This home is -1.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,131 across all districts. With a homestead exemption claimed, that drops to $5,457 — saving $1,674 per year. That's $455 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%$3,068
AustinCity0.5240%$1,800
Williamson CountyCounty0.3694%$1,269
Anderson Mill Limited Districtspecial0.1243%$427
Austin Community Collegespecial0.1034%$355
Williamson County FM/RdCounty0.0443%$152
Upper Brushy Creek WCIDWater0.0170%$58
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0756%$7,131

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $406,030 would pay approximately $2,534 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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