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8849 ANDERSON MILL RD, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

3 bed176,149 sqftBuilt 1986

Property at a Glance

This home is estimated between $40,526,743 and $42,761,779, with a best estimate of $42,240,359.

Estimated Value Range

$40,526,743 $42,761,779
Best Estimate
$42,240,359
WCAD Value
$40,189,109
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R45CS - Rr Lakeline School. The estimated range of $40,526,743 and $42,761,779 should be treated as a rough guide.

Comparable Properties (5)

3 bed 19,800 sqft Built 1985
Raw Value $3,785,939
Adjusted Value $41,537,025

Adjusted +$37,751,187 for 156,349 sqft more living space and -$101 for being older. Net adjustment: +$37,751,086.

3 bed 21,500 sqft Built 1999
Raw Value $4,898,330
Adjusted Value $42,240,359

Adjusted +$37,340,714 for 154,649 sqft more living space and +$1,315 for being newer. Net adjustment: +$37,342,029.

3 bed 2 bath 1,995 sqft Built 1984
Raw Value $607,888
Adjusted Value $42,597,779

Adjusted +$42,050,286 for 174,154 sqft more living space and -$202 for being older and -$60,193 for no garage. Net adjustment: +$41,989,891.

3 bed 14,220 sqft Built 1977
Raw Value $1,429,150
Adjusted Value $40,526,743

Adjusted +$39,098,503 for 161,929 sqft more living space and -$910 for being older. Net adjustment: +$39,097,593.

3 bed 6,300 sqft Built 1980
Raw Value $1,751,562
Adjusted Value $42,761,779

Adjusted +$41,010,824 for 169,849 sqft more living space and -$607 for being older. Net adjustment: +$41,010,217.

The Neighborhood

Subdivision comparison data is not available for this property.

Tax Analysis

The estimated annual property tax is $784,207 across all districts. With a homestead exemption claimed, that drops to $733,414 — saving $50,793 per year. That's $61,118 per month a buyer should budget. The assessed value increased +0.1%. This increase gives a protest opportunity score of 50 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$358,929
AustinCity0.5240%$210,598
Williamson CountyCounty0.3694%$148,477
Austin Community Collegespecial0.1034%$41,556
Williamson County FM/RdCounty0.0443%$17,815
Upper Brushy Creek WCIDWater0.0170%$6,832
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$784,207
50 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $42,240,359 would pay approximately $263,663 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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