Beta Williamson County, TX only — data and coverage are limited during early access.

8139 RACINE TRL, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

3 bed370,410 sqftBuilt 1991

Property at a Glance

This home is estimated between $89,241,055 and $89,613,052, with a best estimate of $89,336,395.

Estimated Value Range

$89,241,055 $89,613,052
Best Estimate
$89,336,395
WCAD Value
$50,594,508
Low Confidence

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

There are 5 comparable properties within range, but none are in R30CS - Rr West School. The estimated range of $89,241,055 and $89,613,052 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 2,110 sqft Built 1998
Raw Value $468,148
Adjusted Value $89,336,395

Adjusted +$88,927,732 for 368,300 sqft more living space and +$708 for being newer and -$60,193 for no garage. Net adjustment: +$88,868,247.

3 bed 2 bath 868 sqft Built 1998
Raw Value $444,918
Adjusted Value $89,613,052

Adjusted +$89,227,619 for 369,542 sqft more living space and +$708 for being newer and -$60,193 for no garage. Net adjustment: +$89,168,134.

3 bed 2 bath 1,857 sqft Built 1980
Raw Value $315,566
Adjusted Value $89,243,080

Adjusted +$88,988,820 for 368,553 sqft more living space and -$1,113 for being older and -$60,193 for no garage. Net adjustment: +$88,927,514.

3 bed 2 bath 1,919 sqft Built 1979
Raw Value $328,612
Adjusted Value $89,241,055

Adjusted +$88,973,850 for 368,491 sqft more living space and -$1,214 for being older and -$60,193 for no garage. Net adjustment: +$88,912,443.

4 bed 2 bath 1,350 sqft Built 1994
Raw Value $495,669
Adjusted Value $89,547,017

Adjusted +$89,111,238 for 369,060 sqft more living space and +$303 for being newer and -$60,193 for no garage. Net adjustment: +$89,051,348.

The Neighborhood

Subdivision comparison data is not available for this property.

Tax Analysis

The estimated annual property tax is $968,436 across all districts. With a homestead exemption claimed, that drops to $957,840 — saving $10,596 per year. That's $79,820 per month a buyer should budget. The assessed value increased 0.0%. 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%$451,860
Brushy Creek MUDMUD0.3868%$195,718
Williamson CountyCounty0.3694%$186,920
Austin Community Collegespecial0.1034%$52,315
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$50,595
Williamson County FM/RdCounty0.0443%$22,428
Upper Brushy Creek WCIDWater0.0170%$8,601
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$968,436
50 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $89,336,395 would pay approximately $557,635 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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