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12905 RR 620, AUSTIN, TX 78750

AUSTIN, 78750 — williamson County

3 bed3 bath3,345 sqftBuilt 1972

Property at a Glance

This home is estimated between $612,651 and $962,853, with a best estimate of $832,555. That places the property above the L010D82C - Leander Williamson Abstracts le 20 Acres median of $755,063, in a neighborhood that declined 25.0% over the past year.

Estimated Value Range

$612,651 $962,853
Best Estimate
$832,555
WCAD Value
$870,911
Low Confidence

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

There are 5 comparable properties within range, but none are in L010D82C - Leander Williamson Abstracts le 20 Acres. The estimated range of $612,651 and $962,853 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 2,427 sqft Built 1978
Raw Value $483,461
Adjusted Value $750,596

Adjusted +$299,764 for 918 sqft more living space and -$32,629 for being older. Net adjustment: +$267,135.

3 bed 2 bath 2,085 sqft Built 1978
Raw Value $453,743
Adjusted Value $832,555

Adjusted +$411,441 for 1,260 sqft more living space and -$32,629 for being older. Net adjustment: +$378,812.

3 bed 2 bath 2,704 sqft Built 1998
Raw Value $544,731
Adjusted Value $612,651

Adjusted +$209,313 for 641 sqft more living space and -$141,393 for being older. Net adjustment: +$67,920.

3 bed 2 bath 1,787 sqft Built 1976
Raw Value $393,385
Adjusted Value $880,382

Adjusted +$508,750 for 1,558 sqft more living space and -$21,753 for being older. Net adjustment: +$486,997.

3 bed 2 bath 1,778 sqft Built 1978
Raw Value $483,793
Adjusted Value $962,853

Adjusted +$511,689 for 1,567 sqft more living space and -$32,629 for being older. Net adjustment: +$479,060.

The Neighborhood

This home is valued 15.3% above the L010D82C - Leander Williamson Abstracts le 20 Acres median of $755,063. With 792 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 25.0% over the past year.

L010D82C - Leander Williamson Abstracts le 20 Acres

above average
792 Properties
$755,063 Median Value
-25.0% YoY Change
5% Have Pool
55% Have Garage
This Home
$870,911
Median
$755,063

This home is +15.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $16,994 across all districts. With a homestead exemption claimed, that drops to $14,670 — saving $2,324 per year. That's $1,223 per month a buyer should budget. The assessed value increased -16.4% vs the subdivision average of -25.0%. This above-average increase gives a protest opportunity score of 43 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$7,778
AustinCity0.5240%$4,564
Williamson CountyCounty0.3694%$3,218
Austin Community Collegespecial0.1034%$901
Williamson County FM/RdCounty0.0443%$386
Upper Brushy Creek WCIDWater0.0170%$148
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$16,994
43 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $832,555 would pay approximately $5,197 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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