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

12100 OLD STAGE TRL, AUSTIN, TX 78750

AUSTIN, 78750 — williamson County

3 bed2 bath1,554 sqftBuilt 1976

Property at a Glance

This home is estimated between $349,148 and $403,017, with a best estimate of $393,746. That places the property below the R353476G - Anderson Mill median of $407,368, in a neighborhood that appreciated 0.2% over the past year.

Estimated Value Range

$349,148 $403,017
Best Estimate
$393,746
WCAD Value
$367,454
High Confidence

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

Based on 5 comparable properties in R353476G - Anderson Mill, this home's estimated market value is between $349,148 and $403,017. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

12102 OLD STAGE TRL, AUSTIN, TX 78750
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,647 sqft Built 1976
Raw Value $372,237
Adjusted Value $349,148

Adjusted -$23,089 for 93 sqft less living space. Net adjustment: -$23,089.

12002 OLD STAGE TRL, AUSTIN, TX 78750
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,365 sqft Built 1976
Raw Value $346,822
Adjusted Value $393,746

Adjusted +$46,924 for 189 sqft more living space. Net adjustment: +$46,924.

12104 OLD STAGE TRL, AUSTIN, TX 78750
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,327 sqft Built 1976
Raw Value $333,111
Adjusted Value $389,469

Adjusted +$56,358 for 227 sqft more living space. Net adjustment: +$56,358.

12000 OLD STAGE TRL, AUSTIN, TX 78750
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,335 sqft Built 1975
Raw Value $343,338
Adjusted Value $401,586

Adjusted +$54,372 for 219 sqft more living space and +$3,876 for being newer. Net adjustment: +$58,248.

12101 OLD STAGE TRL, AUSTIN, TX 78750
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,269 sqft Built 1975
Raw Value $328,383
Adjusted Value $403,017

Adjusted +$70,758 for 285 sqft more living space and +$3,876 for being newer. Net adjustment: +$74,634.

The Neighborhood

This home is valued 9.8% below the R353476G - Anderson Mill median of $407,368. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 0.2% over the past year.

R353476G - Anderson Mill

typical
1,663 Properties
$407,368 Median Value
+0.2% YoY Change
3% Have Pool
95% Have Garage
This Home
$367,454
Median
$407,368

This home is -9.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,627 across all districts. With a homestead exemption claimed, that drops to $5,924 — saving $1,703 per year. That's $494 per month a buyer should budget. The assessed value increased +5.7% vs the subdivision average of +0.2%. This above-average increase gives a protest opportunity score of 33 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$3,282
AustinCity0.5240%$1,926
Williamson CountyCounty0.3694%$1,358
Anderson Mill Limited Districtspecial0.1243%$457
Austin Community Collegespecial0.1034%$380
Williamson County FM/RdCounty0.0443%$163
Upper Brushy Creek WCIDWater0.0170%$62
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0756%$7,627
33 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $393,746 would pay approximately $2,458 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.

View full property details