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12507 GRISTMILL CV, AUSTIN, TX 78750

AUSTIN, 78750 — williamson County

3 bed2 bath2,143 sqftBuilt 1978

Property at a Glance

This home is estimated between $401,015 and $597,735, with a best estimate of $503,130. That places the property above the R353476G - Anderson Mill median of $407,368, in a neighborhood that appreciated 0.2% over the past year.

Estimated Value Range

$401,015 $597,735
Best Estimate
$503,130
WCAD Value
$454,826
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 $401,015 and $597,735. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

12501 MOSSY BARK TRL, AUSTIN, TX 78750
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,557 sqft Built 1978
Raw Value $452,246
Adjusted Value $597,735

Adjusted +$145,489 for 586 sqft more living space. Net adjustment: +$145,489.

12501 GRISTMILL CV, AUSTIN, TX 78750
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,654 sqft Built 1978
Raw Value $451,872
Adjusted Value $573,278

Adjusted +$121,406 for 489 sqft more living space. Net adjustment: +$121,406.

12500 GRISTMILL CV, AUSTIN, TX 78750
0.03 mi 100% similar Same subdivision
4 bed 2 bath 2,820 sqft Built 1978
Raw Value $569,097
Adjusted Value $401,015

Adjusted -$168,082 for 677 sqft less living space. Net adjustment: -$168,082.

12500 MOSSY BARK TRL, AUSTIN, TX 78750
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,812 sqft Built 1978
Raw Value $420,951
Adjusted Value $503,130

Adjusted +$82,179 for 331 sqft more living space. Net adjustment: +$82,179.

12601 GRISTMILL CV, AUSTIN, TX 78750
0.24 mi 100% similar Same subdivision
4 bed 2 bath 2,177 sqft Built 1978
Raw Value $449,951
Adjusted Value $441,510

Adjusted -$8,441 for 34 sqft less living space. Net adjustment: -$8,441.

The Neighborhood

This home is valued 11.6% above the R353476G - Anderson Mill median of $407,368. With 1,663 homes in the subdivision, the property sits in the upper tier. 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
$454,826
Median
$407,368

This home is +11.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,441 across all districts. With a homestead exemption claimed, that drops to $7,629 — saving $1,812 per year. That's $636 per month a buyer should budget. The assessed value increased +18.9% vs the subdivision average of +0.2%. This above-average increase gives a protest opportunity score of 90 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$4,062
AustinCity0.5240%$2,383
Williamson CountyCounty0.3694%$1,680
Anderson Mill Limited Districtspecial0.1243%$566
Austin Community Collegespecial0.1034%$470
Williamson County FM/RdCounty0.0443%$202
Upper Brushy Creek WCIDWater0.0170%$77
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0756%$9,441
90 / 100

There may be a strong case to protest this appraisal.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $503,130 would pay approximately $3,141 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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