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12403 DEER FALLS DR, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

4 bed4 bath2,050 sqftBuilt 1984

Property at a Glance

This home is estimated between $397,478 and $442,751, with a best estimate of $418,746. That places the property below the R371X - Round Rock West Below 45 - Duplex median of $419,343, in a neighborhood that declined 8.8% over the past year.

Estimated Value Range

$397,478 $442,751
Best Estimate
$418,746
WCAD Value
$418,746
High Confidence

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

Based on 5 comparable properties in R371X - Round Rock West Below 45 - Duplex, this home's estimated market value is between $397,478 and $442,751. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

12401 DEER FALLS DR, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
4 bed 4 bath 2,050 sqft Built 1984
Raw Value $418,746
Adjusted Value $418,746

This comparable closely matches the subject property's features.

12407 DEER FALLS DR, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
4 bed 4 bath 2,216 sqft Built 1984
Raw Value $432,455
Adjusted Value $397,478

Adjusted -$34,977 for 166 sqft less living space. Net adjustment: -$34,977.

12305 DEER FALLS DR, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
4 bed 4 bath 2,062 sqft Built 1984
Raw Value $418,691
Adjusted Value $416,163

Adjusted -$2,528 for 12 sqft less living space. Net adjustment: -$2,528.

12402 DEER FALLS DR, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
4 bed 4 bath 1,892 sqft Built 1984
Raw Value $409,459
Adjusted Value $442,751

Adjusted +$33,292 for 158 sqft more living space. Net adjustment: +$33,292.

12404 DEER FALLS DR, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
4 bed 4 bath 1,892 sqft Built 1984
Raw Value $409,459
Adjusted Value $442,751

Adjusted +$33,292 for 158 sqft more living space. Net adjustment: +$33,292.

The Neighborhood

This home is in line with the R371X - Round Rock West Below 45 - Duplex median of $419,343. Note that values in this subdivision declined 8.8% over the past year.

R371X - Round Rock West Below 45 - Duplex

typical
462 Properties
$419,343 Median Value
-8.8% YoY Change
0% Have Pool
94% Have Garage
This Home
$418,746
Median
$419,343

This home is -0.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,171 across all districts. With a homestead exemption claimed, that drops to $6,404 — saving $1,767 per year. That's $534 per month a buyer should budget. The assessed value increased roughly in line with the neighborhood, so a tax protest is unlikely to yield significant savings.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$3,740
AustinCity0.5240%$2,194
Williamson CountyCounty0.3694%$1,547
Austin Community Collegespecial0.1034%$433
Williamson County FM/RdCounty0.0443%$186
Upper Brushy Creek WCIDWater0.0170%$71
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$8,171

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $418,746 would pay approximately $2,614 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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