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12409 TURTLE ROCK RD, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

4 bed2 bath2,483 sqftBuilt 1997

Property at a Glance

This home is estimated between $484,718 and $497,810, with a best estimate of $489,128. That places the property above 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

$484,718 $497,810
Best Estimate
$489,128
WCAD Value
$491,431
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 $484,718 and $497,810. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

12405 TURTLE ROCK RD, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
4 bed 4 bath 2,448 sqft Built 1994
Raw Value $478,035
Adjusted Value $497,810

Adjusted +$7,375 for 35 sqft more living space and +$12,400 for being newer. Net adjustment: +$19,775.

12403 TURTLE ROCK RD, AUSTIN, TX 78729
0.04 mi 100% similar Same subdivision
4 bed 3 bath 2,572 sqft Built 1995
Raw Value $499,614
Adjusted Value $489,128

Adjusted -$18,753 for 89 sqft less living space and +$8,267 for being newer. Net adjustment: -$10,486.

12401 TURTLE ROCK RD, AUSTIN, TX 78729
0.05 mi 100% similar Same subdivision
4 bed 3 bath 2,572 sqft Built 1995
Raw Value $499,614
Adjusted Value $489,128

Adjusted -$18,753 for 89 sqft less living space and +$8,267 for being newer. Net adjustment: -$10,486.

12309 TURTLE ROCK RD, AUSTIN, TX 78729
0.06 mi 100% similar Same subdivision
4 bed 3 bath 2,572 sqft Built 1995
Raw Value $499,614
Adjusted Value $489,128

Adjusted -$18,753 for 89 sqft less living space and +$8,267 for being newer. Net adjustment: -$10,486.

12307 TURTLE ROCK RD, AUSTIN, TX 78729
0.07 mi 100% similar Same subdivision
4 bed 3 bath 2,572 sqft Built 1996
Raw Value $499,338
Adjusted Value $484,718

Adjusted -$18,753 for 89 sqft less living space and +$4,133 for being newer. Net adjustment: -$14,620.

The Neighborhood

This home is valued 17.2% above the R371X - Round Rock West Below 45 - Duplex median of $419,343. With 462 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 8.8% over the past year.

R371X - Round Rock West Below 45 - Duplex

above average
462 Properties
$419,343 Median Value
-8.8% YoY Change
0% Have Pool
94% Have Garage
This Home
$491,431
Median
$419,343

This home is +17.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,589 across all districts. With a homestead exemption claimed, that drops to $7,733 — saving $1,856 per year. That's $644 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%$4,389
AustinCity0.5240%$2,575
Williamson CountyCounty0.3694%$1,816
Austin Community Collegespecial0.1034%$508
Williamson County FM/RdCounty0.0443%$218
Upper Brushy Creek WCIDWater0.0170%$84
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$9,589

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $489,128 would pay approximately $3,053 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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