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12401 TREE LINE DR, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

4 bed4 bath1,992 sqftBuilt 1982

Property at a Glance

This home is estimated between $375,359 and $438,302, with a best estimate of $423,311. 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

$375,359 $438,302
Best Estimate
$423,311
WCAD Value
$402,579
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 $375,359 and $438,302. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

12403 TREE LINE DR, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
4 bed 4 bath 2,185 sqft Built 1981
Raw Value $411,893
Adjusted Value $375,359

Adjusted -$40,667 for 193 sqft less living space and +$4,133 for being newer. Net adjustment: -$36,534.

8701 PINEY POINT DR, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
4 bed 4 bath 2,260 sqft Built 1982
Raw Value $437,971
Adjusted Value $381,501

Adjusted -$56,470 for 268 sqft less living space. Net adjustment: -$56,470.

8703 PINEY POINT DR, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
4 bed 4 bath 1,848 sqft Built 1982
Raw Value $392,969
Adjusted Value $423,311

Adjusted +$30,342 for 144 sqft more living space. Net adjustment: +$30,342.

12405 TREE LINE DR, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 4 bath 1,770 sqft Built 1981
Raw Value $377,447
Adjusted Value $428,357

Adjusted +$46,777 for 222 sqft more living space and +$4,133 for being newer. Net adjustment: +$50,910.

8705 PINEY POINT DR, AUSTIN, TX 78729
0.04 mi 100% similar Same subdivision
3 bed 4 bath 1,692 sqft Built 1982
Raw Value $375,090
Adjusted Value $438,302

Adjusted +$63,212 for 300 sqft more living space. Net adjustment: +$63,212.

The Neighborhood

This home is valued 4.0% below the R371X - Round Rock West Below 45 - Duplex median of $419,343. That positions it competitively for buyers comparing within the neighborhood. 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
$402,579
Median
$419,343

This home is -4.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,855 across all districts. With a homestead exemption claimed, that drops to $6,109 — saving $1,746 per year. That's $509 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%$3,595
AustinCity0.5240%$2,110
Williamson CountyCounty0.3694%$1,487
Austin Community Collegespecial0.1034%$416
Williamson County FM/RdCounty0.0443%$178
Upper Brushy Creek WCIDWater0.0170%$68
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$7,855

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $423,311 would pay approximately $2,642 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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