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

12507 TREE LINE DR, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

3 bed2 bath1,553 sqftBuilt 1980

Property at a Glance

This home is estimated between $325,793 and $502,581, with a best estimate of $440,758. That places the property above the R373380F - Springwoods South of Anderson Mill median of $428,261, in a neighborhood that declined 1.5% over the past year.

Estimated Value Range

$325,793 $502,581
Best Estimate
$440,758
WCAD Value
$416,709
Medium Confidence

Based on 5 comparable properties(4 in the same subdivision)

Based on 5 comparable properties (4 in the same subdivision, 1 nearby), the estimated range is $325,793 and $502,581. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

12509 TREE LINE DR, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,486 sqft Built 1980
Raw Value $395,804
Adjusted Value $413,698

Adjusted +$17,894 for 67 sqft more living space. Net adjustment: +$17,894.

12511 TREE LINE DR, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,410 sqft Built 1980
Raw Value $464,390
Adjusted Value $502,581

Adjusted +$38,191 for 143 sqft more living space. Net adjustment: +$38,191.

8801 SPARKLING CREEK DR, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,654 sqft Built 1980
Raw Value $514,169
Adjusted Value $487,195

Adjusted -$26,974 for 101 sqft less living space. Net adjustment: -$26,974.

3 bed 2 bath 1,781 sqft Built 1981
Raw Value $375,239
Adjusted Value $325,793

Adjusted -$60,892 for 228 sqft less living space and +$11,446 for being newer. Net adjustment: -$49,446.

12513 TREE LINE DR, AUSTIN, TX 78729
0.05 mi 100% similar Same subdivision
3 bed 2 bath 1,374 sqft Built 1980
Raw Value $392,952
Adjusted Value $440,758

Adjusted +$47,806 for 179 sqft more living space. Net adjustment: +$47,806.

The Neighborhood

This home is valued 2.7% below the R373380F - Springwoods South of Anderson Mill median of $428,261. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 1.5% over the past year.

R373380F - Springwoods South of Anderson Mill

typical
81 Properties
$428,261 Median Value
-1.5% YoY Change
3% Have Pool
95% Have Garage
This Home
$416,709
Median
$428,261

This home is -2.7% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,131 across all districts. With a homestead exemption claimed, that drops to $6,367 — saving $1,764 per year. That's $531 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%$3,722
AustinCity0.5240%$2,184
Williamson CountyCounty0.3694%$1,540
Austin Community Collegespecial0.1034%$431
Williamson County FM/RdCounty0.0443%$185
Upper Brushy Creek WCIDWater0.0170%$71
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$8,131

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $440,758 would pay approximately $2,751 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