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

12912 STEEPLE CHASE DR, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

3 bed2 bath670 sqftBuilt 1989

Property at a Glance

This home is estimated between $287,399 and $355,300, with a best estimate of $339,487. That places the property above the R390485G - Milwood Sec 28 & 29 median of $335,104, in a neighborhood that declined 8.3% over the past year.

Estimated Value Range

$287,399 $355,300
Best Estimate
$339,487
WCAD Value
$366,808
High Confidence

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

Based on 5 comparable properties in R390485G - Milwood Sec 28 & 29, this home's estimated market value is between $287,399 and $355,300. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

12917 STEEPLE CHASE DR, AUSTIN, TX 78729
0.00 mi 100% similar Same subdivision
3 bed 2 bath 872 sqft Built 1986
Raw Value $354,864
Adjusted Value $287,399

Adjusted -$97,299 for 202 sqft less living space and +$29,834 for being newer. Net adjustment: -$67,465.

12920 STEEPLE CHASE DR, AUSTIN, TX 78729
0.00 mi 100% similar Same subdivision
3 bed 2 bath 746 sqft Built 1986
Raw Value $346,260
Adjusted Value $339,487

Adjusted -$36,607 for 76 sqft less living space and +$29,834 for being newer. Net adjustment: -$6,773.

12900 STEEPLE CHASE DR, AUSTIN, TX 78729
0.00 mi 100% similar Same subdivision
4 bed 2 bath 753 sqft Built 1990
Raw Value $391,343
Adjusted Value $341,419

Adjusted -$39,979 for 83 sqft less living space and -$9,945 for being older. Net adjustment: -$49,924.

13009 STEEPLE CHASE DR, AUSTIN, TX 78729
0.00 mi 100% similar Same subdivision
3 bed 2 bath 655 sqft Built 1986
Raw Value $318,241
Adjusted Value $355,300

Adjusted +$7,225 for 15 sqft more living space and +$29,834 for being newer. Net adjustment: +$37,059.

12921 STEEPLE CHASE DR, AUSTIN, TX 78729
0.00 mi 100% similar Same subdivision
3 bed 2 bath 655 sqft Built 1986
Raw Value $291,460
Adjusted Value $328,519

Adjusted +$7,225 for 15 sqft more living space and +$29,834 for being newer. Net adjustment: +$37,059.

The Neighborhood

This home is valued 9.5% above the R390485G - Milwood Sec 28 & 29 median of $335,104. With 358 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 8.3% over the past year.

R390485G - Milwood Sec 28 & 29

typical
358 Properties
$335,104 Median Value
-8.3% YoY Change
0% Have Pool
97% Have Garage
This Home
$366,808
Median
$335,104

This home is +9.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,396 across all districts. With a homestead exemption claimed, that drops to $5,078 — saving $1,318 per year. That's $423 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%$3,276
Williamson CountyCounty0.3694%$1,355
North Austin MUD #1MUD0.2165%$794
Austin Community Collegespecial0.1034%$379
Williamson County ESD #1 - Jollyville VFDESD0.1000%$367
Williamson County FM/RdCounty0.0443%$163
Upper Brushy Creek WCIDWater0.0170%$62
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7438%$6,396

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $339,487 would pay approximately $2,119 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