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

13011 MARIMBA TRL, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

3 bed2 bath432 sqftBuilt 1987

Property at a Glance

This home is estimated between $231,018 and $298,781, with a best estimate of $261,755. That places the property below the R390485G - Milwood Sec 28 & 29 median of $335,104, in a neighborhood that declined 8.3% over the past year.

Estimated Value Range

$231,018 $298,781
Best Estimate
$261,755
WCAD Value
$296,347
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 $231,018 and $298,781. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

13013 MARIMBA TRL, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 2 bath 620 sqft Built 1987
Raw Value $321,573
Adjusted Value $231,018

Adjusted -$90,555 for 188 sqft less living space. Net adjustment: -$90,555.

7504 GROVEDALE TRL, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 664 sqft Built 1988
Raw Value $383,541
Adjusted Value $261,847

Adjusted -$111,749 for 232 sqft less living space and -$9,945 for being older. Net adjustment: -$121,694.

13003 MARIMBA TRL, AUSTIN, TX 78729
0.04 mi 100% similar Same subdivision
3 bed 2 bath 620 sqft Built 1987
Raw Value $333,712
Adjusted Value $243,157

Adjusted -$90,555 for 188 sqft less living space. Net adjustment: -$90,555.

7600 GROVEDALE TRL, AUSTIN, TX 78729
0.04 mi 100% similar Same subdivision
3 bed 2 bath 492 sqft Built 1988
Raw Value $337,627
Adjusted Value $298,781

Adjusted -$28,901 for 60 sqft less living space and -$9,945 for being older. Net adjustment: -$38,846.

7602 GROVEDALE TRL, AUSTIN, TX 78729
0.04 mi 100% similar Same subdivision
3 bed 2 bath 600 sqft Built 1988
Raw Value $352,622
Adjusted Value $261,755

Adjusted -$80,922 for 168 sqft less living space and -$9,945 for being older. Net adjustment: -$90,867.

The Neighborhood

This home is valued 11.6% below the R390485G - Milwood Sec 28 & 29 median of $335,104. That positions it competitively for buyers comparing within the neighborhood. 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
$296,347
Median
$335,104

This home is -11.6% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,168 across all districts. With a homestead exemption claimed, that drops to $3,863 — saving $1,305 per year. That's $322 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%$2,647
Williamson CountyCounty0.3694%$1,095
North Austin MUD #1MUD0.2165%$642
Austin Community Collegespecial0.1034%$306
Williamson County ESD #1 - Jollyville VFDESD0.1000%$296
Williamson County FM/RdCounty0.0443%$131
Upper Brushy Creek WCIDWater0.0170%$50
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7438%$5,168

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $261,755 would pay approximately $1,634 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