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12925 MARIMBA TRL, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

3 bed2 bath708 sqftBuilt 1990

Property at a Glance

This home is estimated between $247,541 and $427,253, with a best estimate of $376,793. 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

$247,541 $427,253
Best Estimate
$376,793
WCAD Value
$377,220
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 $247,541 and $427,253. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

12927 MARIMBA TRL, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 2 bath 516 sqft Built 1991
Raw Value $344,716
Adjusted Value $427,253

Adjusted +$92,482 for 192 sqft more living space and -$9,945 for being older. Net adjustment: +$82,537.

12923 MARIMBA TRL, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 2 bath 740 sqft Built 1991
Raw Value $387,627
Adjusted Value $362,268

Adjusted -$15,414 for 32 sqft less living space and -$9,945 for being older. Net adjustment: -$25,359.

12929 MARIMBA TRL, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 740 sqft Built 1991
Raw Value $402,152
Adjusted Value $376,793

Adjusted -$15,414 for 32 sqft less living space and -$9,945 for being older. Net adjustment: -$25,359.

12921 MARIMBA TRL, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 632 sqft Built 1991
Raw Value $377,543
Adjusted Value $404,205

Adjusted +$36,607 for 76 sqft more living space and -$9,945 for being older. Net adjustment: +$26,662.

12931 MARIMBA TRL, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 811 sqft Built 1987
Raw Value $267,320
Adjusted Value $247,541

Adjusted -$49,613 for 103 sqft less living space and +$29,834 for being newer. Net adjustment: -$19,779.

The Neighborhood

This home is valued 12.6% 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
$377,220
Median
$335,104

This home is +12.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,578 across all districts. With a homestead exemption claimed, that drops to $5,258 — saving $1,320 per year. That's $438 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%$3,369
Williamson CountyCounty0.3694%$1,394
North Austin MUD #1MUD0.2165%$817
Austin Community Collegespecial0.1034%$390
Williamson County ESD #1 - Jollyville VFDESD0.1000%$377
Williamson County FM/RdCounty0.0443%$167
Upper Brushy Creek WCIDWater0.0170%$64
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7438%$6,578

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $376,793 would pay approximately $2,352 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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