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12924 MARIMBA TRL, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

3 bed2 bath839 sqftBuilt 1986

Property at a Glance

This home is estimated between $153,536 and $453,192, with a best estimate of $374,655. 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

$153,536 $453,192
Best Estimate
$374,655
WCAD Value
$362,176
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 $153,536 and $453,192. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

12920 MARIMBA TRL, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 740 sqft Built 1991
Raw Value $376,692
Adjusted Value $374,655

Adjusted +$47,686 for 99 sqft more living space and -$49,723 for being older. Net adjustment: -$2,037.

12929 MODENA TRL, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,157 sqft Built 1986
Raw Value $308,732
Adjusted Value $155,559

Adjusted -$153,173 for 318 sqft less living space. Net adjustment: -$153,173.

12925 MODENA TRL, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,162 sqft Built 1986
Raw Value $309,118
Adjusted Value $153,536

Adjusted -$155,582 for 323 sqft less living space. Net adjustment: -$155,582.

12918 MARIMBA TRL, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 708 sqft Built 1990
Raw Value $429,871
Adjusted Value $453,192

Adjusted +$63,100 for 131 sqft more living space and -$39,779 for being older. Net adjustment: +$23,321.

12925 MARIMBA TRL, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 708 sqft Built 1990
Raw Value $377,220
Adjusted Value $400,541

Adjusted +$63,100 for 131 sqft more living space and -$39,779 for being older. Net adjustment: +$23,321.

The Neighborhood

This home is valued 8.1% 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
$362,176
Median
$335,104

This home is +8.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,316 across all districts. With a homestead exemption claimed, that drops to $4,998 — saving $1,318 per year. That's $417 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%$3,235
Williamson CountyCounty0.3694%$1,338
North Austin MUD #1MUD0.2165%$784
Austin Community Collegespecial0.1034%$374
Williamson County ESD #1 - Jollyville VFDESD0.1000%$362
Williamson County FM/RdCounty0.0443%$161
Upper Brushy Creek WCIDWater0.0170%$62
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7438%$6,316

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $374,655 would pay approximately $2,339 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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