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12922 MARIMBA TRL, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

3 bed2 bath516 sqftBuilt 1991

Property at a Glance

This home is estimated between $268,796 and $347,334, with a best estimate of $301,011. 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

$268,796 $347,334
Best Estimate
$301,011
WCAD Value
$344,716
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 $268,796 and $347,334. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

12920 MARIMBA TRL, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 2 bath 740 sqft Built 1991
Raw Value $376,692
Adjusted Value $268,796

Adjusted -$107,896 for 224 sqft less living space. Net adjustment: -$107,896.

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 $347,334

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

12917 MARGIT DR, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 655 sqft Built 1986
Raw Value $318,241
Adjusted Value $301,011

Adjusted -$66,953 for 139 sqft less living space and +$49,723 for being newer. Net adjustment: -$17,230.

12923 MARIMBA TRL, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 740 sqft Built 1991
Raw Value $387,627
Adjusted Value $279,731

Adjusted -$107,896 for 224 sqft less living space. Net adjustment: -$107,896.

12921 MARIMBA TRL, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 632 sqft Built 1991
Raw Value $377,543
Adjusted Value $321,668

Adjusted -$55,875 for 116 sqft less living space. Net adjustment: -$55,875.

The Neighborhood

This home is valued 2.9% 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
$344,716
Median
$335,104

This home is +2.9% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,011 across all districts. With a homestead exemption claimed, that drops to $4,697 — saving $1,314 per year. That's $391 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%$3,079
Williamson CountyCounty0.3694%$1,274
North Austin MUD #1MUD0.2165%$746
Austin Community Collegespecial0.1034%$356
Williamson County ESD #1 - Jollyville VFDESD0.1000%$345
Williamson County FM/RdCounty0.0443%$153
Upper Brushy Creek WCIDWater0.0170%$59
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7438%$6,011

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $301,011 would pay approximately $1,879 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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