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12918 MARIMBA TRL, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

3 bed2 bath708 sqftBuilt 1990

Property at a Glance

This home is estimated between $351,333 and $427,253, with a best estimate of $383,549. 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

$351,333 $427,253
Best Estimate
$383,549
WCAD Value
$429,871
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 $351,333 and $427,253. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

12916 MARIMBA TRL, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
4 bed 2 bath 810 sqft Built 1991
Raw Value $423,958
Adjusted Value $364,882

Adjusted -$49,131 for 102 sqft less living space and -$9,945 for being older. Net adjustment: -$59,076.

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 $351,333

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

12914 MARIMBA TRL, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 2 bath 547 sqft Built 1991
Raw Value $341,265
Adjusted Value $408,870

Adjusted +$77,550 for 161 sqft more living space and -$9,945 for being older. Net adjustment: +$67,605.

12922 MARIMBA TRL, AUSTIN, TX 78729
0.02 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.

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 $383,549

Adjusted +$25,529 for 53 sqft more living space and +$39,779 for being newer. Net adjustment: +$65,308.

The Neighborhood

This home is valued 28.3% 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

above average
358 Properties
$335,104 Median Value
-8.3% YoY Change
0% Have Pool
97% Have Garage
This Home
$429,871
Median
$335,104

This home is +28.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $7,496 across all districts. With a homestead exemption claimed, that drops to $6,166 — saving $1,330 per year. That's $514 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%$3,839
Williamson CountyCounty0.3694%$1,588
North Austin MUD #1MUD0.2165%$931
Austin Community Collegespecial0.1034%$444
Williamson County ESD #1 - Jollyville VFDESD0.1000%$430
Williamson County FM/RdCounty0.0443%$191
Upper Brushy Creek WCIDWater0.0170%$73
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7438%$7,496

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $383,549 would pay approximately $2,394 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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