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12605 MARIMBA TRL, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

3 bed2 bath912 sqftBuilt 1990

Property at a Glance

This home is estimated between $267,941 and $518,194, with a best estimate of $497,083. 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

$267,941 $518,194
Best Estimate
$497,083
WCAD Value
$418,587
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 $267,941 and $518,194. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

12607 MARIMBA TRL, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 2 bath 870 sqft Built 1989
Raw Value $435,759
Adjusted Value $465,934

Adjusted +$20,230 for 42 sqft more living space and +$9,945 for being newer. Net adjustment: +$30,175.

12603 MARIMBA TRL, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 2 bath 663 sqft Built 1990
Raw Value $391,801
Adjusted Value $511,739

Adjusted +$119,938 for 249 sqft more living space. Net adjustment: +$119,938.

12601 MARIMBA TRL, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 532 sqft Built 1990
Raw Value $335,157
Adjusted Value $518,194

Adjusted +$183,037 for 380 sqft more living space. Net adjustment: +$183,037.

12601 OLYMPIAD DR, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,034 sqft Built 1987
Raw Value $296,872
Adjusted Value $267,941

Adjusted -$58,765 for 122 sqft less living space and +$29,834 for being newer. Net adjustment: -$28,931.

12611 MARIMBA TRL, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 668 sqft Built 1989
Raw Value $369,609
Adjusted Value $497,083

Adjusted +$117,529 for 244 sqft more living space and +$9,945 for being newer. Net adjustment: +$127,474.

The Neighborhood

This home is valued 24.9% 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

above average
358 Properties
$335,104 Median Value
-8.3% YoY Change
0% Have Pool
97% Have Garage
This Home
$418,587
Median
$335,104

This home is +24.9% above the subdivision median.

Tax Analysis

The estimated annual property tax is $7,299 across all districts. With a homestead exemption claimed, that drops to $5,972 — saving $1,327 per year. That's $498 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%$3,738
Williamson CountyCounty0.3694%$1,546
North Austin MUD #1MUD0.2165%$906
Austin Community Collegespecial0.1034%$433
Williamson County ESD #1 - Jollyville VFDESD0.1000%$419
Williamson County FM/RdCounty0.0443%$186
Upper Brushy Creek WCIDWater0.0170%$71
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7438%$7,299

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $497,083 would pay approximately $3,103 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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