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12706 MARIMBA TRL, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

3 bed2 bath670 sqftBuilt 1989

Property at a Glance

This home is estimated between $313,868 and $357,439, with a best estimate of $346,117. 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

$313,868 $357,439
Best Estimate
$346,117
WCAD Value
$408,843
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 $313,868 and $357,439. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

12704 MARIMBA TRL, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 2 bath 740 sqft Built 1991
Raw Value $384,240
Adjusted Value $330,634

Adjusted -$33,717 for 70 sqft less living space and -$19,889 for being older. Net adjustment: -$53,606.

7605 PHEASANT ROCK RD, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 740 sqft Built 1991
Raw Value $367,474
Adjusted Value $313,868

Adjusted -$33,717 for 70 sqft less living space and -$19,889 for being older. Net adjustment: -$53,606.

7607 PHEASANT ROCK RD, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 787 sqft Built 1989
Raw Value $402,473
Adjusted Value $346,117

Adjusted -$56,356 for 117 sqft less living space. Net adjustment: -$56,356.

12713 MARIMBA TRL, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 699 sqft Built 1989
Raw Value $364,628
Adjusted Value $350,659

Adjusted -$13,969 for 29 sqft less living space. Net adjustment: -$13,969.

12711 MARIMBA TRL, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 670 sqft Built 1989
Raw Value $357,439
Adjusted Value $357,439

This comparable closely matches the subject property's features.

The Neighborhood

This home is valued 22.0% 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
$408,843
Median
$335,104

This home is +22.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $7,129 across all districts. With a homestead exemption claimed, that drops to $5,803 — saving $1,326 per year. That's $484 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%$3,651
Williamson CountyCounty0.3694%$1,510
North Austin MUD #1MUD0.2165%$885
Austin Community Collegespecial0.1034%$423
Williamson County ESD #1 - Jollyville VFDESD0.1000%$409
Williamson County FM/RdCounty0.0443%$181
Upper Brushy Creek WCIDWater0.0170%$70
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7438%$7,129

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $346,117 would pay approximately $2,160 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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