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12717 MARIMBA TRL, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

3 bed2 bath837 sqftBuilt 1987

Property at a Glance

This home is estimated between $304,171 and $425,898, with a best estimate of $401,816. 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

$304,171 $425,898
Best Estimate
$401,816
WCAD Value
$349,886
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 $304,171 and $425,898. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

12719 MARIMBA TRL, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 2 bath 772 sqft Built 1987
Raw Value $272,862
Adjusted Value $304,171

Adjusted +$31,309 for 65 sqft more living space. Net adjustment: +$31,309.

12715 MARIMBA TRL, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 2 bath 787 sqft Built 1989
Raw Value $397,621
Adjusted Value $401,816

Adjusted +$24,084 for 50 sqft more living space and -$19,889 for being older. Net adjustment: +$4,195.

12721 MARIMBA TRL, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 670 sqft Built 1989
Raw Value $365,347
Adjusted Value $425,898

Adjusted +$80,440 for 167 sqft more living space and -$19,889 for being older. Net adjustment: +$60,551.

12713 MARIMBA TRL, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 699 sqft Built 1989
Raw Value $364,628
Adjusted Value $411,210

Adjusted +$66,471 for 138 sqft more living space and -$19,889 for being older. Net adjustment: +$46,582.

12801 MARIMBA TRL, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 837 sqft Built 1987
Raw Value $311,522
Adjusted Value $311,522

This comparable closely matches the subject property's features.

The Neighborhood

This home is valued 4.4% 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
$349,886
Median
$335,104

This home is +4.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,101 across all districts. With a homestead exemption claimed, that drops to $4,786 — saving $1,315 per year. That's $399 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%$3,125
Williamson CountyCounty0.3694%$1,293
North Austin MUD #1MUD0.2165%$758
Austin Community Collegespecial0.1034%$362
Williamson County ESD #1 - Jollyville VFDESD0.1000%$350
Williamson County FM/RdCounty0.0443%$155
Upper Brushy Creek WCIDWater0.0170%$59
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7438%$6,101

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $401,816 would pay approximately $2,508 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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