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12715 MARIMBA TRL, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

3 bed2 bath787 sqftBuilt 1989

Property at a Glance

This home is estimated between $299,976 and $421,703, with a best estimate of $407,016. 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

$299,976 $421,703
Best Estimate
$407,016
WCAD Value
$397,621
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 $299,976 and $421,703. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

12713 MARIMBA TRL, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 2 bath 699 sqft Built 1989
Raw Value $364,628
Adjusted Value $407,016

Adjusted +$42,388 for 88 sqft more living space. Net adjustment: +$42,388.

12717 MARIMBA TRL, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 2 bath 837 sqft Built 1987
Raw Value $349,886
Adjusted Value $345,691

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

12711 MARIMBA TRL, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 670 sqft Built 1989
Raw Value $357,439
Adjusted Value $413,795

Adjusted +$56,356 for 117 sqft more living space. Net adjustment: +$56,356.

12719 MARIMBA TRL, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 772 sqft Built 1987
Raw Value $272,862
Adjusted Value $299,976

Adjusted +$7,225 for 15 sqft more living space and +$19,889 for being newer. Net adjustment: +$27,114.

12721 MARIMBA TRL, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 670 sqft Built 1989
Raw Value $365,347
Adjusted Value $421,703

Adjusted +$56,356 for 117 sqft more living space. Net adjustment: +$56,356.

The Neighborhood

This home is valued 18.7% 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
$397,621
Median
$335,104

This home is +18.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,934 across all districts. With a homestead exemption claimed, that drops to $5,610 — saving $1,324 per year. That's $468 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%$3,551
Williamson CountyCounty0.3694%$1,469
North Austin MUD #1MUD0.2165%$861
Austin Community Collegespecial0.1034%$411
Williamson County ESD #1 - Jollyville VFDESD0.1000%$398
Williamson County FM/RdCounty0.0443%$176
Upper Brushy Creek WCIDWater0.0170%$68
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7438%$6,934

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $407,016 would pay approximately $2,541 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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