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12713 MARIMBA TRL, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

3 bed2 bath699 sqftBuilt 1989

Property at a Glance

This home is estimated between $257,589 and $371,408, with a best estimate of $350,427. 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

$257,589 $371,408
Best Estimate
$350,427
WCAD Value
$364,628
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 $257,589 and $371,408. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

12711 MARIMBA TRL, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 2 bath 670 sqft Built 1989
Raw Value $357,439
Adjusted Value $371,408

Adjusted +$13,969 for 29 sqft more living space. Net adjustment: +$13,969.

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 $355,233

Adjusted -$42,388 for 88 sqft less living space. Net adjustment: -$42,388.

12709 MARIMBA TRL, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 787 sqft Built 1989
Raw Value $392,815
Adjusted Value $350,427

Adjusted -$42,388 for 88 sqft less living space. Net adjustment: -$42,388.

12717 MARIMBA TRL, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 837 sqft Built 1987
Raw Value $349,886
Adjusted Value $303,304

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

12719 MARIMBA TRL, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 772 sqft Built 1987
Raw Value $272,862
Adjusted Value $257,589

Adjusted -$35,162 for 73 sqft less living space and +$19,889 for being newer. Net adjustment: -$15,273.

The Neighborhood

This home is valued 8.8% 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
$364,628
Median
$335,104

This home is +8.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,358 across all districts. With a homestead exemption claimed, that drops to $5,041 — saving $1,317 per year. That's $420 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%$3,256
Williamson CountyCounty0.3694%$1,347
North Austin MUD #1MUD0.2165%$789
Austin Community Collegespecial0.1034%$377
Williamson County ESD #1 - Jollyville VFDESD0.1000%$365
Williamson County FM/RdCounty0.0443%$162
Upper Brushy Creek WCIDWater0.0170%$62
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7438%$6,358

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $350,427 would pay approximately $2,187 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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