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12916 MARIMBA TRL, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

4 bed2 bath810 sqftBuilt 1991

Property at a Glance

This home is estimated between $410,409 and $488,947, with a best estimate of $442,624. 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

$410,409 $488,947
Best Estimate
$442,624
WCAD Value
$423,958
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 $410,409 and $488,947. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

12918 MARIMBA TRL, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 2 bath 708 sqft Built 1990
Raw Value $429,871
Adjusted Value $488,947

Adjusted +$49,131 for 102 sqft more living space and +$9,945 for being newer. Net adjustment: +$59,076.

12920 MARIMBA TRL, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 740 sqft Built 1991
Raw Value $376,692
Adjusted Value $410,409

Adjusted +$33,717 for 70 sqft more living space. Net adjustment: +$33,717.

12912 MARIMBA TRL, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 708 sqft Built 1990
Raw Value $408,449
Adjusted Value $467,525

Adjusted +$49,131 for 102 sqft more living space and +$9,945 for being newer. Net adjustment: +$59,076.

12915 MARGIT DR, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 653 sqft Built 1987
Raw Value $324,186
Adjusted Value $439,588

Adjusted +$75,623 for 157 sqft more living space and +$39,779 for being newer. Net adjustment: +$115,402.

12917 MARGIT DR, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 655 sqft Built 1986
Raw Value $318,241
Adjusted Value $442,624

Adjusted +$74,660 for 155 sqft more living space and +$49,723 for being newer. Net adjustment: +$124,383.

The Neighborhood

This home is valued 26.5% 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
$423,958
Median
$335,104

This home is +26.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $7,393 across all districts. With a homestead exemption claimed, that drops to $6,064 — saving $1,329 per year. That's $505 per month a buyer should budget. The assessed value increased -1.9% vs the subdivision average of -8.3%. This above-average increase gives a protest opportunity score of 32 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$3,786
Williamson CountyCounty0.3694%$1,566
North Austin MUD #1MUD0.2165%$918
Austin Community Collegespecial0.1034%$438
Williamson County ESD #1 - Jollyville VFDESD0.1000%$424
Williamson County FM/RdCounty0.0443%$188
Upper Brushy Creek WCIDWater0.0170%$72
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7438%$7,393
32 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $442,624 would pay approximately $2,763 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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