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12933 MARIMBA TRL, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

3 bed2 bath451 sqftBuilt 1987

Property at a Glance

This home is estimated between $223,595 and $305,499, with a best estimate of $252,309. That places the property below the R390485G - Milwood Sec 28 & 29 median of $335,104, in a neighborhood that declined 8.3% over the past year.

Estimated Value Range

$223,595 $305,499
Best Estimate
$252,309
WCAD Value
$324,865
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 $223,595 and $305,499. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

13003 MARIMBA TRL, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 620 sqft Built 1987
Raw Value $333,712
Adjusted Value $252,309

Adjusted -$81,403 for 169 sqft less living space. Net adjustment: -$81,403.

12927 MARIMBA TRL, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 516 sqft Built 1991
Raw Value $344,716
Adjusted Value $273,628

Adjusted -$31,309 for 65 sqft less living space and -$39,779 for being older. Net adjustment: -$71,088.

12925 MARIMBA TRL, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 708 sqft Built 1990
Raw Value $377,220
Adjusted Value $223,595

Adjusted -$123,791 for 257 sqft less living space and -$29,834 for being older. Net adjustment: -$153,625.

12938 MODENA TRL, AUSTIN, TX 78729
0.04 mi 100% similar Same subdivision
3 bed 2 bath 655 sqft Built 1986
Raw Value $318,241
Adjusted Value $229,924

Adjusted -$98,262 for 204 sqft less living space and +$9,945 for being newer. Net adjustment: -$88,317.

13011 MARIMBA TRL, AUSTIN, TX 78729
0.05 mi 100% similar Same subdivision
3 bed 2 bath 432 sqft Built 1987
Raw Value $296,347
Adjusted Value $305,499

Adjusted +$9,152 for 19 sqft more living space. Net adjustment: +$9,152.

The Neighborhood

This home is valued 3.1% below the R390485G - Milwood Sec 28 & 29 median of $335,104. That positions it competitively for buyers comparing within the neighborhood. 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
$324,865
Median
$335,104

This home is -3.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,665 across all districts. With a homestead exemption claimed, that drops to $4,355 — saving $1,310 per year. That's $363 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%$2,901
Williamson CountyCounty0.3694%$1,200
North Austin MUD #1MUD0.2165%$703
Austin Community Collegespecial0.1034%$336
Williamson County ESD #1 - Jollyville VFDESD0.1000%$325
Williamson County FM/RdCounty0.0443%$144
Upper Brushy Creek WCIDWater0.0170%$55
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7438%$5,665

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $252,309 would pay approximately $1,575 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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