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12707 MARIMBA TRL, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

3 bed2 bath772 sqftBuilt 1987

Property at a Glance

This home is estimated between $334,494 and $386,681, with a best estimate of $363,542. 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

$334,494 $386,681
Best Estimate
$363,542
WCAD Value
$276,458
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 $334,494 and $386,681. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

12705 MARIMBA TRL, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 2 bath 710 sqft Built 1990
Raw Value $334,464
Adjusted Value $334,494

Adjusted +$29,864 for 62 sqft more living space and -$29,834 for being older. Net adjustment: +$30.

12709 MARIMBA TRL, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 2 bath 787 sqft Built 1989
Raw Value $392,815
Adjusted Value $365,701

Adjusted -$7,225 for 15 sqft less living space and -$19,889 for being older. Net adjustment: -$27,114.

12703 MARIMBA TRL, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
4 bed 2 bath 798 sqft Built 1988
Raw Value $386,011
Adjusted Value $363,542

Adjusted -$12,524 for 26 sqft less living space and -$9,945 for being older. Net adjustment: -$22,469.

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 $386,681

Adjusted +$49,131 for 102 sqft more living space and -$19,889 for being older. Net adjustment: +$29,242.

12701 MARIMBA TRL, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 787 sqft Built 1989
Raw Value $387,563
Adjusted Value $360,449

Adjusted -$7,225 for 15 sqft less living space and -$19,889 for being older. Net adjustment: -$27,114.

The Neighborhood

This home is valued 17.5% 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

below average
358 Properties
$335,104 Median Value
-8.3% YoY Change
0% Have Pool
97% Have Garage
This Home
$276,458
Median
$335,104

This home is -17.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $4,821 across all districts. With a homestead exemption claimed, that drops to $3,519 — saving $1,302 per year. That's $293 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%$2,469
Williamson CountyCounty0.3694%$1,021
North Austin MUD #1MUD0.2165%$599
Austin Community Collegespecial0.1034%$286
Williamson County ESD #1 - Jollyville VFDESD0.1000%$276
Williamson County FM/RdCounty0.0443%$123
Upper Brushy Creek WCIDWater0.0170%$47
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7438%$4,821

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $363,542 would pay approximately $2,269 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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