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8121 DARWIN CV, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

4 bed2 bath1,029 sqftBuilt 1993

Property at a Glance

This home is estimated between $410,757 and $489,966, with a best estimate of $451,613. That places the property above the R392593F - Milwood median of $450,810, in a neighborhood that declined 9.2% over the past year.

Estimated Value Range

$410,757 $489,966
Best Estimate
$451,613
WCAD Value
$467,182
High Confidence

Based on 5 comparable properties(5 in the same subdivision)

Based on 5 comparable properties in R392593F - Milwood, this home's estimated market value is between $410,757 and $489,966. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

8125 DARWIN CV, AUSTIN, TX 78729
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,405 sqft Built 1993
Raw Value $561,522
Adjusted Value $410,757

Adjusted -$150,765 for 376 sqft less living space. Net adjustment: -$150,765.

8117 DARWIN CV, AUSTIN, TX 78729
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,400 sqft Built 1993
Raw Value $638,726
Adjusted Value $489,966

Adjusted -$148,760 for 371 sqft less living space. Net adjustment: -$148,760.

8305 ALVIN HIGH LN, AUSTIN, TX 78729
0.26 mi 100% similar Same subdivision
3 bed 2 bath 926 sqft Built 1998
Raw Value $406,761
Adjusted Value $457,302

Adjusted +$41,300 for 103 sqft more living space and +$9,241 for being newer. Net adjustment: +$50,541.

8401 ALVIN HIGH LN, AUSTIN, TX 78729
0.27 mi 100% similar Same subdivision
3 bed 2 bath 971 sqft Built 1999
Raw Value $423,084
Adjusted Value $432,931

Adjusted +$23,256 for 58 sqft more living space and +$11,089 for being newer and -$24,498 for no pool. Net adjustment: +$9,847.

8409 ALVIN HIGH LN, AUSTIN, TX 78729
0.26 mi 100% similar Same subdivision
4 bed 2 bath 990 sqft Built 1999
Raw Value $424,886
Adjusted Value $451,613

Adjusted +$15,638 for 39 sqft more living space and +$11,089 for being newer. Net adjustment: +$26,727.

The Neighborhood

This home is valued 3.6% above the R392593F - Milwood median of $450,810. With 1,330 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 9.2% over the past year.

R392593F - Milwood

typical
1,330 Properties
$450,810 Median Value
-9.2% YoY Change
2% Have Pool
100% Have Garage
This Home
$467,182
Median
$450,810

This home is +3.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,147 across all districts. With a homestead exemption claimed, that drops to $6,810 — saving $1,337 per year. That's $568 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%$4,172
Williamson CountyCounty0.3694%$1,726
North Austin MUD #1MUD0.2165%$1,011
Austin Community Collegespecial0.1034%$483
Williamson County ESD #1 - Jollyville VFDESD0.1000%$467
Williamson County FM/RdCounty0.0443%$207
Upper Brushy Creek WCIDWater0.0170%$79
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7438%$8,147

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $451,613 would pay approximately $2,819 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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