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13122 GREYBULL TRL, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

3 bed2 bath1,459 sqftBuilt 1986

Property at a Glance

This home is estimated between $413,380 and $579,785, with a best estimate of $496,598. That places the property above the R3P3485G - Milwood Sec 22,23,26,27 - Partially in TCAD median of $424,102, in a neighborhood that declined 1.8% over the past year.

Estimated Value Range

$413,380 $579,785
Best Estimate
$496,598
WCAD Value
$401,074
High Confidence

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

Based on 5 comparable properties in R3P3485G - Milwood Sec 22,23,26,27 - Partially in TCAD, this home's estimated market value is between $413,380 and $579,785. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

13124 GREYBULL TRL, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,093 sqft Built 1986
Raw Value $406,984
Adjusted Value $552,362

Adjusted +$145,378 for 366 sqft more living space. Net adjustment: +$145,378.

13120 GREYBULL TRL, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,308 sqft Built 1986
Raw Value $366,931
Adjusted Value $426,909

Adjusted +$59,978 for 151 sqft more living space. Net adjustment: +$59,978.

13126 GREYBULL TRL, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,433 sqft Built 1986
Raw Value $403,053
Adjusted Value $413,380

Adjusted +$10,327 for 26 sqft more living space. Net adjustment: +$10,327.

13118 GREYBULL TRL, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,326 sqft Built 1986
Raw Value $443,769
Adjusted Value $496,598

Adjusted +$52,829 for 133 sqft more living space. Net adjustment: +$52,829.

13128 GREYBULL TRL, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,093 sqft Built 1986
Raw Value $434,407
Adjusted Value $579,785

Adjusted +$145,378 for 366 sqft more living space. Net adjustment: +$145,378.

The Neighborhood

This home is valued 5.4% below the R3P3485G - Milwood Sec 22,23,26,27 - Partially in TCAD median of $424,102. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 1.8% over the past year.

R3P3485G - Milwood Sec 22,23,26,27 - Partially in TCAD

typical
541 Properties
$424,102 Median Value
-1.8% YoY Change
1% Have Pool
99% Have Garage
This Home
$401,074
Median
$424,102

This home is -5.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,994 across all districts. With a homestead exemption claimed, that drops to $5,669 — saving $1,325 per year. That's $472 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%$3,582
Williamson CountyCounty0.3694%$1,482
North Austin MUD #1MUD0.2165%$868
Austin Community Collegespecial0.1034%$415
Williamson County ESD #1 - Jollyville VFDESD0.1000%$401
Williamson County FM/RdCounty0.0443%$178
Upper Brushy Creek WCIDWater0.0170%$68
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7438%$6,994

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $496,598 would pay approximately $3,100 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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