Beta Williamson County, TX only — data and coverage are limited during early access.

7920 PORTLAND TRL, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

4 bed2 bath869 sqftBuilt 1996

Property at a Glance

This home is estimated between $397,445 and $489,697, with a best estimate of $486,259. 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

$397,445 $489,697
Best Estimate
$486,259
WCAD Value
$391,768
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 $397,445 and $489,697. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

7916 PORTLAND TRL, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 2 bath 638 sqft Built 1996
Raw Value $393,635
Adjusted Value $486,259

Adjusted +$92,624 for 231 sqft more living space. Net adjustment: +$92,624.

7924 PORTLAND TRL, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
4 bed 2 bath 704 sqft Built 1996
Raw Value $423,537
Adjusted Value $489,697

Adjusted +$66,160 for 165 sqft more living space. Net adjustment: +$66,160.

7912 PORTLAND TRL, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
4 bed 2 bath 861 sqft Built 1996
Raw Value $394,237
Adjusted Value $397,445

Adjusted +$3,208 for 8 sqft more living space. Net adjustment: +$3,208.

7928 PORTLAND TRL, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 638 sqft Built 1996
Raw Value $393,635
Adjusted Value $486,259

Adjusted +$92,624 for 231 sqft more living space. Net adjustment: +$92,624.

7908 PORTLAND TRL, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 638 sqft Built 1996
Raw Value $393,234
Adjusted Value $485,858

Adjusted +$92,624 for 231 sqft more living space. Net adjustment: +$92,624.

The Neighborhood

This home is valued 13.1% below the R392593F - Milwood median of $450,810. That positions it competitively for buyers comparing within the neighborhood. 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
$391,768
Median
$450,810

This home is -13.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,832 across all districts. With a homestead exemption claimed, that drops to $5,509 — saving $1,323 per year. That's $459 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%$3,499
Williamson CountyCounty0.3694%$1,447
North Austin MUD #1MUD0.2165%$848
Austin Community Collegespecial0.1034%$405
Williamson County ESD #1 - Jollyville VFDESD0.1000%$392
Williamson County FM/RdCounty0.0443%$174
Upper Brushy Creek WCIDWater0.0170%$67
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7438%$6,832

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $486,259 would pay approximately $3,035 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.

View full property details