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8515 PORTAGE CV, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

3 bed2 bath1,680 sqftBuilt 1986

Property at a Glance

This home is estimated between $440,458 and $677,117, with a best estimate of $539,832. That places the property above the R230592E - WOODS / MEADOWS OF BRUSHY CREEK median of $534,481, in a neighborhood that declined 2.4% over the past year.

Estimated Value Range

$440,458 $677,117
Best Estimate
$539,832
WCAD Value
$416,178
High Confidence

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

Based on 5 comparable properties in R230592E - WOODS / MEADOWS OF BRUSHY CREEK, this home's estimated market value is between $440,458 and $677,117. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

8510 POTOSI CV, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,625 sqft Built 1986
Raw Value $499,487
Adjusted Value $539,832

Adjusted +$18,929 for 55 sqft more living space and +$21,416 for having a garage. Net adjustment: +$40,345.

8516 POTOSI CV, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,680 sqft Built 1986
Raw Value $440,458
Adjusted Value $440,458

This comparable closely matches the subject property's features.

8518 POTOSI CV, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,466 sqft Built 1986
Raw Value $534,210
Adjusted Value $607,862

Adjusted +$73,652 for 214 sqft more living space. Net adjustment: +$73,652.

8517 POTOSI CV, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,899 sqft Built 1987
Raw Value $568,859
Adjusted Value $483,244

Adjusted -$75,373 for 219 sqft less living space and -$10,242 for being older. Net adjustment: -$85,615.

8513 POTOSI CV, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,185 sqft Built 1986
Raw Value $506,754
Adjusted Value $677,117

Adjusted +$170,363 for 495 sqft more living space. Net adjustment: +$170,363.

The Neighborhood

This home is valued 22.1% below the R230592E - WOODS / MEADOWS OF BRUSHY CREEK median of $534,481. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 2.4% over the past year.

R230592E - WOODS / MEADOWS OF BRUSHY CREEK

below average
1,552 Properties
$534,481 Median Value
-2.4% YoY Change
2% Have Pool
95% Have Garage
This Home
$416,178
Median
$534,481

This home is -22.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,966 across all districts. With a homestead exemption claimed, that drops to $6,639 — saving $1,327 per year. That's $553 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%$3,717
Brushy Creek MUDMUD0.3868%$1,610
Williamson CountyCounty0.3694%$1,538
Austin Community Collegespecial0.1034%$430
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$416
Williamson County FM/RdCounty0.0443%$184
Upper Brushy Creek WCIDWater0.0170%$71
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$7,966

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $539,832 would pay approximately $3,370 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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