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8510 PORTAGE CV, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

3 bed2 bath1,223 sqftBuilt 1986

Property at a Glance

This home is estimated between $283,174 and $519,832, with a best estimate of $382,548. That places the property below 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

$283,174 $519,832
Best Estimate
$382,548
WCAD Value
$426,122
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 $283,174 and $519,832. 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 $382,548

Adjusted -$138,355 for 402 sqft less living space and +$21,416 for having a garage. Net adjustment: -$116,939.

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 $283,174

Adjusted -$157,284 for 457 sqft less living space. Net adjustment: -$157,284.

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 $450,577

Adjusted -$83,633 for 243 sqft less living space. Net adjustment: -$83,633.

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 $519,832

Adjusted +$13,078 for 38 sqft more living space. Net adjustment: +$13,078.

8511 PORTAGE CV, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,532 sqft Built 1986
Raw Value $395,097
Adjusted Value $288,749

Adjusted -$106,348 for 309 sqft less living space. Net adjustment: -$106,348.

The Neighborhood

This home is valued 20.3% 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
$426,122
Median
$534,481

This home is -20.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,156 across all districts. With a homestead exemption claimed, that drops to $6,827 — saving $1,329 per year. That's $569 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%$3,806
Brushy Creek MUDMUD0.3868%$1,648
Williamson CountyCounty0.3694%$1,574
Austin Community Collegespecial0.1034%$441
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$426
Williamson County FM/RdCounty0.0443%$189
Upper Brushy Creek WCIDWater0.0170%$72
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$8,156

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $382,548 would pay approximately $2,388 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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