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8509 PORTAGE CV, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

3 bed2 bath1,628 sqftBuilt 1996

Property at a Glance

This home is estimated between $301,047 and $681,361, with a best estimate of $548,743. 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

$301,047 $681,361
Best Estimate
$548,743
WCAD Value
$407,643
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 $301,047 and $681,361. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

8503 E POTOSI CV, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,681 sqft Built 1986
Raw Value $575,769
Adjusted Value $681,361

Adjusted -$18,241 for 53 sqft less living space and +$102,417 for being newer and +$21,416 for having a garage. Net adjustment: +$105,592.

8503 PORTAGE CV, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,179 sqft Built 1994
Raw Value $470,200
Adjusted Value $301,047

Adjusted -$189,636 for 551 sqft less living space and +$20,483 for being newer. Net adjustment: -$169,153.

8509 POTOSI CV, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,269 sqft Built 1986
Raw Value $534,308
Adjusted Value $437,530

Adjusted -$220,611 for 641 sqft less living space and +$102,417 for being newer and +$21,416 for having a garage. Net adjustment: -$96,778.

8507 PORTAGE CV, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,442 sqft Built 1986
Raw Value $382,311
Adjusted Value $548,743

Adjusted +$64,015 for 186 sqft more living space and +$102,417 for being newer. Net adjustment: +$166,432.

8504 POTOSI CV, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,281 sqft Built 1986
Raw Value $436,164
Adjusted Value $679,423

Adjusted +$119,426 for 347 sqft more living space and +$102,417 for being newer and +$21,416 for having a garage. Net adjustment: +$243,259.

The Neighborhood

This home is valued 23.7% 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
$407,643
Median
$534,481

This home is -23.7% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,803 across all districts. With a homestead exemption claimed, that drops to $6,477 — saving $1,326 per year. That's $540 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%$3,641
Brushy Creek MUDMUD0.3868%$1,577
Williamson CountyCounty0.3694%$1,506
Austin Community Collegespecial0.1034%$422
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$408
Williamson County FM/RdCounty0.0443%$181
Upper Brushy Creek WCIDWater0.0170%$69
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$7,803

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $548,743 would pay approximately $3,425 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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