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

9423 ALTONA WAY, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed2 bath2,390 sqftBuilt 1998

Property at a Glance

This home is estimated between $576,573 and $986,736, with a best estimate of $902,859. That places the property above the R203597D - Davis Springs, All Sections median of $592,479, in a neighborhood that declined 2.9% over the past year.

Estimated Value Range

$576,573 $986,736
Best Estimate
$902,859
WCAD Value
$708,886
High Confidence

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

Based on 5 comparable properties in R203597D - Davis Springs, All Sections, this home's estimated market value is between $576,573 and $986,736. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

9421 ALTONA WAY, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
4 bed 2 bath 1,505 sqft Built 1998
Raw Value $610,646
Adjusted Value $902,859

Adjusted +$292,213 for 885 sqft more living space. Net adjustment: +$292,213.

9417 ALTONA WAY, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
5 bed 4 bath 2,240 sqft Built 1997
Raw Value $647,903
Adjusted Value $700,049

Adjusted +$49,528 for 150 sqft more living space and +$2,618 for being newer. Net adjustment: +$52,146.

9413 ALTONA WAY, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
4 bed 2 bath 1,666 sqft Built 1999
Raw Value $750,300
Adjusted Value $986,736

Adjusted +$239,054 for 724 sqft more living space and -$2,618 for being older. Net adjustment: +$236,436.

9428 ALTONA WAY, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
4 bed 2 bath 1,878 sqft Built 1999
Raw Value $771,550
Adjusted Value $937,987

Adjusted +$169,055 for 512 sqft more living space and -$2,618 for being older. Net adjustment: +$166,437.

9431 ALTONA WAY, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
3 bed 2 bath 2,320 sqft Built 1998
Raw Value $553,460
Adjusted Value $576,573

Adjusted +$23,113 for 70 sqft more living space. Net adjustment: +$23,113.

The Neighborhood

This home is valued 19.6% above the R203597D - Davis Springs, All Sections median of $592,479. With 552 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 2.9% over the past year.

R203597D - Davis Springs, All Sections

above average
552 Properties
$592,479 Median Value
-2.9% YoY Change
1% Have Pool
100% Have Garage
This Home
$708,886
Median
$592,479

This home is +19.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $13,832 across all districts. With a homestead exemption claimed, that drops to $11,708 — saving $2,124 per year. That's $976 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%$6,331
AustinCity0.5240%$3,715
Williamson CountyCounty0.3694%$2,619
Austin Community Collegespecial0.1034%$733
Williamson County FM/RdCounty0.0443%$314
Upper Brushy Creek WCIDWater0.0170%$121
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$13,832

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $902,859 would pay approximately $5,636 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