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

16201 HILLSIDE DR, AUSTIN, TX 78728

AUSTIN, 78728 — williamson County

2 bed1 bath3,778 sqftBuilt 1982

Property at a Glance

This home is estimated between $577,740 and $792,392, with a best estimate of $709,721. That places the property above the R332479H - CHISHOLM VALLEY & NORTHRIDGE ACRES & WILLOW RUN median of $281,358, in a neighborhood that declined 9.6% over the past year.

Estimated Value Range

$577,740 $792,392
Best Estimate
$709,721
WCAD Value
$528,814
High Confidence

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

Based on 5 comparable properties in R332479H - CHISHOLM VALLEY & NORTHRIDGE ACRES & WILLOW RUN, this home's estimated market value is between $577,740 and $792,392. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

16314 HILLSIDE DR, AUSTIN, TX 78728
0.20 mi 97% similar Same subdivision
2 bed 1 bath 2,272 sqft Built 1978
Raw Value $246,641
Adjusted Value $577,740

Adjusted +$324,863 for 1,506 sqft more living space and +$6,236 for being newer. Net adjustment: +$331,099.

16403 TERRACE DR, AUSTIN, TX 78728
0.21 mi 92% similar Same subdivision
2 bed 1 bath 1,300 sqft Built 1982
Raw Value $257,856
Adjusted Value $792,392

Adjusted +$534,536 for 2,478 sqft more living space. Net adjustment: +$534,536.

16302 TERRACE DR, AUSTIN, TX 78728
0.13 mi 90% similar Same subdivision
2 bed 1 bath 1,600 sqft Built 1975
Raw Value $228,985
Adjusted Value $709,721

Adjusted +$469,823 for 2,178 sqft more living space and +$10,913 for being newer. Net adjustment: +$480,736.

16205 PARKVIEW DR, AUSTIN, TX 78728
0.08 mi 90% similar Same subdivision
3 bed 1 bath 2,200 sqft Built 1985
Raw Value $325,464
Adjusted Value $661,182

Adjusted +$340,395 for 1,578 sqft more living space and -$4,677 for being older. Net adjustment: +$335,718.

16306 HILLSIDE DR, AUSTIN, TX 78728
0.13 mi 89% similar Same subdivision
2 bed 1 bath 1,152 sqft Built 1982
Raw Value $209,410
Adjusted Value $775,872

Adjusted +$566,462 for 2,626 sqft more living space. Net adjustment: +$566,462.

The Neighborhood

This home is valued 88.0% above the R332479H - CHISHOLM VALLEY & NORTHRIDGE ACRES & WILLOW RUN median of $281,358. With 1,006 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 9.6% over the past year.

R332479H - CHISHOLM VALLEY & NORTHRIDGE ACRES & WILLOW RUN

outlier high
1,006 Properties
$281,358 Median Value
-9.6% YoY Change
2% Have Pool
84% Have Garage
This Home
$528,814
Median
$281,358

This home is +88.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,076 across all districts. With a homestead exemption claimed, that drops to $6,728 — saving $1,348 per year. That's $561 per month a buyer should budget. The assessed value increased -2.8% vs the subdivision average of -9.6%. This above-average increase gives a protest opportunity score of 34 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$4,723
Williamson CountyCounty0.3694%$1,954
Austin Community Collegespecial0.1034%$547
Williamson County ESD #9 - Round RockESD0.0999%$528
Williamson County FM/RdCounty0.0443%$234
Upper Brushy Creek WCIDWater0.0170%$90
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$8,076
34 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $709,721 would pay approximately $4,430 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