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

12101 HARPSTER BND, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath1,748 sqftBuilt 2016

Property at a Glance

This home is estimated between $425,728 and $828,633, with a best estimate of $473,313. That places the property below the L591503E - AVERY RANCH FAR WEST PH 1 median of $483,591, in a neighborhood that declined 4.9% over the past year.

Estimated Value Range

$425,728 $828,633
Best Estimate
$473,313
WCAD Value
$511,450
High Confidence

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

Based on 5 comparable properties in L591503E - AVERY RANCH FAR WEST PH 1, this home's estimated market value is between $425,728 and $828,633. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

12105 HARPSTER BND, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,771 sqft Built 2016
Raw Value $466,685
Adjusted Value $457,170

Adjusted -$9,515 for 23 sqft less living space. Net adjustment: -$9,515.

11909 HARPSTER BND, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,713 sqft Built 2016
Raw Value $458,834
Adjusted Value $473,313

Adjusted +$14,479 for 35 sqft more living space. Net adjustment: +$14,479.

11901 HARPSTER BND, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,722 sqft Built 2016
Raw Value $601,905
Adjusted Value $612,661

Adjusted +$10,756 for 26 sqft more living space. Net adjustment: +$10,756.

11813 HARPSTER BND, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,865 sqft Built 2016
Raw Value $474,131
Adjusted Value $425,728

Adjusted -$48,403 for 117 sqft less living space. Net adjustment: -$48,403.

12013 HARPSTER BND, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,254 sqft Built 2016
Raw Value $624,266
Adjusted Value $828,633

Adjusted +$204,367 for 494 sqft more living space. Net adjustment: +$204,367.

The Neighborhood

This home is valued 5.8% above the L591503E - AVERY RANCH FAR WEST PH 1 median of $483,591. With 1,612 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 4.9% over the past year.

L591503E - AVERY RANCH FAR WEST PH 1

typical
1,612 Properties
$483,591 Median Value
-4.9% YoY Change
0% Have Pool
100% Have Garage
This Home
$511,450
Median
$483,591

This home is +5.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,971 across all districts. With a homestead exemption claimed, that drops to $8,819 — saving $2,152 per year. That's $735 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
Leander ISDSchool1.0869%$5,559
AustinCity0.5240%$2,680
Williamson CountyCounty0.3694%$1,890
Austin Community Collegespecial0.1034%$529
Williamson County FM/RdCounty0.0443%$227
Upper Brushy Creek WCIDWater0.0170%$87
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.1451%$10,971

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $473,313 would pay approximately $2,954 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