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9621 SPANISH WELLS DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath2,504 sqftBuilt 2006

Property at a Glance

This home is estimated between $477,711 and $926,537, with a best estimate of $744,645. That places the property above the R251501D - Avery Ranch South median of $708,305, in a neighborhood that declined 3.8% over the past year.

Estimated Value Range

$477,711 $926,537
Best Estimate
$744,645
WCAD Value
$742,164
High Confidence

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

Based on 5 comparable properties in R251501D - Avery Ranch South, this home's estimated market value is between $477,711 and $926,537. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

9701 SPANISH WELLS DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
4 bed 3 bath 1,946 sqft Built 2007
Raw Value $731,990
Adjusted Value $926,537

Adjusted +$195,940 for 558 sqft more living space and -$1,393 for being older. Net adjustment: +$194,547.

9705 SPANISH WELLS DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,106 sqft Built 2006
Raw Value $752,474
Adjusted Value $892,231

Adjusted +$139,757 for 398 sqft more living space. Net adjustment: +$139,757.

9613 SPANISH WELLS DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 3,279 sqft Built 2006
Raw Value $749,850
Adjusted Value $477,711

Adjusted -$272,139 for 775 sqft less living space. Net adjustment: -$272,139.

9101 CASTLE PINES DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 3,009 sqft Built 2007
Raw Value $811,221
Adjusted Value $632,499

Adjusted -$177,329 for 505 sqft less living space and -$1,393 for being older. Net adjustment: -$178,722.

9700 SPANISH WELLS DR, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
4 bed 3 bath 2,451 sqft Built 2007
Raw Value $727,427
Adjusted Value $744,645

Adjusted +$18,611 for 53 sqft more living space and -$1,393 for being older. Net adjustment: +$17,218.

The Neighborhood

This home is valued 4.8% above the R251501D - Avery Ranch South median of $708,305. With 635 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 3.8% over the past year.

R251501D - Avery Ranch South

typical
635 Properties
$708,305 Median Value
-3.8% YoY Change
1% Have Pool
100% Have Garage
This Home
$742,164
Median
$708,305

This home is +4.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $14,482 across all districts. With a homestead exemption claimed, that drops to $12,317 — saving $2,165 per year. That's $1,026 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%$6,628
AustinCity0.5240%$3,889
Williamson CountyCounty0.3694%$2,742
Austin Community Collegespecial0.1034%$767
Williamson County FM/RdCounty0.0443%$329
Upper Brushy Creek WCIDWater0.0170%$126
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$14,482

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $744,645 would pay approximately $4,648 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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