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9109 RATTLESNAKE TRL, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

5 bed4 bath2,863 sqftBuilt 2019

Property at a Glance

This home is estimated between $982,758 and $1,405,518, with a best estimate of $1,325,334. That places the property above the R257616A - HERITAGE AT PEARSON RANCH median of $1,253,608, in a neighborhood that declined 2.6% over the past year.

Estimated Value Range

$982,758 $1,405,518
Best Estimate
$1,325,334
WCAD Value
$1,323,982
High Confidence

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

Based on 5 comparable properties in R257616A - HERITAGE AT PEARSON RANCH, this home's estimated market value is between $982,758 and $1,405,518. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

9101 RATTLESNAKE TRL, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
5 bed 4 bath 2,883 sqft Built 2019
Raw Value $1,399,167
Adjusted Value $1,390,156

Adjusted -$9,011 for 20 sqft less living space. Net adjustment: -$9,011.

9100 RATTLESNAKE TRL, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
5 bed 4 bath 3,159 sqft Built 2019
Raw Value $1,380,168
Adjusted Value $1,246,809

Adjusted -$133,359 for 296 sqft less living space. Net adjustment: -$133,359.

9104 RATTLESNAKE TRL, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,384 sqft Built 2020
Raw Value $1,189,745
Adjusted Value $1,405,518

Adjusted +$215,807 for 479 sqft more living space and -$34 for being older. Net adjustment: +$215,773.

10403 LAVON BND, AUSTIN, TX 78717
0.72 mi 100% similar Same subdivision
5 bed 4 bath 3,008 sqft Built 2019
Raw Value $1,390,662
Adjusted Value $1,325,334

Adjusted -$65,328 for 145 sqft less living space. Net adjustment: -$65,328.

9105 RATTLESNAKE TRL, AUSTIN, TX 78717
0.00 mi 99% similar Same subdivision
3 bed 2 bath 2,700 sqft Built 2020
Raw Value $909,354
Adjusted Value $982,758

Adjusted +$73,438 for 163 sqft more living space and -$34 for being older. Net adjustment: +$73,404.

The Neighborhood

This home is valued 5.6% above the R257616A - HERITAGE AT PEARSON RANCH median of $1,253,608. With 265 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 2.6% over the past year.

R257616A - HERITAGE AT PEARSON RANCH

typical
265 Properties
$1,253,608 Median Value
-2.6% YoY Change
1% Have Pool
100% Have Garage
This Home
$1,323,982
Median
$1,253,608

This home is +5.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $24,953 across all districts. With a homestead exemption claimed, that drops to $22,127 — saving $2,826 per year. That's $1,844 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%$11,421
AustinCity0.5240%$6,701
Williamson CountyCounty0.3694%$4,725
Austin Community Collegespecial0.1034%$1,322
Williamson County FM/RdCounty0.0443%$567
Upper Brushy Creek WCIDWater0.0170%$217
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$24,953

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,325,334 would pay approximately $8,273 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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