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9121 RATTLESNAKE TRL, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

5 bed4 bath2,832 sqftBuilt 2019

Property at a Glance

This home is estimated between $895,941 and $1,417,063, with a best estimate of $1,161,028. That places the property below 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

$895,941 $1,417,063
Best Estimate
$1,161,028
WCAD Value
$1,291,131
Low Confidence

Based on 5 comparable properties(2 in the same subdivision)

There are 5 comparable properties within range, but few are in R257616A - HERITAGE AT PEARSON RANCH. The estimated range of $895,941 and $1,417,063 should be treated as a rough guide.

Comparable Properties (5)

9113 RATTLESNAKE TRL, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,353 sqft Built 2019
Raw Value $1,201,256
Adjusted Value $1,417,063

Adjusted +$215,807 for 479 sqft more living space. Net adjustment: +$215,807.

9117 RATTLESNAKE TRL, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
4 bed 3 bath 3,281 sqft Built 2019
Raw Value $1,098,232
Adjusted Value $895,941

Adjusted -$202,291 for 449 sqft less living space. Net adjustment: -$202,291.

4 bed 3 bath 1,995 sqft Built 2001
Raw Value $780,788
Adjusted Value $1,158,502

Adjusted +$377,100 for 837 sqft more living space and +$614 for being newer. Net adjustment: +$377,714.

4 bed 3 bath 1,641 sqft Built 2001
Raw Value $736,960
Adjusted Value $1,274,164

Adjusted +$536,590 for 1,191 sqft more living space and +$614 for being newer. Net adjustment: +$537,204.

4 bed 2 bath 1,868 sqft Built 2000
Raw Value $726,061
Adjusted Value $1,161,028

Adjusted +$434,318 for 964 sqft more living space and +$649 for being newer. Net adjustment: +$434,967.

The Neighborhood

This home is valued 3.0% 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
$1,291,131
Median
$1,253,608

This home is +3.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $24,966 across all districts. With a homestead exemption claimed, that drops to $22,138 — saving $2,828 per year. That's $1,845 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%$11,427
AustinCity0.5240%$6,705
Williamson CountyCounty0.3694%$4,727
Austin Community Collegespecial0.1034%$1,323
Williamson County FM/RdCounty0.0443%$567
Upper Brushy Creek WCIDWater0.0170%$218
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$24,966

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,161,028 would pay approximately $7,247 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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