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9117 RATTLESNAKE TRL, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath3,281 sqftBuilt 2019

Property at a Glance

This home is estimated between $1,360,793 and $1,619,355, with a best estimate of $1,476,455. 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

$1,360,793 $1,619,355
Best Estimate
$1,476,455
WCAD Value
$1,098,232
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 $1,360,793 and $1,619,355 should be treated as a rough guide.

Comparable Properties (5)

9121 RATTLESNAKE TRL, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
5 bed 4 bath 2,832 sqft Built 2019
Raw Value $1,291,131
Adjusted Value $1,493,422

Adjusted +$202,291 for 449 sqft more living space. Net adjustment: +$202,291.

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 $1,619,355

Adjusted +$418,099 for 928 sqft more living space. Net adjustment: +$418,099.

4 bed 3 bath 1,995 sqft Built 2001
Raw Value $780,788
Adjusted Value $1,360,793

Adjusted +$579,391 for 1,286 sqft more living space and +$614 for being newer. Net adjustment: +$580,005.

4 bed 3 bath 1,641 sqft Built 2001
Raw Value $736,960
Adjusted Value $1,476,455

Adjusted +$738,881 for 1,640 sqft more living space and +$614 for being newer. Net adjustment: +$739,495.

4 bed 2 bath 1,868 sqft Built 2000
Raw Value $726,061
Adjusted Value $1,363,319

Adjusted +$636,609 for 1,413 sqft more living space and +$649 for being newer. Net adjustment: +$637,258.

The Neighborhood

This home is valued 12.4% below the R257616A - HERITAGE AT PEARSON RANCH median of $1,253,608. That positions it competitively for buyers comparing within the neighborhood. 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
$1,098,232
Median
$1,253,608

This home is -12.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $21,430 across all districts. With a homestead exemption claimed, that drops to $18,826 — saving $2,604 per year. That's $1,569 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%$9,808
AustinCity0.5240%$5,755
Williamson CountyCounty0.3694%$4,057
Austin Community Collegespecial0.1034%$1,136
Williamson County FM/RdCounty0.0443%$487
Upper Brushy Creek WCIDWater0.0170%$187
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$21,430

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,476,455 would pay approximately $9,216 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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