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9105 RATTLESNAKE TRL, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

3 bed2 bath2,700 sqftBuilt 2020

Property at a Glance

This home is estimated between $1,173,405 and $1,332,115, with a best estimate of $1,251,931. 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

$1,173,405 $1,332,115
Best Estimate
$1,251,931
WCAD Value
$909,354
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 $1,173,405 and $1,332,115. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

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 $1,332,115

Adjusted +$142,370 for 316 sqft more living space. Net adjustment: +$142,370.

9109 RATTLESNAKE TRL, AUSTIN, TX 78717
0.00 mi 99% similar Same subdivision
5 bed 4 bath 2,863 sqft Built 2019
Raw Value $1,323,982
Adjusted Value $1,250,578

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

9101 RATTLESNAKE TRL, AUSTIN, TX 78717
0.00 mi 99% similar Same subdivision
5 bed 4 bath 2,883 sqft Built 2019
Raw Value $1,399,167
Adjusted Value $1,316,753

Adjusted -$82,448 for 183 sqft less living space and +$34 for being newer. Net adjustment: -$82,414.

9100 RATTLESNAKE TRL, AUSTIN, TX 78717
0.00 mi 96% similar Same subdivision
5 bed 4 bath 3,159 sqft Built 2019
Raw Value $1,380,168
Adjusted Value $1,173,405

Adjusted -$206,797 for 459 sqft less living space and +$34 for being newer. Net adjustment: -$206,763.

10403 LAVON BND, AUSTIN, TX 78717
0.72 mi 93% similar Same subdivision
5 bed 4 bath 3,008 sqft Built 2019
Raw Value $1,390,662
Adjusted Value $1,251,931

Adjusted -$138,765 for 308 sqft less living space and +$34 for being newer. Net adjustment: -$138,731.

The Neighborhood

This home is valued 27.5% 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

below average
265 Properties
$1,253,608 Median Value
-2.6% YoY Change
1% Have Pool
100% Have Garage
This Home
$909,354
Median
$1,253,608

This home is -27.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $17,744 across all districts. With a homestead exemption claimed, that drops to $15,373 — saving $2,371 per year. That's $1,281 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%$8,121
AustinCity0.5240%$4,765
Williamson CountyCounty0.3694%$3,360
Austin Community Collegespecial0.1034%$940
Williamson County FM/RdCounty0.0443%$403
Upper Brushy Creek WCIDWater0.0170%$155
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$17,744

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,251,931 would pay approximately $7,815 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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