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17 SHADY ROCK CT, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath3,905 sqftBuilt 1979

Property at a Glance

This home is estimated between $713,092 and $846,443, with a best estimate of $828,037. That places the property above the R575583D - RR Rual Sub 122 & Gattis School Rd Area median of $734,399, in a neighborhood that appreciated 3.8% over the past year.

Estimated Value Range

$713,092 $846,443
Best Estimate
$828,037
WCAD Value
$1,052,386
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R575583D - RR Rual Sub 122 & Gattis School Rd Area. The estimated range of $713,092 and $846,443 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 2,460 sqft Built 2001
Raw Value $360,360
Adjusted Value $825,688

Adjusted +$465,051 for 1,445 sqft more living space and +$277 for being newer. Net adjustment: +$465,328.

3 bed 2 bath 2,475 sqft Built 2002
Raw Value $367,524
Adjusted Value $828,037

Adjusted +$460,224 for 1,430 sqft more living space and +$289 for being newer. Net adjustment: +$460,513.

3 bed 2 bath 2,422 sqft Built 2001
Raw Value $357,725
Adjusted Value $835,283

Adjusted +$477,281 for 1,483 sqft more living space and +$277 for being newer. Net adjustment: +$477,558.

3 bed 2 bath 2,420 sqft Built 2001
Raw Value $368,242
Adjusted Value $846,443

Adjusted +$477,924 for 1,485 sqft more living space and +$277 for being newer. Net adjustment: +$478,201.

3 bed 2 bath 2,484 sqft Built 2003
Raw Value $369,644
Adjusted Value $713,092

Adjusted +$457,327 for 1,421 sqft more living space and +$302 for being newer and -$114,181 for no pool. Net adjustment: +$343,448.

The Neighborhood

This home is valued 43.3% above the R575583D - RR Rual Sub 122 & Gattis School Rd Area median of $734,399. With 213 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 3.8% over the past year.

R575583D - RR Rual Sub 122 & Gattis School Rd Area

above average
213 Properties
$734,399 Median Value
+3.8% YoY Change
4% Have Pool
68% Have Garage
This Home
$1,052,386
Median
$734,399

This home is +43.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $15,392 across all districts. With a homestead exemption claimed, that drops to $13,956 — saving $1,436 per year. That's $1,163 per month a buyer should budget. The assessed value increased +8.0% vs the subdivision average of +3.8%. This above-average increase gives a protest opportunity score of 41 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$9,001
Williamson CountyCounty0.3694%$3,724
Austin Community Collegespecial0.1034%$1,042
Williamson County ESD #9 - Round RockESD0.0999%$1,007
Williamson County FM/RdCounty0.0443%$447
Upper Brushy Creek WCIDWater0.0170%$171
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$15,392
41 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $828,037 would pay approximately $5,169 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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