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122 JACKRABBIT RUN, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath2,518 sqftBuilt 1988

Property at a Glance

This home is estimated between $755,772 and $892,595, with a best estimate of $871,912. 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

$755,772 $892,595
Best Estimate
$871,912
WCAD Value
$794,433
High Confidence

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

Based on 5 comparable properties in R575583D - RR Rual Sub 122 & Gattis School Rd Area, this home's estimated market value is between $755,772 and $892,595. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

135 JACKRABBIT RUN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,172 sqft Built 1986
Raw Value $734,757
Adjusted Value $846,087

Adjusted +$111,355 for 346 sqft more living space and -$25 for being older. Net adjustment: +$111,330.

102 JACKRABBIT RUN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,097 sqft Built 1996
Raw Value $736,319
Adjusted Value $871,912

Adjusted +$135,492 for 421 sqft more living space and +$101 for being newer. Net adjustment: +$135,593.

101 JACKRABBIT RUN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,263 sqft Built 1994
Raw Value $673,629
Adjusted Value $755,772

Adjusted +$82,068 for 255 sqft more living space and +$75 for being newer. Net adjustment: +$82,143.

142 JACKRABBIT RUN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,003 sqft Built 1984
Raw Value $713,039
Adjusted Value $878,734

Adjusted +$165,745 for 515 sqft more living space and -$50 for being older. Net adjustment: +$165,695.

130 JACKRABBIT RUN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,931 sqft Built 1990
Raw Value $703,653
Adjusted Value $892,595

Adjusted +$188,917 for 587 sqft more living space and +$25 for being newer. Net adjustment: +$188,942.

The Neighborhood

This home is valued 8.2% 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

typical
213 Properties
$734,399 Median Value
+3.8% YoY Change
4% Have Pool
68% Have Garage
This Home
$794,433
Median
$734,399

This home is +8.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $11,635 across all districts. With a homestead exemption claimed, that drops to $10,244 — saving $1,391 per year. That's $854 per month a buyer should budget. The assessed value increased +14.7% vs the subdivision average of +3.8%. This above-average increase gives a protest opportunity score of 85 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$6,804
Williamson CountyCounty0.3694%$2,815
Austin Community Collegespecial0.1034%$788
Williamson County ESD #9 - Round RockESD0.0999%$761
Williamson County FM/RdCounty0.0443%$338
Upper Brushy Creek WCIDWater0.0170%$130
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$11,635
85 / 100

There may be a strong case to protest this appraisal.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $871,912 would pay approximately $5,442 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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