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142 JACKRABBIT RUN, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath2,003 sqftBuilt 1984

Property at a Glance

This home is estimated between $590,078 and $726,900, with a best estimate of $680,392. That places the property below 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

$590,078 $726,900
Best Estimate
$680,392
WCAD Value
$713,039
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 $590,078 and $726,900. 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 $680,392

Adjusted -$54,390 for 169 sqft less living space and +$25 for being newer. Net adjustment: -$54,365.

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 $706,218

Adjusted -$30,252 for 94 sqft less living space and +$151 for being newer. Net adjustment: -$30,101.

122 JACKRABBIT RUN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,518 sqft Built 1988
Raw Value $794,433
Adjusted Value $628,738

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

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 $590,078

Adjusted -$83,677 for 260 sqft less living space and +$126 for being newer. Net adjustment: -$83,551.

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 $726,900

Adjusted +$23,172 for 72 sqft more living space and +$75 for being newer. Net adjustment: +$23,247.

The Neighborhood

This home is valued 2.9% below the R575583D - RR Rual Sub 122 & Gattis School Rd Area median of $734,399. That positions it competitively for buyers comparing within the neighborhood. 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
$713,039
Median
$734,399

This home is -2.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $10,889 across all districts. With a homestead exemption claimed, that drops to $9,507 — saving $1,382 per year. That's $792 per month a buyer should budget. The assessed value increased +6.7% vs the subdivision average of +3.8%. This above-average increase gives a protest opportunity score of 30 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$6,368
Williamson CountyCounty0.3694%$2,634
Austin Community Collegespecial0.1034%$737
Williamson County ESD #9 - Round RockESD0.0999%$712
Williamson County FM/RdCounty0.0443%$316
Upper Brushy Creek WCIDWater0.0170%$121
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$10,889
30 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $680,392 would pay approximately $4,247 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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