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4260 CR 123, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed2 bath2,074 sqftBuilt 1977

Property at a Glance

This home is estimated between $151,643 and $372,882, with a best estimate of $344,536. That places the property below the H005D86H - Hutto Abstracts median of $644,778, in a neighborhood that appreciated 25.9% over the past year.

Estimated Value Range

$151,643 $372,882
Best Estimate
$344,536
WCAD Value
$571,739
Low Confidence

Based on 5 comparable properties(1 in the same subdivision)

There are 5 comparable properties within range, but few are in H005D86H - Hutto Abstracts. The estimated range of $151,643 and $372,882 should be treated as a rough guide.

Comparable Properties (5)

4 bed 3 bath 2,018 sqft Built 1972
Raw Value $410,758
Adjusted Value $344,536

Adjusted +$17,672 for 56 sqft more living space and +$13,200 for being newer and -$97,094 for no garage. Net adjustment: -$66,222.

4 bed 3 bath 2,514 sqft Built 1979
Raw Value $392,871
Adjusted Value $151,643

Adjusted -$138,854 for 440 sqft less living space and -$5,280 for being older and -$97,094 for no garage. Net adjustment: -$241,228.

3 bed 2 bath 1,525 sqft Built 1981
Raw Value $307,284
Adjusted Value $372,882

Adjusted +$173,252 for 549 sqft more living space and -$10,560 for being older and -$97,094 for no garage. Net adjustment: +$65,598.

4356 CR 123, ROUND ROCK, TX 78664
0.00 mi 88% similar Same subdivision
3 bed 2,159 sqft Built 2021
Raw Value $585,415
Adjusted Value $345,333

Adjusted -$26,824 for 85 sqft less living space and -$116,164 for being older and -$97,094 for no garage. Net adjustment: -$240,082.

3 bed 4 bath 1,931 sqft Built 1985
Raw Value $352,911
Adjusted Value $279,824

Adjusted +$45,128 for 143 sqft more living space and -$21,121 for being older and -$97,094 for no garage. Net adjustment: -$73,087.

The Neighborhood

This home is valued 11.3% below the H005D86H - Hutto Abstracts median of $644,778. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 25.9% over the past year.

H005D86H - Hutto Abstracts

typical
1,074 Properties
$644,778 Median Value
+25.9% YoY Change
3% Have Pool
35% Have Garage
This Home
$571,739
Median
$644,778

This home is -11.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $10,158 across all districts. With a homestead exemption claimed, that drops to $8,366 — saving $1,792 per year. That's $697 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
Hutto ISDSchool1.2052%$6,891
Williamson CountyCounty0.3694%$2,112
Williamson County ESD #9 - Round RockESD0.0999%$571
Williamson County FM/RdCounty0.0443%$253
EWC Higher Ed Centerspecial0.0409%$234
Upper Brushy Creek WCIDWater0.0170%$97
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7768%$10,158

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $344,536 would pay approximately $2,151 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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