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3112 ANSONIA TRL, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,384 sqftBuilt 2003

Property at a Glance

This home is estimated between $343,901 and $530,895, with a best estimate of $488,924. That places the property above the R222592G - CAT HOLLOW ALL SECTIONS R4 median of $451,685, in a neighborhood that declined 6.9% over the past year.

Estimated Value Range

$343,901 $530,895
Best Estimate
$488,924
WCAD Value
$562,170
Low Confidence

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

There are 5 comparable properties within range, but few are in R222592G - CAT HOLLOW ALL SECTIONS R4. The estimated range of $343,901 and $530,895 should be treated as a rough guide.

Comparable Properties (5)

4 bed 2 bath 1,587 sqft Built 2003
Raw Value $585,692
Adjusted Value $530,895

Adjusted -$54,797 for 203 sqft less living space. Net adjustment: -$54,797.

4 bed 3 bath 1,350 sqft Built 2002
Raw Value $418,426
Adjusted Value $435,070

Adjusted +$9,178 for 34 sqft more living space and +$7,466 for being newer. Net adjustment: +$16,644.

3100 ANSONIA TRL, ROUND ROCK, TX 78681
0.00 mi 99% similar Same subdivision
3 bed 2 bath 2,124 sqft Built 2004
Raw Value $551,121
Adjusted Value $343,901

Adjusted -$199,754 for 740 sqft less living space and -$7,466 for being older. Net adjustment: -$207,220.

4 bed 2 bath 1,670 sqft Built 2005
Raw Value $581,057
Adjusted Value $488,924

Adjusted -$77,202 for 286 sqft less living space and -$14,931 for being older. Net adjustment: -$92,133.

4 bed 2 bath 1,710 sqft Built 2004
Raw Value $624,244
Adjusted Value $528,778

Adjusted -$88,000 for 326 sqft less living space and -$7,466 for being older. Net adjustment: -$95,466.

The Neighborhood

This home is valued 24.5% above the R222592G - CAT HOLLOW ALL SECTIONS R4 median of $451,685. With 1,233 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 6.9% over the past year.

R222592G - CAT HOLLOW ALL SECTIONS R4

above average
1,233 Properties
$451,685 Median Value
-6.9% YoY Change
1% Have Pool
100% Have Garage
This Home
$562,170
Median
$451,685

This home is +24.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,761 across all districts. With a homestead exemption claimed, that drops to $9,406 — saving $1,355 per year. That's $784 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%$5,021
Brushy Creek MUDMUD0.3868%$2,175
Williamson CountyCounty0.3694%$2,077
Austin Community Collegespecial0.1034%$581
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$562
Williamson County FM/RdCounty0.0443%$249
Upper Brushy Creek WCIDWater0.0170%$96
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$10,761

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $488,924 would pay approximately $3,052 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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