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3103 ANSONIA TRL, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,256 sqftBuilt 2003

Property at a Glance

This home is estimated between $309,349 and $656,497, with a best estimate of $400,518. That places the property below 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

$309,349 $656,497
Best Estimate
$400,518
WCAD Value
$606,439
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 $309,349 and $656,497 should be treated as a rough guide.

Comparable Properties (5)

4 bed 2 bath 1,105 sqft Built 2006
Raw Value $379,635
Adjusted Value $397,999

Adjusted +$40,761 for 151 sqft more living space and -$22,397 for being older. Net adjustment: +$18,364.

4 bed 2 bath 1,587 sqft Built 2003
Raw Value $585,692
Adjusted Value $496,343

Adjusted -$89,349 for 331 sqft less living space. Net adjustment: -$89,349.

4 bed 3 bath 1,350 sqft Built 2002
Raw Value $418,426
Adjusted Value $400,518

Adjusted -$25,374 for 94 sqft less living space and +$7,466 for being newer. Net adjustment: -$17,908.

3100 ANSONIA TRL, ROUND ROCK, TX 78681
0.00 mi 97% similar Same subdivision
3 bed 2 bath 2,124 sqft Built 2004
Raw Value $551,121
Adjusted Value $309,349

Adjusted -$234,306 for 868 sqft less living space and -$7,466 for being older. Net adjustment: -$241,772.

4 bed 2 bath 1,224 sqft Built 1984
Raw Value $506,013
Adjusted Value $656,497

Adjusted +$8,638 for 32 sqft more living space and +$141,846 for being newer. Net adjustment: +$150,484.

The Neighborhood

This home is valued 34.3% 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
$606,439
Median
$451,685

This home is +34.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $11,608 across all districts. With a homestead exemption claimed, that drops to $10,246 — saving $1,362 per year. That's $854 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%$5,416
Brushy Creek MUDMUD0.3868%$2,346
Williamson CountyCounty0.3694%$2,240
Austin Community Collegespecial0.1034%$627
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$606
Williamson County FM/RdCounty0.0443%$269
Upper Brushy Creek WCIDWater0.0170%$103
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$11,608

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $400,518 would pay approximately $2,500 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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