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3804 VONNEGUT CT, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,905 sqftBuilt 2005

Property at a Glance

This home is estimated between $291,653 and $478,693, with a best estimate of $378,901. That places the property above the R401598G - Eagle Ridge - ALL SECTIONS median of $353,883, in a neighborhood that declined 8.1% over the past year.

Estimated Value Range

$291,653 $478,693
Best Estimate
$378,901
WCAD Value
$346,192
High Confidence

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

Based on 5 comparable properties in R401598G - Eagle Ridge - ALL SECTIONS, this home's estimated market value is between $291,653 and $478,693. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3802 VONNEGUT CT, ROUND ROCK, TX 78665
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,639 sqft Built 2006
Raw Value $322,243
Adjusted Value $378,901

Adjusted +$59,849 for 266 sqft more living space and -$3,191 for being older. Net adjustment: +$56,658.

3715 HAWK VIEW ST, ROUND ROCK, TX 78665
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,785 sqft Built 2005
Raw Value $350,773
Adjusted Value $377,773

Adjusted +$27,000 for 120 sqft more living space. Net adjustment: +$27,000.

3800 VONNEGUT CT, ROUND ROCK, TX 78665
0.02 mi 100% similar Same subdivision
4 bed 2 bath 1,460 sqft Built 2006
Raw Value $381,249
Adjusted Value $478,182

Adjusted +$100,124 for 445 sqft more living space and -$3,191 for being older. Net adjustment: +$96,933.

3717 HAWK VIEW ST, ROUND ROCK, TX 78665
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,516 sqft Built 2006
Raw Value $394,360
Adjusted Value $478,693

Adjusted +$87,524 for 389 sqft more living space and -$3,191 for being older. Net adjustment: +$84,333.

3808 VONNEGUT CT, ROUND ROCK, TX 78665
0.03 mi 100% similar Same subdivision
3 bed 2 bath 2,046 sqft Built 2006
Raw Value $326,569
Adjusted Value $291,653

Adjusted -$31,725 for 141 sqft less living space and -$3,191 for being older. Net adjustment: -$34,916.

The Neighborhood

This home is valued 2.2% below the R401598G - Eagle Ridge - ALL SECTIONS median of $353,883. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 8.1% over the past year.

R401598G - Eagle Ridge - ALL SECTIONS

typical
749 Properties
$353,883 Median Value
-8.1% YoY Change
0% Have Pool
100% Have Garage
This Home
$346,192
Median
$353,883

This home is -2.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,229 across all districts. With a homestead exemption claimed, that drops to $4,915 — saving $1,314 per year. That's $410 per month a buyer should budget. The assessed value increased -1.4% vs the subdivision average of -8.1%. This above-average increase gives a protest opportunity score of 34 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$3,092
Round RockCity0.3720%$1,288
Williamson CountyCounty0.3694%$1,279
Austin Community Collegespecial0.1034%$358
Williamson County FM/RdCounty0.0443%$153
Upper Brushy Creek WCIDWater0.0170%$59
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,229
34 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $378,901 would pay approximately $2,365 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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