Beta Williamson County, TX only — data and coverage are limited during early access.

3806 VONNEGUT CT, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,098 sqftBuilt 2006

Property at a Glance

This home is estimated between $199,391 and $317,370, with a best estimate of $299,800. That places the property below the R401598G - Eagle Ridge - ALL SECTIONS median of $353,883, in a neighborhood that declined 8.1% over the past year.

Estimated Value Range

$199,391 $317,370
Best Estimate
$299,800
WCAD Value
$370,004
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 $199,391 and $317,370. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3802 VONNEGUT CT, ROUND ROCK, TX 78665
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,639 sqft Built 2006
Raw Value $322,243
Adjusted Value $200,519

Adjusted -$121,724 for 541 sqft less living space. Net adjustment: -$121,724.

3807 VONNEGUT CT, ROUND ROCK, TX 78665
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,408 sqft Built 2006
Raw Value $371,119
Adjusted Value $301,370

Adjusted -$69,749 for 310 sqft less living space. Net adjustment: -$69,749.

3800 VONNEGUT CT, ROUND ROCK, TX 78665
0.04 mi 100% similar Same subdivision
4 bed 2 bath 1,460 sqft Built 2006
Raw Value $381,249
Adjusted Value $299,800

Adjusted -$81,449 for 362 sqft less living space. Net adjustment: -$81,449.

3715 HAWK VIEW ST, ROUND ROCK, TX 78665
0.04 mi 100% similar Same subdivision
3 bed 2 bath 1,785 sqft Built 2005
Raw Value $350,773
Adjusted Value $199,391

Adjusted -$154,573 for 687 sqft less living space and +$3,191 for being newer. Net adjustment: -$151,382.

3805 VONNEGUT CT, ROUND ROCK, TX 78665
0.04 mi 100% similar Same subdivision
4 bed 2 bath 1,408 sqft Built 2006
Raw Value $387,119
Adjusted Value $317,370

Adjusted -$69,749 for 310 sqft less living space. Net adjustment: -$69,749.

The Neighborhood

This home is valued 4.6% above the R401598G - Eagle Ridge - ALL SECTIONS median of $353,883. With 749 homes in the subdivision, the property sits in the upper tier. 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
$370,004
Median
$353,883

This home is +4.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,657 across all districts. With a homestead exemption claimed, that drops to $5,339 — saving $1,318 per year. That's $445 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%$3,305
Round RockCity0.3720%$1,376
Williamson CountyCounty0.3694%$1,367
Austin Community Collegespecial0.1034%$383
Williamson County FM/RdCounty0.0443%$164
Upper Brushy Creek WCIDWater0.0170%$63
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,657

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $299,800 would pay approximately $1,871 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.

View full property details