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

3618 BIRD HOUSE DR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed2 bath2,070 sqftBuilt 1995

Property at a Glance

This home is estimated between $291,168 and $573,399, with a best estimate of $365,924. 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

$291,168 $573,399
Best Estimate
$365,924
WCAD Value
$356,320
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 $291,168 and $573,399. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3614 BIRD HOUSE DR, ROUND ROCK, TX 78665
0.02 mi 100% similar Same subdivision
4 bed 2 bath 2,239 sqft Built 1995
Raw Value $329,193
Adjusted Value $291,168

Adjusted -$38,025 for 169 sqft less living space. Net adjustment: -$38,025.

3700 BIRD HOUSE DR, ROUND ROCK, TX 78665
0.02 mi 100% similar Same subdivision
4 bed 2 bath 1,249 sqft Built 1996
Raw Value $391,867
Adjusted Value $573,399

Adjusted +$184,723 for 821 sqft more living space and -$3,191 for being older. Net adjustment: +$181,532.

3621 HAWK RIDGE ST, ROUND ROCK, TX 78665
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,891 sqft Built 1995
Raw Value $325,649
Adjusted Value $365,924

Adjusted +$40,275 for 179 sqft more living space. Net adjustment: +$40,275.

3619 BIRD HOUSE DR, ROUND ROCK, TX 78665
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,559 sqft Built 1999
Raw Value $308,841
Adjusted Value $411,053

Adjusted +$114,974 for 511 sqft more living space and -$12,762 for being older. Net adjustment: +$102,212.

3621 BIRD HOUSE DR, ROUND ROCK, TX 78665
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,915 sqft Built 1999
Raw Value $330,808
Adjusted Value $352,921

Adjusted +$34,875 for 155 sqft more living space and -$12,762 for being older. Net adjustment: +$22,113.

The Neighborhood

This home is in line with the R401598G - Eagle Ridge - ALL SECTIONS median of $353,883. 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
$356,320
Median
$353,883

This home is +0.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,411 across all districts. With a homestead exemption claimed, that drops to $5,095 — saving $1,316 per year. That's $425 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%$3,182
Round RockCity0.3720%$1,326
Williamson CountyCounty0.3694%$1,316
Austin Community Collegespecial0.1034%$368
Williamson County FM/RdCounty0.0443%$158
Upper Brushy Creek WCIDWater0.0170%$61
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,411

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $365,924 would pay approximately $2,284 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