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3621 BIRD HOUSE DR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,915 sqftBuilt 1999

Property at a Glance

This home is estimated between $330,281 and $503,506, with a best estimate of $378,244. 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

$330,281 $503,506
Best Estimate
$378,244
WCAD Value
$330,808
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 $330,281 and $503,506. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3619 BIRD HOUSE DR, ROUND ROCK, TX 78665
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,559 sqft Built 1999
Raw Value $308,841
Adjusted Value $388,940

Adjusted +$80,099 for 356 sqft more living space. Net adjustment: +$80,099.

3624 EAGLES NEST ST, ROUND ROCK, TX 78665
0.02 mi 100% similar Same subdivision
4 bed 2 bath 1,918 sqft Built 1995
Raw Value $318,194
Adjusted Value $330,281

Adjusted -$675 for 3 sqft less living space and +$12,762 for being newer. Net adjustment: +$12,087.

3701 BIRD HOUSE DR, ROUND ROCK, TX 78665
0.02 mi 100% similar Same subdivision
4 bed 2 bath 1,493 sqft Built 2000
Raw Value $411,748
Adjusted Value $503,506

Adjusted +$94,949 for 422 sqft more living space and -$3,191 for being older. Net adjustment: +$91,758.

3620 EAGLES NEST ST, ROUND ROCK, TX 78665
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,552 sqft Built 1998
Raw Value $293,379
Adjusted Value $378,244

Adjusted +$81,674 for 363 sqft more living space and +$3,191 for being newer. Net adjustment: +$84,865.

3618 BIRD HOUSE DR, ROUND ROCK, TX 78665
0.03 mi 100% similar Same subdivision
4 bed 2 bath 2,070 sqft Built 1995
Raw Value $356,320
Adjusted Value $334,207

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

The Neighborhood

This home is valued 6.5% 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
$330,808
Median
$353,883

This home is -6.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,952 across all districts. With a homestead exemption claimed, that drops to $4,641 — saving $1,311 per year. That's $387 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%$2,954
Round RockCity0.3720%$1,231
Williamson CountyCounty0.3694%$1,222
Austin Community Collegespecial0.1034%$342
Williamson County FM/RdCounty0.0443%$147
Upper Brushy Creek WCIDWater0.0170%$56
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,952

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $378,244 would pay approximately $2,361 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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