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

505 EGGER CT, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath560 sqftBuilt 1985

Property at a Glance

This home is estimated between $138,474 and $257,275, with a best estimate of $208,269. That places the property below the R460483I - Chapel Hill North Sec 1 & 2 median of $260,016, in a neighborhood that declined 16.9% over the past year.

Estimated Value Range

$138,474 $257,275
Best Estimate
$208,269
WCAD Value
$262,839
High Confidence

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

Based on 5 comparable properties in R460483I - Chapel Hill North Sec 1 & 2, this home's estimated market value is between $138,474 and $257,275. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

503 EGGER CT, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 888 sqft Built 1984
Raw Value $293,469
Adjusted Value $208,269

Adjusted -$71,907 for 328 sqft less living space and -$13,293 for being older. Net adjustment: -$85,200.

502 ANDOVER CV, ROUND ROCK, TX 78664
0.10 mi 100% similar Same subdivision
3 bed 2 bath 928 sqft Built 1984
Raw Value $232,443
Adjusted Value $138,474

Adjusted -$80,676 for 368 sqft less living space and -$13,293 for being older. Net adjustment: -$93,969.

504 ANDOVER CV, ROUND ROCK, TX 78664
0.10 mi 100% similar Same subdivision
3 bed 2 bath 476 sqft Built 1984
Raw Value $252,153
Adjusted Value $257,275

Adjusted +$18,415 for 84 sqft more living space and -$13,293 for being older. Net adjustment: +$5,122.

507 ANDOVER CV, ROUND ROCK, TX 78664
0.10 mi 100% similar Same subdivision
3 bed 2 bath 944 sqft Built 1985
Raw Value $241,536
Adjusted Value $157,352

Adjusted -$84,184 for 384 sqft less living space. Net adjustment: -$84,184.

501 EGGER CV, ROUND ROCK, TX 78664
0.16 mi 100% similar Same subdivision
3 bed 2 bath 640 sqft Built 1984
Raw Value $285,497
Adjusted Value $254,666

Adjusted -$17,538 for 80 sqft less living space and -$13,293 for being older. Net adjustment: -$30,831.

The Neighborhood

This home is valued 1.1% above the R460483I - Chapel Hill North Sec 1 & 2 median of $260,016. With 157 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 16.9% over the past year.

R460483I - Chapel Hill North Sec 1 & 2

typical
157 Properties
$260,016 Median Value
-16.9% YoY Change
2% Have Pool
90% Have Garage
This Home
$262,839
Median
$260,016

This home is +1.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $4,729 across all districts. With a homestead exemption claimed, that drops to $3,430 — saving $1,299 per year. That's $286 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%$2,347
Round RockCity0.3720%$978
Williamson CountyCounty0.3694%$971
Austin Community Collegespecial0.1034%$272
Williamson County FM/RdCounty0.0443%$117
Upper Brushy Creek WCIDWater0.0170%$45
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$4,729

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $208,269 would pay approximately $1,300 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