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518 PALM VALLEY BLVD E, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,920 sqftBuilt 1972

Property at a Glance

This home is estimated between $407,572 and $1,007,468, with a best estimate of $518,986. That places the property above the R462475H - Egger Acres median of $353,946, in a neighborhood that declined 4.4% over the past year.

Estimated Value Range

$407,572 $1,007,468
Best Estimate
$518,986
WCAD Value
$488,875
High Confidence

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

Based on 5 comparable properties in R462475H - Egger Acres, this home's estimated market value is between $407,572 and $1,007,468. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

514 PALM VALLEY BLVD E, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,714 sqft Built 1979
Raw Value $1,177,101
Adjusted Value $1,007,468

Adjusted -$172,553 for 794 sqft less living space and +$2,920 for being newer. Net adjustment: -$169,633.

506 PALM VALLEY BLVD E, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,764 sqft Built 1972
Raw Value $485,084
Adjusted Value $518,986

Adjusted +$33,902 for 156 sqft more living space. Net adjustment: +$33,902.

504 PALM VALLEY BLVD E, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,328 sqft Built 1975
Raw Value $611,960
Adjusted Value $524,545

Adjusted -$88,667 for 408 sqft less living space and +$1,252 for being newer. Net adjustment: -$87,415.

515 VIRGINIA DR, ROUND ROCK, TX 78664
0.00 mi 95% similar Same subdivision
3 bed 2 bath 1,703 sqft Built 1975
Raw Value $359,161
Adjusted Value $407,572

Adjusted +$47,159 for 217 sqft more living space and +$1,252 for being newer. Net adjustment: +$48,411.

515 KAROLYN DR, ROUND ROCK, TX 78664
0.00 mi 91% similar Same subdivision
3 bed 2 bath 1,424 sqft Built 1971
Raw Value $320,194
Adjusted Value $427,568

Adjusted +$107,791 for 496 sqft more living space and -$417 for being older. Net adjustment: +$107,374.

The Neighborhood

This home is valued 38.1% above the R462475H - Egger Acres median of $353,946. With 340 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 4.4% over the past year.

R462475H - Egger Acres

above average
340 Properties
$353,946 Median Value
-4.4% YoY Change
6% Have Pool
87% Have Garage
This Home
$488,875
Median
$353,946

This home is +38.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,796 across all districts. With a homestead exemption claimed, that drops to $7,456 — saving $1,340 per year. That's $621 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%$4,366
Round RockCity0.3720%$1,819
Williamson CountyCounty0.3694%$1,806
Austin Community Collegespecial0.1034%$505
Williamson County FM/RdCounty0.0443%$217
Upper Brushy Creek WCIDWater0.0170%$83
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$8,796

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $518,986 would pay approximately $3,239 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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