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

515 VIRGINIA DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,703 sqftBuilt 1975

Property at a Glance

This home is estimated between $362,082 and $470,575, with a best estimate of $429,652. 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

$362,082 $470,575
Best Estimate
$429,652
WCAD Value
$359,161
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 $362,082 and $470,575. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

515 HEATHER DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,243 sqft Built 1977
Raw Value $478,601
Adjusted Value $362,082

Adjusted -$117,353 for 540 sqft less living space and +$834 for being newer. Net adjustment: -$116,519.

515 OAK DR W, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,621 sqft Built 1971
Raw Value $417,355
Adjusted Value $429,652

Adjusted +$17,820 for 82 sqft more living space and -$1,669 for being older and -$3,854 for no pool. Net adjustment: +$12,297.

515 KAROLYN DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,424 sqft Built 1971
Raw Value $320,194
Adjusted Value $379,158

Adjusted +$60,633 for 279 sqft more living space and -$1,669 for being older. Net adjustment: +$58,964.

506 PALM VALLEY BLVD E, ROUND ROCK, TX 78664
0.00 mi 98% similar Same subdivision
3 bed 2 bath 1,764 sqft Built 1972
Raw Value $485,084
Adjusted Value $470,575

Adjusted -$13,257 for 61 sqft less living space and -$1,252 for being older. Net adjustment: -$14,509.

518 PALM VALLEY BLVD E, ROUND ROCK, TX 78664
0.00 mi 95% similar Same subdivision
3 bed 2 bath 1,920 sqft Built 1972
Raw Value $488,875
Adjusted Value $440,464

Adjusted -$47,159 for 217 sqft less living space and -$1,252 for being older. Net adjustment: -$48,411.

The Neighborhood

This home is valued 1.5% 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

typical
340 Properties
$353,946 Median Value
-4.4% YoY Change
6% Have Pool
87% Have Garage
This Home
$359,161
Median
$353,946

This home is +1.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,462 across all districts. With a homestead exemption claimed, that drops to $5,146 — saving $1,316 per year. That's $429 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%$3,208
Round RockCity0.3720%$1,336
Williamson CountyCounty0.3694%$1,327
Austin Community Collegespecial0.1034%$371
Williamson County FM/RdCounty0.0443%$159
Upper Brushy Creek WCIDWater0.0170%$61
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,462

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $429,652 would pay approximately $2,682 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