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517 HEATHER DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,771 sqftBuilt 1977

Property at a Glance

This home is estimated between $327,457 and $393,910, with a best estimate of $352,009. That places the property below the R462475H - Egger Acres median of $353,946, in a neighborhood that declined 4.4% over the past year.

Estimated Value Range

$327,457 $393,910
Best Estimate
$352,009
WCAD Value
$410,830
Medium Confidence

Based on 5 comparable properties(4 in the same subdivision)

Based on 5 comparable properties (4 in the same subdivision, 1 nearby), the estimated range is $327,457 and $393,910. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

608 KAROLYN DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,006 sqft Built 1975
Raw Value $379,361
Adjusted Value $327,457

Adjusted -$51,070 for 235 sqft less living space and -$834 for being older. Net adjustment: -$51,904.

602 VIRGINIA DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,884 sqft Built 1970
Raw Value $379,486
Adjusted Value $352,009

Adjusted -$24,557 for 113 sqft less living space and -$2,920 for being older. Net adjustment: -$27,477.

3 bed 2 bath 1,830 sqft Built 1983
Raw Value $373,783
Adjusted Value $363,464

Adjusted -$12,822 for 59 sqft less living space and +$2,503 for being newer. Net adjustment: -$10,319.

516 VIRGINIA DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,447 sqft Built 1970
Raw Value $326,418
Adjusted Value $393,910

Adjusted +$70,412 for 324 sqft more living space and -$2,920 for being older. Net adjustment: +$67,492.

1703 GREYSON DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,670 sqft Built 1978
Raw Value $319,246
Adjusted Value $341,612

Adjusted +$21,949 for 101 sqft more living space and +$417 for being newer. Net adjustment: +$22,366.

The Neighborhood

This home is valued 16.1% 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
$410,830
Median
$353,946

This home is +16.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $7,392 across all districts. With a homestead exemption claimed, that drops to $6,066 — saving $1,326 per year. That's $506 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%$3,669
Round RockCity0.3720%$1,528
Williamson CountyCounty0.3694%$1,518
Austin Community Collegespecial0.1034%$425
Williamson County FM/RdCounty0.0443%$182
Upper Brushy Creek WCIDWater0.0170%$70
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$7,392

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $352,009 would pay approximately $2,197 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 4/19/2026.

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