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502 DENNIS DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,962 sqftBuilt 1975

Property at a Glance

This home is estimated between $369,799 and $436,252, with a best estimate of $394,351. 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

$369,799 $436,252
Best Estimate
$394,351
WCAD Value
$380,981
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 $369,799 and $436,252. 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 $369,799

Adjusted -$9,562 for 44 sqft less living space. Net adjustment: -$9,562.

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 $394,351

Adjusted +$16,951 for 78 sqft more living space and -$2,086 for being older. Net adjustment: +$14,865.

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 $436,252

Adjusted +$111,920 for 515 sqft more living space and -$2,086 for being older. Net adjustment: +$109,834.

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 $383,956

Adjusted +$63,458 for 292 sqft more living space and +$1,252 for being newer. Net adjustment: +$64,710.

3 bed 2 bath 1,830 sqft Built 1983
Raw Value $373,783
Adjusted Value $405,807

Adjusted +$28,686 for 132 sqft more living space and +$3,338 for being newer. Net adjustment: +$32,024.

The Neighborhood

This home is valued 7.6% 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
$380,981
Median
$353,946

This home is +7.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,855 across all districts. With a homestead exemption claimed, that drops to $5,534 — saving $1,321 per year. That's $461 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%$3,403
Round RockCity0.3720%$1,417
Williamson CountyCounty0.3694%$1,408
Austin Community Collegespecial0.1034%$394
Williamson County FM/RdCounty0.0443%$169
Upper Brushy Creek WCIDWater0.0170%$65
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,855

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $394,351 would pay approximately $2,462 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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