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603 OAK DR E, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,924 sqftBuilt 1967

Property at a Glance

This home is estimated between $395,316 and $471,392, with a best estimate of $401,253. 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

$395,316 $471,392
Best Estimate
$401,253
WCAD Value
$367,251
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 $395,316 and $471,392. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

604 LILAC DR E, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,704 sqft Built 1976
Raw Value $349,687
Adjusted Value $401,253

Adjusted +$47,811 for 220 sqft more living space and +$3,755 for being newer. Net adjustment: +$51,566.

603 VIRGINIA DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,913 sqft Built 1975
Raw Value $389,587
Adjusted Value $395,316

Adjusted +$2,391 for 11 sqft more living space and +$3,338 for being newer. Net adjustment: +$5,729.

603 KAROLYN DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,471 sqft Built 1975
Raw Value $322,684
Adjusted Value $424,468

Adjusted +$98,446 for 453 sqft more living space and +$3,338 for being newer. Net adjustment: +$101,784.

604 OAK DR E, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,616 sqft Built 1976
Raw Value $400,702
Adjusted Value $471,392

Adjusted +$66,935 for 308 sqft more living space and +$3,755 for being newer. Net adjustment: +$70,690.

608 E OAK DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,576 sqft Built 1964
Raw Value $322,288
Adjusted Value $396,664

Adjusted +$75,628 for 348 sqft more living space and -$1,252 for being older. Net adjustment: +$74,376.

The Neighborhood

This home is valued 3.8% 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
$367,251
Median
$353,946

This home is +3.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,608 across all districts. With a homestead exemption claimed, that drops to $5,290 — saving $1,318 per year. That's $441 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%$3,280
Round RockCity0.3720%$1,366
Williamson CountyCounty0.3694%$1,357
Austin Community Collegespecial0.1034%$380
Williamson County FM/RdCounty0.0443%$163
Upper Brushy Creek WCIDWater0.0170%$62
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,608

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $401,253 would pay approximately $2,505 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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