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605 OAK DR E, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

2 bed2 bath1,406 sqftBuilt 1968

Property at a Glance

This home is estimated between $287,216 and $354,166, with a best estimate of $327,583. 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

$287,216 $354,166
Best Estimate
$327,583
WCAD Value
$325,889
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 $287,216 and $354,166. 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 $292,117

Adjusted -$64,762 for 298 sqft less living space and +$3,338 for being newer and +$3,854 for having a pool. Net adjustment: -$57,570.

605 LILAC DR E, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 1 bath 1,397 sqft Built 1963
Raw Value $283,492
Adjusted Value $287,216

Adjusted +$1,956 for 9 sqft more living space and -$2,086 for being older and +$3,854 for having a pool. Net adjustment: +$3,724.

606 E OAK DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
2 bed 2 bath 1,347 sqft Built 1978
Raw Value $333,318
Adjusted Value $354,166

Adjusted +$12,822 for 59 sqft more living space and +$4,172 for being newer and +$3,854 for having a pool. Net adjustment: +$20,848.

600 OAK DR E, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,264 sqft Built 1977
Raw Value $307,816
Adjusted Value $346,285

Adjusted +$30,860 for 142 sqft more living space and +$3,755 for being newer and +$3,854 for having a pool. Net adjustment: +$38,469.

609 OAK DR E, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
2 bed 2 bath 1,403 sqft Built 1976
Raw Value $319,739
Adjusted Value $327,583

Adjusted +$652 for 3 sqft more living space and +$3,338 for being newer and +$3,854 for having a pool. Net adjustment: +$7,844.

The Neighborhood

This home is valued 7.9% below the R462475H - Egger Acres median of $353,946. That positions it competitively for buyers comparing within the neighborhood. 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
$325,889
Median
$353,946

This home is -7.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,864 across all districts. With a homestead exemption claimed, that drops to $4,553 — saving $1,311 per year. That's $379 per month a buyer should budget. The assessed value increased +3.7% vs the subdivision average of -4.4%. This above-average increase gives a protest opportunity score of 41 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$2,911
Round RockCity0.3720%$1,212
Williamson CountyCounty0.3694%$1,204
Austin Community Collegespecial0.1034%$337
Williamson County FM/RdCounty0.0443%$144
Upper Brushy Creek WCIDWater0.0170%$55
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,864
41 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $327,583 would pay approximately $2,045 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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