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605 RUBIO AVE, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed1 bath1,598 sqftBuilt 1970

Property at a Glance

This home is estimated between $242,452 and $399,498, with a best estimate of $357,480. That places the property above the R701575F - OLD TOWN ROUND ROCK median of $319,256, in a neighborhood that appreciated 4.3% over the past year.

Estimated Value Range

$242,452 $399,498
Best Estimate
$357,480
WCAD Value
$259,579
High Confidence

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

Based on 5 comparable properties in R701575F - OLD TOWN ROUND ROCK, this home's estimated market value is between $242,452 and $399,498. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

606 RUBIO AVE, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 1 bath 1,628 sqft Built 1940
Raw Value $157,385
Adjusted Value $242,452

Adjusted -$7,703 for 30 sqft less living space and +$92,770 for being newer. Net adjustment: +$85,067.

505 RUBIO AVE, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 1 bath 1,568 sqft Built 1940
Raw Value $257,007
Adjusted Value $357,480

Adjusted +$7,703 for 30 sqft more living space and +$92,770 for being newer. Net adjustment: +$100,473.

601 RUBIO AVE, ROUND ROCK, TX 78664
0.00 mi 99% similar Same subdivision
3 bed 1 bath 1,778 sqft Built 1940
Raw Value $352,945
Adjusted Value $399,498

Adjusted -$46,217 for 180 sqft less living space and +$92,770 for being newer. Net adjustment: +$46,553.

801 TONY DR, ROUND ROCK, TX 78664
0.03 mi 94% similar Same subdivision
3 bed 2 bath 1,743 sqft Built 1982
Raw Value $341,623
Adjusted Value $267,285

Adjusted -$37,230 for 145 sqft less living space and -$37,108 for being older. Net adjustment: -$74,338.

701 RUBIO AVE, ROUND ROCK, TX 78664
0.00 mi 92% similar Same subdivision
2 bed 1 bath 1,375 sqft Built 1940
Raw Value $225,370
Adjusted Value $375,398

Adjusted +$57,258 for 223 sqft more living space and +$92,770 for being newer. Net adjustment: +$150,028.

The Neighborhood

This home is valued 18.7% below the R701575F - OLD TOWN ROUND ROCK median of $319,256. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 4.3% over the past year.

R701575F - OLD TOWN ROUND ROCK

below average
360 Properties
$319,256 Median Value
+4.3% YoY Change
5% Have Pool
24% Have Garage
This Home
$259,579
Median
$319,256

This home is -18.7% below the subdivision median.

Tax Analysis

The estimated annual property tax is $2,493 across all districts. With a homestead exemption claimed, that drops to $1,230 — saving $1,263 per year. That's $103 per month a buyer should budget. The assessed value increased +106.1% vs the subdivision average of +4.3%. This above-average increase gives a protest opportunity score of 100 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$1,237
Round RockCity0.3720%$515
Williamson CountyCounty0.3694%$512
Austin Community Collegespecial0.1034%$143
Williamson County FM/RdCounty0.0443%$61
Upper Brushy Creek WCIDWater0.0170%$24
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$2,493
100 / 100

There may be a strong case to protest this appraisal.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $357,480 would pay approximately $2,231 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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