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502 RUBIO AVE, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

1 bed1 bath720 sqftBuilt 1940

Property at a Glance

This home is estimated between $78,852 and $164,675, with a best estimate of $124,377. That places the property below the R701575F - OLD TOWN ROUND ROCK median of $319,256, in a neighborhood that appreciated 4.3% over the past year.

Estimated Value Range

$78,852 $164,675
Best Estimate
$124,377
WCAD Value
$155,212
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 $78,852 and $164,675. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

704 RUBIO AVE, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
2 bed 1 bath 789 sqft Built 1940
Raw Value $157,579
Adjusted Value $139,862

Adjusted -$17,717 for 69 sqft less living space. Net adjustment: -$17,717.

705 RUBIO AVE, ROUND ROCK, TX 78664
0.00 mi 97% similar Same subdivision
1 bed 1 bath 572 sqft Built 1950
Raw Value $117,299
Adjusted Value $124,377

Adjusted +$38,001 for 148 sqft more living space and -$30,923 for being older. Net adjustment: +$7,078.

603 RUBIO AVE, ROUND ROCK, TX 78664
0.00 mi 93% similar Same subdivision
2 bed 1 bath 904 sqft Built 1940
Raw Value $211,919
Adjusted Value $164,675

Adjusted -$47,244 for 184 sqft less living space. Net adjustment: -$47,244.

504 RUBIO AVE, ROUND ROCK, TX 78664
0.00 mi 91% similar Same subdivision
2 bed 1 bath 1,050 sqft Built 1955
Raw Value $248,772
Adjusted Value $117,656

Adjusted -$84,731 for 330 sqft less living space and -$46,385 for being older. Net adjustment: -$131,116.

604 RUBIO AVE, ROUND ROCK, TX 78664
0.00 mi 89% similar Same subdivision
3 bed 2 bath 936 sqft Built 1940
Raw Value $134,312
Adjusted Value $78,852

Adjusted -$55,460 for 216 sqft less living space. Net adjustment: -$55,460.

The Neighborhood

This home is valued 51.4% 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

outlier low
360 Properties
$319,256 Median Value
+4.3% YoY Change
5% Have Pool
24% Have Garage
This Home
$155,212
Median
$319,256

This home is -51.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $2,793 across all districts. With a homestead exemption claimed, that drops to $1,514 — saving $1,279 per year. That's $126 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%$1,386
Round RockCity0.3720%$577
Williamson CountyCounty0.3694%$573
Austin Community Collegespecial0.1034%$160
Williamson County FM/RdCounty0.0443%$69
Upper Brushy Creek WCIDWater0.0170%$26
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$2,793

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $124,377 would pay approximately $776 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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