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603 RILEY CV, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,239 sqftBuilt 1984

Property at a Glance

This home is estimated between $209,287 and $306,641, with a best estimate of $261,676. That places the property above the R460483I - Chapel Hill North Sec 1 & 2 median of $260,016, in a neighborhood that declined 16.9% over the past year.

Estimated Value Range

$209,287 $306,641
Best Estimate
$261,676
WCAD Value
$299,699
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R460483I - Chapel Hill North Sec 1 & 2. The estimated range of $209,287 and $306,641 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 1,380 sqft Built 1985
Raw Value $284,767
Adjusted Value $267,149

Adjusted -$30,911 for 141 sqft less living space and +$13,293 for being newer. Net adjustment: -$17,618.

3 bed 2 bath 1,409 sqft Built 1985
Raw Value $285,652
Adjusted Value $261,676

Adjusted -$37,269 for 170 sqft less living space and +$13,293 for being newer. Net adjustment: -$23,976.

3 bed 2 bath 1,312 sqft Built 1981
Raw Value $268,489
Adjusted Value $212,607

Adjusted -$16,004 for 73 sqft less living space and -$39,878 for being older. Net adjustment: -$55,882.

3 bed 2 bath 1,090 sqft Built 1985
Raw Value $260,683
Adjusted Value $306,641

Adjusted +$32,665 for 149 sqft more living space and +$13,293 for being newer. Net adjustment: +$45,958.

3 bed 2 bath 1,264 sqft Built 1977
Raw Value $307,816
Adjusted Value $209,287

Adjusted -$5,481 for 25 sqft less living space and -$93,048 for being older. Net adjustment: -$98,529.

The Neighborhood

This home is valued 15.3% above the R460483I - Chapel Hill North Sec 1 & 2 median of $260,016. With 157 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 16.9% over the past year.

R460483I - Chapel Hill North Sec 1 & 2

above average
157 Properties
$260,016 Median Value
-16.9% YoY Change
2% Have Pool
90% Have Garage
This Home
$299,699
Median
$260,016

This home is +15.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $5,392 across all districts. With a homestead exemption claimed, that drops to $4,087 — saving $1,305 per year. That's $341 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%$2,677
Round RockCity0.3720%$1,115
Williamson CountyCounty0.3694%$1,107
Austin Community Collegespecial0.1034%$310
Williamson County FM/RdCounty0.0443%$133
Upper Brushy Creek WCIDWater0.0170%$51
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,392

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $261,676 would pay approximately $1,633 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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