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509 EDWARDS DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,482 sqftBuilt 1984

Property at a Glance

This home is estimated between $158,262 and $417,541, with a best estimate of $319,905. 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

$158,262 $417,541
Best Estimate
$319,905
WCAD Value
$285,021
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 $158,262 and $417,541 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 1,407 sqft Built 1992
Raw Value $294,758
Adjusted Value $417,541

Adjusted +$16,442 for 75 sqft more living space and +$106,341 for being newer. Net adjustment: +$122,783.

3 bed 2 bath 1,474 sqft Built 1985
Raw Value $304,858
Adjusted Value $319,905

Adjusted +$1,754 for 8 sqft more living space and +$13,293 for being newer. Net adjustment: +$15,047.

3 bed 2 bath 1,373 sqft Built 1984
Raw Value $294,307
Adjusted Value $318,203

Adjusted +$23,896 for 109 sqft more living space. Net adjustment: +$23,896.

3 bed 2 bath 1,303 sqft Built 1985
Raw Value $305,554
Adjusted Value $358,089

Adjusted +$39,242 for 179 sqft more living space and +$13,293 for being newer. Net adjustment: +$52,535.

3 bed 2 bath 1,392 sqft Built 1975
Raw Value $258,164
Adjusted Value $158,262

Adjusted +$19,731 for 90 sqft more living space and -$119,633 for being older. Net adjustment: -$99,902.

The Neighborhood

This home is valued 9.6% 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

typical
157 Properties
$260,016 Median Value
-16.9% YoY Change
2% Have Pool
90% Have Garage
This Home
$285,021
Median
$260,016

This home is +9.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $5,128 across all districts. With a homestead exemption claimed, that drops to $3,825 — saving $1,303 per year. That's $319 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%$2,546
Round RockCity0.3720%$1,060
Williamson CountyCounty0.3694%$1,053
Austin Community Collegespecial0.1034%$295
Williamson County FM/RdCounty0.0443%$126
Upper Brushy Creek WCIDWater0.0170%$48
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,128

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $319,905 would pay approximately $1,997 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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