Beta Williamson County, TX only — data and coverage are limited during early access.

506 ARDEN CT, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath2,707 sqftBuilt 1985

Property at a Glance

This home is estimated between $471,714 and $674,440, with a best estimate of $604,800. That places the property above the R280589F - Oakcreek Sec 1,2, and (AMD's) median of $502,867, in a neighborhood that declined 8.9% over the past year.

Estimated Value Range

$471,714 $674,440
Best Estimate
$604,800
WCAD Value
$553,758
High Confidence

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

Based on 5 comparable properties in R280589F - Oakcreek Sec 1,2, and (AMD's), this home's estimated market value is between $471,714 and $674,440. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

501 ARDEN CT, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,578 sqft Built 1997
Raw Value $519,982
Adjusted Value $537,695

Adjusted +$43,016 for 129 sqft more living space and -$25,303 for being older. Net adjustment: +$17,713.

1808 JOHNSON WAY, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,928 sqft Built 1992
Raw Value $400,702
Adjusted Value $645,703

Adjusted +$259,761 for 779 sqft more living space and -$14,760 for being older. Net adjustment: +$245,001.

1702 JOHNSON WAY, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
4 bed 2 bath 2,255 sqft Built 1997
Raw Value $479,382
Adjusted Value $604,800

Adjusted +$150,721 for 452 sqft more living space and -$25,303 for being older. Net adjustment: +$125,418.

1800 JOHNSON WAY, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
4 bed 2 bath 2,293 sqft Built 1995
Raw Value $557,476
Adjusted Value $674,440

Adjusted +$138,050 for 414 sqft more living space and -$21,086 for being older. Net adjustment: +$116,964.

1704 JOHNSON WAY, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
4 bed 2 bath 2,879 sqft Built 1996
Raw Value $552,262
Adjusted Value $471,714

Adjusted -$57,354 for 172 sqft less living space and -$23,194 for being older. Net adjustment: -$80,548.

The Neighborhood

This home is valued 10.1% above the R280589F - Oakcreek Sec 1,2, and (AMD's) median of $502,867. With 787 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 8.9% over the past year.

R280589F - Oakcreek Sec 1,2, and (AMD's)

typical
787 Properties
$502,867 Median Value
-8.9% YoY Change
2% Have Pool
99% Have Garage
This Home
$553,758
Median
$502,867

This home is +10.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,964 across all districts. With a homestead exemption claimed, that drops to $8,611 — saving $1,353 per year. That's $718 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%$4,946
Round RockCity0.3720%$2,060
Williamson CountyCounty0.3694%$2,046
Austin Community Collegespecial0.1034%$573
Williamson County FM/RdCounty0.0443%$245
Upper Brushy Creek WCIDWater0.0170%$94
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$9,964

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $604,800 would pay approximately $3,775 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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