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505 ARDEN CT, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,721 sqftBuilt 1999

Property at a Glance

This home is estimated between $238,429 and $646,893, with a best estimate of $533,584. 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

$238,429 $646,893
Best Estimate
$533,584
WCAD Value
$548,428
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 $238,429 and $646,893. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

500 ARDEN CT, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,752 sqft Built 1995
Raw Value $532,987
Adjusted Value $531,084

Adjusted -$10,337 for 31 sqft less living space and +$8,434 for being newer. Net adjustment: -$1,903.

502 ARDEN CT, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,656 sqft Built 2001
Raw Value $516,126
Adjusted Value $533,584

Adjusted +$21,675 for 65 sqft more living space and -$4,217 for being older. Net adjustment: +$17,458.

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 $238,429

Adjusted -$285,770 for 857 sqft less living space and +$4,217 for being newer. Net adjustment: -$281,553.

504 ARDEN CT, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,460 sqft Built 1995
Raw Value $538,135
Adjusted Value $633,601

Adjusted +$87,032 for 261 sqft more living space and +$8,434 for being newer. Net adjustment: +$95,466.

507 ARDEN CT, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,438 sqft Built 1995
Raw Value $544,091
Adjusted Value $646,893

Adjusted +$94,368 for 283 sqft more living space and +$8,434 for being newer. Net adjustment: +$102,802.

The Neighborhood

This home is valued 9.1% 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
$548,428
Median
$502,867

This home is +9.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,868 across all districts. With a homestead exemption claimed, that drops to $8,516 — saving $1,352 per year. That's $710 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%$4,898
Round RockCity0.3720%$2,040
Williamson CountyCounty0.3694%$2,026
Austin Community Collegespecial0.1034%$567
Williamson County FM/RdCounty0.0443%$243
Upper Brushy Creek WCIDWater0.0170%$93
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$9,868

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $533,584 would pay approximately $3,331 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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