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527 OAK PARK DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath2,572 sqftBuilt 1993

Property at a Glance

This home is estimated between $541,597 and $917,454, with a best estimate of $667,876. 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

$541,597 $917,454
Best Estimate
$667,876
WCAD Value
$508,590
Low Confidence

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

There are 5 comparable properties within range, but none are in R280589F - Oakcreek Sec 1,2, and (AMD's). The estimated range of $541,597 and $917,454 should be treated as a rough guide.

Comparable Properties (5)

4 bed 3 bath 2,377 sqft Built 1996
Raw Value $482,899
Adjusted Value $541,597

Adjusted +$65,024 for 195 sqft more living space and -$6,326 for being older. Net adjustment: +$58,698.

3 bed 2 bath 2,573 sqft Built 1977
Raw Value $634,472
Adjusted Value $667,876

Adjusted -$333 for 1 sqft less living space and +$33,737 for being newer. Net adjustment: +$33,404.

3 bed 2 bath 2,805 sqft Built 1983
Raw Value $814,943
Adjusted Value $758,334

Adjusted -$77,695 for 233 sqft less living space and +$21,086 for being newer. Net adjustment: -$56,609.

3 bed 2 bath 2,082 sqft Built 1992
Raw Value $426,113
Adjusted Value $591,615

Adjusted +$163,393 for 490 sqft more living space and +$2,109 for being newer. Net adjustment: +$165,502.

4 bed 2 bath 1,951 sqft Built 1983
Raw Value $689,293
Adjusted Value $917,454

Adjusted +$207,075 for 621 sqft more living space and +$21,086 for being newer. Net adjustment: +$228,161.

The Neighborhood

This home is valued 1.1% 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
$508,590
Median
$502,867

This home is +1.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,151 across all districts. With a homestead exemption claimed, that drops to $7,807 — saving $1,344 per year. That's $651 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%$4,542
Round RockCity0.3720%$1,892
Williamson CountyCounty0.3694%$1,879
Austin Community Collegespecial0.1034%$526
Williamson County FM/RdCounty0.0443%$225
Upper Brushy Creek WCIDWater0.0170%$86
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$9,151

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $667,876 would pay approximately $4,169 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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