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615 ROLLINGWAY DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed4 bath2,061 sqftBuilt 1984

Property at a Glance

This home is estimated between $442,859 and $814,912, with a best estimate of $525,334. That places the property above the R120X - Round Rock West Above 45 - Duplex median of $434,714, in a neighborhood that declined 1.8% over the past year.

Estimated Value Range

$442,859 $814,912
Best Estimate
$525,334
WCAD Value
$399,815
Low Confidence

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

There are 5 comparable properties within range, but none are in R120X - Round Rock West Above 45 - Duplex. The estimated range of $442,859 and $814,912 should be treated as a rough guide.

Comparable Properties (5)

4 bed 2 bath 1,934 sqft Built 1978
Raw Value $484,482
Adjusted Value $525,334

Adjusted +$25,823 for 127 sqft more living space and +$15,029 for being newer. Net adjustment: +$40,852.

4 bed 3 bath 2,154 sqft Built 2001
Raw Value $860,722
Adjusted Value $799,230

Adjusted -$18,910 for 93 sqft less living space and -$42,582 for being older. Net adjustment: -$61,492.

3 bed 2 bath 2,044 sqft Built 1981
Raw Value $455,252
Adjusted Value $466,223

Adjusted +$3,457 for 17 sqft more living space and +$7,514 for being newer. Net adjustment: +$10,971.

3 bed 2 bath 1,877 sqft Built 1984
Raw Value $405,447
Adjusted Value $442,859

Adjusted +$37,412 for 184 sqft more living space. Net adjustment: +$37,412.

4 bed 3 bath 2,219 sqft Built 2007
Raw Value $904,649
Adjusted Value $814,912

Adjusted -$32,126 for 158 sqft less living space and -$57,611 for being older. Net adjustment: -$89,737.

The Neighborhood

This home is valued 8.0% below the R120X - Round Rock West Above 45 - Duplex median of $434,714. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 1.8% over the past year.

R120X - Round Rock West Above 45 - Duplex

typical
295 Properties
$434,714 Median Value
-1.8% YoY Change
0% Have Pool
84% Have Garage
This Home
$399,815
Median
$434,714

This home is -8.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,653 across all districts. With a homestead exemption claimed, that drops to $6,329 — saving $1,324 per year. That's $527 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%$3,571
Brushy Creek MUDMUD0.3868%$1,547
Williamson CountyCounty0.3694%$1,477
Austin Community Collegespecial0.1034%$413
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$400
Williamson County FM/RdCounty0.0443%$177
Upper Brushy Creek WCIDWater0.0170%$68
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$7,653

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $525,334 would pay approximately $3,279 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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