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1555 UNIVERSITY BLVD, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed215,033 sqftBuilt 2005

Property at a Glance

This home is estimated between $51,660,215 and $51,766,774, with a best estimate of $51,721,596. That places the property above the R20CS - Rr East School median of $8,387,551, in a neighborhood that appreciated 0.0% over the past year.

Estimated Value Range

$51,660,215 $51,766,774
Best Estimate
$51,721,596
WCAD Value
$157,020,004
Low Confidence

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

There are 5 comparable properties within range, but none are in R20CS - Rr East School. The estimated range of $51,660,215 and $51,766,774 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2,130 sqft Built 2005
Raw Value $394,002
Adjusted Value $51,733,985

Adjusted +$51,406,411 for 212,903 sqft more living space and -$6,235 for no pool and -$60,193 for no garage. Net adjustment: +$51,339,983.

3 bed 2 bath 2,783 sqft Built 2004
Raw Value $471,768
Adjusted Value $51,660,215

Adjusted +$51,248,741 for 212,250 sqft more living space and -$101 for being older and -$60,193 for no garage. Net adjustment: +$51,188,447.

3 bed 2 bath 2,371 sqft Built 2004
Raw Value $415,683
Adjusted Value $51,703,609

Adjusted +$51,348,220 for 212,662 sqft more living space and -$101 for being older and -$60,193 for no garage. Net adjustment: +$51,287,926.

3 bed 2 bath 2,698 sqft Built 2010
Raw Value $518,254
Adjusted Value $51,721,596

Adjusted +$51,269,264 for 212,335 sqft more living space and +$506 for being newer and -$6,235 for no pool and -$60,193 for no garage. Net adjustment: +$51,203,342.

3 bed 2 bath 1,988 sqft Built 2010
Raw Value $385,764
Adjusted Value $51,766,774

Adjusted +$51,440,697 for 213,045 sqft more living space and +$506 for being newer and -$60,193 for no garage. Net adjustment: +$51,381,010.

The Neighborhood

This home is valued 1772.1% above the R20CS - Rr East School median of $8,387,551. With 5 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 0.0% over the past year.

R20CS - Rr East School

outlier high
5 Properties
$8,387,551 Median Value
+0.0% YoY Change
0% Have Pool
0% Have Garage
This Home
$157,020,004
Median
$8,387,551

This home is +1772.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $2,825,223 across all districts. With a homestead exemption claimed, that drops to $2,794,968 — saving $30,255 per year. That's $232,914 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%$1,402,346
Round RockCity0.3720%$584,114
Williamson CountyCounty0.3694%$580,106
Austin Community Collegespecial0.1034%$162,359
Williamson County FM/RdCounty0.0443%$69,605
Upper Brushy Creek WCIDWater0.0170%$26,693
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$2,825,223

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $51,721,596 would pay approximately $322,845 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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