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521 TRINITY BND, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath804 sqftBuilt 2014

Property at a Glance

This home is estimated between $18,534 and $569,889, with a best estimate of $201,052. That places the property below the R525503F - TURTLE CREEK VILLAGE median of $329,108, in a neighborhood that declined 7.5% over the past year.

Estimated Value Range

$18,534 $569,889
Best Estimate
$201,052
WCAD Value
$341,255
Low Confidence

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

There are 5 comparable properties within range, but none are in R525503F - TURTLE CREEK VILLAGE. The estimated range of $18,534 and $569,889 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 1,598 sqft Built 1985
Raw Value $306,958
Adjusted Value $109,759

Adjusted -$233,946 for 794 sqft less living space and +$31,115 for being newer and +$5,632 for having a garage. Net adjustment: -$197,199.

3 bed 2 bath 1,356 sqft Built 2012
Raw Value $732,336
Adjusted Value $569,889

Adjusted -$162,642 for 552 sqft less living space and +$2,146 for being newer and -$7,583 for no pool and +$5,632 for having a garage. Net adjustment: -$162,447.

3 bed 2 bath 1,524 sqft Built 2008
Raw Value $505,830
Adjusted Value $300,126

Adjusted -$212,142 for 720 sqft less living space and +$6,438 for being newer. Net adjustment: -$205,704.

3 bed 2 bath 2,050 sqft Built 2015
Raw Value $569,249
Adjusted Value $201,052

Adjusted -$367,124 for 1,246 sqft less living space and -$1,073 for being older. Net adjustment: -$368,197.

3 bed 2 bath 1,804 sqft Built 1969
Raw Value $264,894
Adjusted Value $18,534

Adjusted -$294,642 for 1,000 sqft less living space and +$48,282 for being newer. Net adjustment: -$246,360.

The Neighborhood

This home is valued 3.7% above the R525503F - TURTLE CREEK VILLAGE median of $329,108. With 425 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 7.5% over the past year.

R525503F - TURTLE CREEK VILLAGE

typical
425 Properties
$329,108 Median Value
-7.5% YoY Change
13% Have Pool
49% Have Garage
This Home
$341,255
Median
$329,108

This home is +3.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,140 across all districts. With a homestead exemption claimed, that drops to $4,827 — saving $1,313 per year. That's $402 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%$3,048
Round RockCity0.3720%$1,269
Williamson CountyCounty0.3694%$1,261
Austin Community Collegespecial0.1034%$353
Williamson County FM/RdCounty0.0443%$151
Upper Brushy Creek WCIDWater0.0170%$58
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,140

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $201,052 would pay approximately $1,255 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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