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915 KING COTTON LN, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed2 bath1,125 sqftBuilt 2004

Property at a Glance

This home is estimated between $213,778 and $345,927, with a best estimate of $310,898. 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

$213,778 $345,927
Best Estimate
$310,898
WCAD Value
$360,180
High Confidence

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

Based on 5 comparable properties in R525503F - TURTLE CREEK VILLAGE, this home's estimated market value is between $213,778 and $345,927. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

939 KING COTTON LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,404 sqft Built 2003
Raw Value $307,075
Adjusted Value $225,943

Adjusted -$82,205 for 279 sqft less living space and +$1,073 for being newer. Net adjustment: -$81,132.

927 KING COTTON LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,002 sqft Built 2004
Raw Value $317,269
Adjusted Value $345,927

Adjusted +$36,241 for 123 sqft more living space and -$7,583 for no pool. Net adjustment: +$28,658.

1055 KING COTTON LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,166 sqft Built 2004
Raw Value $356,567
Adjusted Value $344,487

Adjusted -$12,080 for 41 sqft less living space. Net adjustment: -$12,080.

1061 KING COTTON LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,259 sqft Built 2004
Raw Value $357,963
Adjusted Value $310,898

Adjusted -$39,482 for 134 sqft less living space and -$7,583 for no pool. Net adjustment: -$47,065.

1031 KING COTTON LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
2 bed 2 bath 1,420 sqft Built 2004
Raw Value $308,280
Adjusted Value $213,778

Adjusted -$86,919 for 295 sqft less living space and -$7,583 for no pool. Net adjustment: -$94,502.

The Neighborhood

This home is valued 9.4% 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
$360,180
Median
$329,108

This home is +9.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,481 across all districts. With a homestead exemption claimed, that drops to $5,164 — saving $1,317 per year. That's $430 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%$3,217
Round RockCity0.3720%$1,340
Williamson CountyCounty0.3694%$1,331
Austin Community Collegespecial0.1034%$372
Williamson County FM/RdCounty0.0443%$160
Upper Brushy Creek WCIDWater0.0170%$61
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,481

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $310,898 would pay approximately $1,941 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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