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1303 CASA BLANCA CV, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath970 sqftBuilt 2006

Property at a Glance

This home is estimated between $95,105 and $334,009, with a best estimate of $315,751. That places the property above the R402401F - Lakeside Sub Sec 1 median of $311,433, in a neighborhood that declined 11.3% over the past year.

Estimated Value Range

$95,105 $334,009
Best Estimate
$315,751
WCAD Value
$337,108
High Confidence

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

Based on 5 comparable properties in R402401F - Lakeside Sub Sec 1, this home's estimated market value is between $95,105 and $334,009. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1305 CASA BLANCA CV, ROUND ROCK, TX 78665
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,082 sqft Built 2006
Raw Value $348,773
Adjusted Value $315,751

Adjusted -$33,022 for 112 sqft less living space. Net adjustment: -$33,022.

1301 CASA BLANCA CV, ROUND ROCK, TX 78665
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,636 sqft Built 2005
Raw Value $287,703
Adjusted Value $95,105

Adjusted -$196,365 for 666 sqft less living space and +$3,767 for being newer. Net adjustment: -$192,598.

3502 SANDY BROOK DR, ROUND ROCK, TX 78665
0.02 mi 100% similar Same subdivision
3 bed 2 bath 928 sqft Built 2003
Raw Value $305,430
Adjusted Value $329,115

Adjusted +$12,383 for 42 sqft more living space and +$11,302 for being newer. Net adjustment: +$23,685.

3500 SANDY BROOK DR, ROUND ROCK, TX 78665
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,014 sqft Built 2004
Raw Value $339,447
Adjusted Value $334,009

Adjusted -$12,973 for 44 sqft less living space and +$7,535 for being newer. Net adjustment: -$5,438.

3504 SANDY BROOK DR, ROUND ROCK, TX 78665
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,592 sqft Built 2003
Raw Value $277,988
Adjusted Value $105,898

Adjusted -$183,392 for 622 sqft less living space and +$11,302 for being newer. Net adjustment: -$172,090.

The Neighborhood

This home is valued 8.2% above the R402401F - Lakeside Sub Sec 1 median of $311,433. With 135 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 11.3% over the past year.

R402401F - Lakeside Sub Sec 1

typical
135 Properties
$311,433 Median Value
-11.3% YoY Change
1% Have Pool
100% Have Garage
This Home
$337,108
Median
$311,433

This home is +8.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,066 across all districts. With a homestead exemption claimed, that drops to $4,753 — saving $1,313 per year. That's $396 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%$3,011
Round RockCity0.3720%$1,254
Williamson CountyCounty0.3694%$1,245
Austin Community Collegespecial0.1034%$349
Williamson County FM/RdCounty0.0443%$149
Upper Brushy Creek WCIDWater0.0170%$57
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,066

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $315,751 would pay approximately $1,971 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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