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1300 SOSA CV, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath2,422 sqftBuilt 2002

Property at a Glance

This home is estimated between $356,849 and $454,017, with a best estimate of $410,467. That places the property above the R454400F - Ryan's Crossing Sec 1 Thru 6 median of $339,919, in a neighborhood that declined 9.3% over the past year.

Estimated Value Range

$356,849 $454,017
Best Estimate
$410,467
WCAD Value
$416,746
High Confidence

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

Based on 5 comparable properties in R454400F - Ryan's Crossing Sec 1 Thru 6, this home's estimated market value is between $356,849 and $454,017. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1307 SOSA CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,038 sqft Built 2003
Raw Value $337,959
Adjusted Value $410,467

Adjusted +$71,556 for 384 sqft more living space and +$952 for being newer. Net adjustment: +$72,508.

1305 SOSA CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,813 sqft Built 2003
Raw Value $332,293
Adjusted Value $446,729

Adjusted +$113,484 for 609 sqft more living space and +$952 for being newer. Net adjustment: +$114,436.

1306 SOSA CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,484 sqft Built 2003
Raw Value $367,450
Adjusted Value $356,849

Adjusted -$11,553 for 62 sqft less living space and +$952 for being newer. Net adjustment: -$10,601.

1304 SOSA CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,789 sqft Built 2003
Raw Value $335,109
Adjusted Value $454,017

Adjusted +$117,956 for 633 sqft more living space and +$952 for being newer. Net adjustment: +$118,908.

1303 SOSA CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,065 sqft Built 2002
Raw Value $342,824
Adjusted Value $409,349

Adjusted +$66,525 for 357 sqft more living space. Net adjustment: +$66,525.

The Neighborhood

This home is valued 22.6% above the R454400F - Ryan's Crossing Sec 1 Thru 6 median of $339,919. With 567 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 9.3% over the past year.

R454400F - Ryan's Crossing Sec 1 Thru 6

above average
567 Properties
$339,919 Median Value
-9.3% YoY Change
1% Have Pool
100% Have Garage
This Home
$416,746
Median
$339,919

This home is +22.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $7,498 across all districts. With a homestead exemption claimed, that drops to $6,171 — saving $1,327 per year. That's $514 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%$3,722
Round RockCity0.3720%$1,550
Williamson CountyCounty0.3694%$1,540
Austin Community Collegespecial0.1034%$431
Williamson County FM/RdCounty0.0443%$185
Upper Brushy Creek WCIDWater0.0170%$71
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$7,498

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $410,467 would pay approximately $2,562 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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