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3410 SANDY KOUFAX LN, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,059 sqftBuilt 2002

Property at a Glance

This home is estimated between $186,545 and $356,863, with a best estimate of $337,348. That places the property below 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

$186,545 $356,863
Best Estimate
$337,348
WCAD Value
$353,039
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 $186,545 and $356,863. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3428 SANDY KOUFAX LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,020 sqft Built 2003
Raw Value $348,644
Adjusted Value $356,863

Adjusted +$7,267 for 39 sqft more living space and +$952 for being newer. Net adjustment: +$8,219.

3625 SANDY KOUFAX LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,816 sqft Built 2003
Raw Value $326,655
Adjusted Value $186,545

Adjusted -$141,062 for 757 sqft less living space and +$952 for being newer. Net adjustment: -$140,110.

3430 SANDY KOUFAX LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,088 sqft Built 2002
Raw Value $338,204
Adjusted Value $332,800

Adjusted -$5,404 for 29 sqft less living space. Net adjustment: -$5,404.

3417 SANDY KOUFAX LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,097 sqft Built 2003
Raw Value $343,477
Adjusted Value $337,348

Adjusted -$7,081 for 38 sqft less living space and +$952 for being newer. Net adjustment: -$6,129.

3415 SANDY KOUFAX LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,069 sqft Built 2003
Raw Value $349,074
Adjusted Value $348,163

Adjusted -$1,863 for 10 sqft less living space and +$952 for being newer. Net adjustment: -$911.

The Neighborhood

This home is valued 3.9% 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

typical
567 Properties
$339,919 Median Value
-9.3% YoY Change
1% Have Pool
100% Have Garage
This Home
$353,039
Median
$339,919

This home is +3.9% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,352 across all districts. With a homestead exemption claimed, that drops to $5,037 — saving $1,315 per year. That's $420 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%$3,153
Round RockCity0.3720%$1,313
Williamson CountyCounty0.3694%$1,304
Austin Community Collegespecial0.1034%$365
Williamson County FM/RdCounty0.0443%$156
Upper Brushy Creek WCIDWater0.0170%$60
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,352

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $337,348 would pay approximately $2,106 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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