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3432 SANDY KOUFAX LN, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,837 sqftBuilt 2002

Property at a Glance

This home is estimated between $331,520 and $498,015, with a best estimate of $333,299. 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

$331,520 $498,015
Best Estimate
$333,299
WCAD Value
$327,588
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 $331,520 and $498,015. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3601 SANDY KOUFAX LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,892 sqft Built 2003
Raw Value $341,792
Adjusted Value $332,495

Adjusted -$10,249 for 55 sqft less living space and +$952 for being newer. Net adjustment: -$9,297.

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 $331,520

Adjusted +$3,913 for 21 sqft more living space and +$952 for being newer. Net adjustment: +$4,865.

3607 SANDY KOUFAX LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,892 sqft Built 2003
Raw Value $342,596
Adjusted Value $333,299

Adjusted -$10,249 for 55 sqft less living space and +$952 for being newer. Net adjustment: -$9,297.

3410 SANDY KOUFAX LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,059 sqft Built 2002
Raw Value $353,039
Adjusted Value $498,015

Adjusted +$144,976 for 778 sqft more living space. Net adjustment: +$144,976.

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 $477,776

Adjusted +$139,572 for 749 sqft more living space. Net adjustment: +$139,572.

The Neighborhood

This home is valued 3.6% below the R454400F - Ryan's Crossing Sec 1 Thru 6 median of $339,919. That positions it competitively for buyers comparing within the neighborhood. 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
$327,588
Median
$339,919

This home is -3.6% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,894 across all districts. With a homestead exemption claimed, that drops to $4,583 — saving $1,311 per year. That's $382 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%$2,926
Round RockCity0.3720%$1,219
Williamson CountyCounty0.3694%$1,210
Austin Community Collegespecial0.1034%$339
Williamson County FM/RdCounty0.0443%$145
Upper Brushy Creek WCIDWater0.0170%$56
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,894

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $333,299 would pay approximately $2,080 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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