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3831 WILLIE MAYS LN, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,799 sqftBuilt 2001

Property at a Glance

This home is estimated between $322,721 and $492,718, with a best estimate of $436,381. 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

$322,721 $492,718
Best Estimate
$436,381
WCAD Value
$330,135
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 $322,721 and $492,718. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3809 WILLIE MAYS LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,107 sqft Built 2001
Raw Value $340,367
Adjusted Value $469,317

Adjusted +$128,950 for 692 sqft more living space. Net adjustment: +$128,950.

3842 WILLIE MAYS LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,295 sqft Built 2001
Raw Value $342,464
Adjusted Value $436,381

Adjusted +$93,917 for 504 sqft more living space. Net adjustment: +$93,917.

3844 WILLIE MAYS LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,788 sqft Built 2002
Raw Value $334,593
Adjusted Value $337,595

Adjusted +$2,050 for 11 sqft more living space and +$952 for being newer. Net adjustment: +$3,002.

3884 WILLIE MAYS LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,049 sqft Built 2001
Raw Value $352,960
Adjusted Value $492,718

Adjusted +$139,758 for 750 sqft more living space. Net adjustment: +$139,758.

3865 WILLIE MAYS LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,849 sqft Built 2001
Raw Value $332,038
Adjusted Value $322,721

Adjusted -$9,317 for 50 sqft less living space. Net adjustment: -$9,317.

The Neighborhood

This home is valued 2.9% 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
$330,135
Median
$339,919

This home is -2.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,940 across all districts. With a homestead exemption claimed, that drops to $4,629 — saving $1,311 per year. That's $386 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%$2,948
Round RockCity0.3720%$1,228
Williamson CountyCounty0.3694%$1,220
Austin Community Collegespecial0.1034%$341
Williamson County FM/RdCounty0.0443%$146
Upper Brushy Creek WCIDWater0.0170%$56
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,940

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $436,381 would pay approximately $2,724 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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