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3855 WILLIE MAYS LN, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,828 sqftBuilt 2002

Property at a Glance

This home is estimated between $327,173 and $473,769, with a best estimate of $342,047. 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

$327,173 $473,769
Best Estimate
$342,047
WCAD Value
$326,416
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 $327,173 and $473,769. 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 $473,769

Adjusted +$134,354 for 721 sqft more living space and -$952 for being older. Net adjustment: +$133,402.

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 $440,833

Adjusted +$99,321 for 533 sqft more living space and -$952 for being older. Net adjustment: +$98,369.

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 $342,047

Adjusted +$7,454 for 40 sqft more living space. Net adjustment: +$7,454.

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 $327,173

Adjusted -$3,913 for 21 sqft less living space and -$952 for being older. Net adjustment: -$4,865.

3859 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 $336,773
Adjusted Value $331,908

Adjusted -$3,913 for 21 sqft less living space and -$952 for being older. Net adjustment: -$4,865.

The Neighborhood

This home is valued 4.0% 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
$326,416
Median
$339,919

This home is -4.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,873 across all districts. With a homestead exemption claimed, that drops to $4,562 — saving $1,311 per year. That's $380 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%$2,915
Round RockCity0.3720%$1,214
Williamson CountyCounty0.3694%$1,206
Austin Community Collegespecial0.1034%$338
Williamson County FM/RdCounty0.0443%$145
Upper Brushy Creek WCIDWater0.0170%$55
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,873

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $342,047 would pay approximately $2,135 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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