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3821 WILLIE MAYS LN, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,620 sqftBuilt 2002

Property at a Glance

This home is estimated between $303,287 and $461,029, with a best estimate of $435,010. 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

$303,287 $461,029
Best Estimate
$435,010
WCAD Value
$319,367
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 $303,287 and $461,029. 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 $435,010

Adjusted +$95,595 for 513 sqft more living space and -$952 for being older. Net adjustment: +$94,643.

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 $402,074

Adjusted +$60,562 for 325 sqft more living space and -$952 for being older. Net adjustment: +$59,610.

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 $303,287

Adjusted -$31,306 for 168 sqft less living space. Net adjustment: -$31,306.

3876 WILLIE MAYS LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 978 sqft Built 2002
Raw Value $341,396
Adjusted Value $461,029

Adjusted +$119,633 for 642 sqft more living space. Net adjustment: +$119,633.

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 $458,410

Adjusted +$106,402 for 571 sqft more living space and -$952 for being older. Net adjustment: +$105,450.

The Neighborhood

This home is valued 6.0% 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
$319,367
Median
$339,919

This home is -6.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,746 across all districts. With a homestead exemption claimed, that drops to $4,437 — saving $1,309 per year. That's $370 per month a buyer should budget. The assessed value increased -2.9% vs the subdivision average of -9.3%. This above-average increase gives a protest opportunity score of 32 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$2,852
Round RockCity0.3720%$1,188
Williamson CountyCounty0.3694%$1,180
Austin Community Collegespecial0.1034%$330
Williamson County FM/RdCounty0.0443%$142
Upper Brushy Creek WCIDWater0.0170%$54
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,746
32 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $435,010 would pay approximately $2,715 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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