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3824 WINNIE PL, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed4 bath2,930 sqftBuilt 2020

Property at a Glance

This home is estimated between $576,028 and $1,342,105, with a best estimate of $1,306,343. That places the property above the G799514C - MAYFIELD RANCH median of $523,371, in a neighborhood that declined 9.3% over the past year.

Estimated Value Range

$576,028 $1,342,105
Best Estimate
$1,306,343
WCAD Value
$738,952
Low Confidence

Based on 5 comparable properties(2 in the same subdivision)

There are 5 comparable properties within range, but few are in G799514C - MAYFIELD RANCH. The estimated range of $576,028 and $1,342,105 should be treated as a rough guide.

Comparable Properties (5)

3820 WINNIE PL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 3,214 sqft Built 2021
Raw Value $640,809
Adjusted Value $576,028

Adjusted -$62,955 for 284 sqft less living space and -$1,826 for being older. Net adjustment: -$64,781.

3821 WINNIE PL, ROUND ROCK, TX 78681
0.00 mi 99% similar Same subdivision
5 bed 3 bath 2,217 sqft Built 2021
Raw Value $546,251
Adjusted Value $702,478

Adjusted +$158,053 for 713 sqft more living space and -$1,826 for being older. Net adjustment: +$156,227.

5 bed 4 bath 2,998 sqft Built 2012
Raw Value $1,306,808
Adjusted Value $1,306,343

Adjusted -$15,074 for 68 sqft less living space and +$14,609 for being newer. Net adjustment: -$465.

5 bed 4 bath 2,821 sqft Built 2012
Raw Value $1,303,334
Adjusted Value $1,342,105

Adjusted +$24,162 for 109 sqft more living space and +$14,609 for being newer. Net adjustment: +$38,771.

4 bed 3 bath 2,729 sqft Built 2013
Raw Value $1,276,214
Adjusted Value $1,333,553

Adjusted +$44,556 for 201 sqft more living space and +$12,783 for being newer. Net adjustment: +$57,339.

The Neighborhood

This home is valued 41.2% above the G799514C - MAYFIELD RANCH median of $523,371. With 1,093 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 9.3% over the past year.

G799514C - MAYFIELD RANCH

above average
1,093 Properties
$523,371 Median Value
-9.3% YoY Change
1% Have Pool
100% Have Garage
This Home
$738,952
Median
$523,371

This home is +41.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $15,269 across all districts. With a homestead exemption claimed, that drops to $13,662 — saving $1,607 per year. That's $1,139 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
Georgetown ISDSchool1.0506%$7,763
Highlands at Mayfield Ranch MUDMUD0.4850%$3,584
Williamson CountyCounty0.3694%$2,730
Williamson County ESD #9 - Round RockESD0.0999%$738
Williamson County FM/RdCounty0.0443%$328
Upper Brushy Creek WCIDWater0.0170%$126
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0663%$15,269

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,306,343 would pay approximately $8,154 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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