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3808 WINNIE PL, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath2,894 sqftBuilt 2020

Property at a Glance

This home is estimated between $568,048 and $1,325,573, with a best estimate of $759,512. 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

$568,048 $1,325,573
Best Estimate
$759,512
WCAD Value
$636,572
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 $568,048 and $1,325,573 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 $568,048

Adjusted -$70,935 for 320 sqft less living space and -$1,826 for being older. Net adjustment: -$72,761.

3821 WINNIE PL, ROUND ROCK, TX 78681
0.00 mi 95% similar Same subdivision
5 bed 3 bath 2,217 sqft Built 2021
Raw Value $546,251
Adjusted Value $694,498

Adjusted +$150,073 for 677 sqft more living space and -$1,826 for being older. Net adjustment: +$148,247.

4 bed 3 bath 2,729 sqft Built 2013
Raw Value $1,276,214
Adjusted Value $1,325,573

Adjusted +$36,576 for 165 sqft more living space and +$12,783 for being newer. Net adjustment: +$49,359.

4 bed 3 bath 2,882 sqft Built 2007
Raw Value $733,113
Adjusted Value $759,512

Adjusted +$2,660 for 12 sqft more living space and +$23,739 for being newer. Net adjustment: +$26,399.

4 bed 3 bath 2,711 sqft Built 2012
Raw Value $1,185,625
Adjusted Value $1,240,800

Adjusted +$40,566 for 183 sqft more living space and +$14,609 for being newer. Net adjustment: +$55,175.

The Neighborhood

This home is valued 21.6% 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
$636,572
Median
$523,371

This home is +21.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $13,153 across all districts. With a homestead exemption claimed, that drops to $11,565 — saving $1,588 per year. That's $964 per month a buyer should budget. The assessed value increased -1.2% vs the subdivision average of -9.3%. This above-average increase gives a protest opportunity score of 41 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Georgetown ISDSchool1.0506%$6,688
Highlands at Mayfield Ranch MUDMUD0.4850%$3,087
Williamson CountyCounty0.3694%$2,352
Williamson County ESD #9 - Round RockESD0.0999%$636
Williamson County FM/RdCounty0.0443%$282
Upper Brushy Creek WCIDWater0.0170%$108
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0663%$13,153
41 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $759,512 would pay approximately $4,741 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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