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3844 STANYAN DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath3,002 sqftBuilt 2020

Property at a Glance

This home is estimated between $571,888 and $925,679, with a best estimate of $650,695. 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

$571,888 $925,679
Best Estimate
$650,695
WCAD Value
$652,458
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 $571,888 and $925,679 should be treated as a rough guide.

Comparable Properties (5)

4149 PRESIDIO LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,248 sqft Built 2018
Raw Value $479,901
Adjusted Value $650,695

Adjusted +$167,142 for 754 sqft more living space and +$3,652 for being newer. Net adjustment: +$170,794.

3 bed 2 bath 3,097 sqft Built 2000
Raw Value $556,425
Adjusted Value $571,888

Adjusted -$21,059 for 95 sqft less living space and +$36,522 for being newer. Net adjustment: +$15,463.

3 bed 2 bath 2,221 sqft Built 2014
Raw Value $741,595
Adjusted Value $925,679

Adjusted +$173,127 for 781 sqft more living space and +$10,957 for being newer. Net adjustment: +$184,084.

4 bed 2 bath 3,110 sqft Built 2000
Raw Value $572,254
Adjusted Value $584,835

Adjusted -$23,941 for 108 sqft less living space and +$36,522 for being newer. Net adjustment: +$12,581.

3601 BAINBRIDGE ST, ROUND ROCK, TX 78681
0.00 mi 92% similar Same subdivision
4 bed 3 bath 1,916 sqft Built 2016
Raw Value $578,786
Adjusted Value $826,827

Adjusted +$240,737 for 1,086 sqft more living space and +$7,304 for being newer. Net adjustment: +$248,041.

The Neighborhood

This home is valued 24.7% 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
$652,458
Median
$523,371

This home is +24.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $13,482 across all districts. With a homestead exemption claimed, that drops to $11,890 — saving $1,592 per year. That's $991 per month a buyer should budget. The assessed value increased +1.8% vs the subdivision average of -9.3%. This above-average increase gives a protest opportunity score of 50 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Georgetown ISDSchool1.0506%$6,855
Highlands at Mayfield Ranch MUDMUD0.4850%$3,164
Williamson CountyCounty0.3694%$2,410
Williamson County ESD #9 - Round RockESD0.0999%$652
Williamson County FM/RdCounty0.0443%$289
Upper Brushy Creek WCIDWater0.0170%$111
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0663%$13,482
50 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $650,695 would pay approximately $4,062 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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