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3950 STANYAN DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath2,889 sqftBuilt 2020

Property at a Glance

This home is estimated between $546,839 and $900,630, with a best estimate of $788,656. 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

$546,839 $900,630
Best Estimate
$788,656
WCAD Value
$626,213
Medium Confidence

Based on 5 comparable properties(3 in the same subdivision)

Based on 5 comparable properties (3 in the same subdivision, 2 nearby), the estimated range is $546,839 and $900,630. More comparables in the same subdivision would strengthen this estimate.

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 $625,646

Adjusted +$142,093 for 641 sqft more living space and +$3,652 for being newer. Net adjustment: +$145,745.

3 bed 2 bath 3,097 sqft Built 2000
Raw Value $556,425
Adjusted Value $546,839

Adjusted -$46,108 for 208 sqft less living space and +$36,522 for being newer. Net adjustment: -$9,586.

3 bed 2 bath 2,221 sqft Built 2014
Raw Value $741,595
Adjusted Value $900,630

Adjusted +$148,078 for 668 sqft more living space and +$10,957 for being newer. Net adjustment: +$159,035.

3601 BAINBRIDGE ST, ROUND ROCK, TX 78681
0.00 mi 93% similar Same subdivision
4 bed 3 bath 1,916 sqft Built 2016
Raw Value $578,786
Adjusted Value $801,778

Adjusted +$215,688 for 973 sqft more living space and +$7,304 for being newer. Net adjustment: +$222,992.

3736 BAINBRIDGE ST, ROUND ROCK, TX 78681
0.00 mi 92% similar Same subdivision
4 bed 3 bath 1,916 sqft Built 2014
Raw Value $562,011
Adjusted Value $788,656

Adjusted +$215,688 for 973 sqft more living space and +$10,957 for being newer. Net adjustment: +$226,645.

The Neighborhood

This home is valued 19.6% 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
$626,213
Median
$523,371

This home is +19.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $12,939 across all districts. With a homestead exemption claimed, that drops to $11,353 — saving $1,586 per year. That's $946 per month a buyer should budget. The assessed value increased -2.8% vs the subdivision average of -9.3%. This above-average increase gives a protest opportunity score of 33 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Georgetown ISDSchool1.0506%$6,579
Highlands at Mayfield Ranch MUDMUD0.4850%$3,037
Williamson CountyCounty0.3694%$2,314
Williamson County ESD #9 - Round RockESD0.0999%$626
Williamson County FM/RdCounty0.0443%$278
Upper Brushy Creek WCIDWater0.0170%$106
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0663%$12,939
33 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $788,656 would pay approximately $4,923 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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