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3801 SIR NOAH TUCKER DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath2,776 sqftBuilt 2021

Property at a Glance

This home is estimated between $494,353 and $663,614, with a best estimate of $532,305. 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

$494,353 $663,614
Best Estimate
$532,305
WCAD Value
$575,006
Low Confidence

Based on 5 comparable properties(1 in the same subdivision)

There are 5 comparable properties within range, but few are in G799514C - MAYFIELD RANCH. The estimated range of $494,353 and $663,614 should be treated as a rough guide.

Comparable Properties (5)

3804 KYLER GLEN RD, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 3,206 sqft Built 2016
Raw Value $618,495
Adjusted Value $532,305

Adjusted -$95,320 for 430 sqft less living space and +$9,130 for being newer. Net adjustment: -$86,190.

4 bed 2 bath 2,551 sqft Built 2001
Raw Value $439,376
Adjusted Value $525,774

Adjusted +$49,876 for 225 sqft more living space and +$36,522 for being newer. Net adjustment: +$86,398.

4 bed 2 bath 2,948 sqft Built 1999
Raw Value $492,307
Adjusted Value $494,353

Adjusted -$38,128 for 172 sqft less living space and +$40,174 for being newer. Net adjustment: +$2,046.

4 bed 2 bath 2,492 sqft Built 1996
Raw Value $430,624
Adjusted Value $539,231

Adjusted +$62,955 for 284 sqft more living space and +$45,652 for being newer. Net adjustment: +$108,607.

3 bed 2 bath 1,970 sqft Built 2002
Raw Value $450,249
Adjusted Value $663,614

Adjusted +$178,669 for 806 sqft more living space and +$34,696 for being newer. Net adjustment: +$213,365.

The Neighborhood

This home is valued 9.9% 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

typical
1,093 Properties
$523,371 Median Value
-9.3% YoY Change
1% Have Pool
100% Have Garage
This Home
$575,006
Median
$523,371

This home is +9.9% above the subdivision median.

Tax Analysis

The estimated annual property tax is $11,881 across all districts. With a homestead exemption claimed, that drops to $10,304 — saving $1,577 per year. That's $859 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%$6,041
Highlands at Mayfield Ranch MUDMUD0.4850%$2,789
Williamson CountyCounty0.3694%$2,124
Williamson County ESD #9 - Round RockESD0.0999%$574
Williamson County FM/RdCounty0.0443%$255
Upper Brushy Creek WCIDWater0.0170%$98
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0663%$11,881

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $532,305 would pay approximately $3,323 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 4/19/2026.

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