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3804 SIR NOAH TUCKER DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath2,862 sqftBuilt 2021

Property at a Glance

This home is estimated between $513,417 and $931,181, with a best estimate of $625,496. 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

$513,417 $931,181
Best Estimate
$625,496
WCAD Value
$630,675
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 $513,417 and $931,181 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 $551,369

Adjusted -$76,256 for 344 sqft less living space and +$9,130 for being newer. Net adjustment: -$67,126.

4 bed 3 bath 3,156 sqft Built 2000
Raw Value $821,031
Adjusted Value $794,207

Adjusted -$65,172 for 294 sqft less living space and +$38,348 for being newer. Net adjustment: -$26,824.

4 bed 3 bath 2,356 sqft Built 2000
Raw Value $474,981
Adjusted Value $625,496

Adjusted +$112,167 for 506 sqft more living space and +$38,348 for being newer. Net adjustment: +$150,515.

4 bed 3 bath 2,340 sqft Built 2000
Raw Value $777,120
Adjusted Value $931,181

Adjusted +$115,713 for 522 sqft more living space and +$38,348 for being newer. Net adjustment: +$154,061.

4 bed 2 bath 2,948 sqft Built 1999
Raw Value $492,307
Adjusted Value $513,417

Adjusted -$19,064 for 86 sqft less living space and +$40,174 for being newer. Net adjustment: +$21,110.

The Neighborhood

This home is valued 20.5% 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
$630,675
Median
$523,371

This home is +20.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $13,032 across all districts. With a homestead exemption claimed, that drops to $11,444 — saving $1,588 per year. That's $954 per month a buyer should budget. The assessed value increased -2.5% vs the subdivision average of -9.3%. This above-average increase gives a protest opportunity score of 34 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Georgetown ISDSchool1.0506%$6,626
Highlands at Mayfield Ranch MUDMUD0.4850%$3,059
Williamson CountyCounty0.3694%$2,330
Williamson County ESD #9 - Round RockESD0.0999%$630
Williamson County FM/RdCounty0.0443%$280
Upper Brushy Creek WCIDWater0.0170%$107
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0663%$13,032
34 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $625,496 would pay approximately $3,904 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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