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3800 KYLER GLEN RD, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

5 bed3 bath2,948 sqftBuilt 2019

Property at a Glance

This home is estimated between $528,829 and $1,004,413, with a best estimate of $640,908. 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

$528,829 $1,004,413
Best Estimate
$640,908
WCAD Value
$644,398
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 $528,829 and $1,004,413 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 $566,781

Adjusted -$57,192 for 258 sqft less living space and +$5,478 for being newer. Net adjustment: -$51,714.

4 bed 3 bath 3,156 sqft Built 2000
Raw Value $821,031
Adjusted Value $809,619

Adjusted -$46,108 for 208 sqft less living space and +$34,696 for being newer. Net adjustment: -$11,412.

4 bed 2 bath 2,948 sqft Built 1999
Raw Value $492,307
Adjusted Value $528,829

Adjusted +$36,522 for being newer. Net adjustment: +$36,522.

4 bed 4 bath 3,980 sqft Built 2016
Raw Value $1,227,702
Adjusted Value $1,004,413

Adjusted -$228,767 for 1,032 sqft less living space and +$5,478 for being newer. Net adjustment: -$223,289.

4 bed 3 bath 2,356 sqft Built 2000
Raw Value $474,981
Adjusted Value $640,908

Adjusted +$131,231 for 592 sqft more living space and +$34,696 for being newer. Net adjustment: +$165,927.

The Neighborhood

This home is valued 23.1% 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
$644,398
Median
$523,371

This home is +23.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $13,315 across all districts. With a homestead exemption claimed, that drops to $11,725 — saving $1,590 per year. That's $977 per month a buyer should budget. The assessed value increased -3.2% vs the subdivision average of -9.3%. This above-average increase gives a protest opportunity score of 31 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Georgetown ISDSchool1.0506%$6,770
Highlands at Mayfield Ranch MUDMUD0.4850%$3,125
Williamson CountyCounty0.3694%$2,381
Williamson County ESD #9 - Round RockESD0.0999%$644
Williamson County FM/RdCounty0.0443%$286
Upper Brushy Creek WCIDWater0.0170%$110
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0663%$13,315
31 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $640,908 would pay approximately $4,001 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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