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4008 MAYFIELD CAVE TRL, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath2,346 sqftBuilt 2000

Property at a Glance

This home is estimated between $398,894 and $475,058, with a best estimate of $465,574. That places the property above the R107503F - PRESERVE AT STONE OAK - PH 3 & 4 median of $368,194, in a neighborhood that declined 10.9% over the past year.

Estimated Value Range

$398,894 $475,058
Best Estimate
$465,574
WCAD Value
$382,170
High Confidence

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

Based on 5 comparable properties in R107503F - PRESERVE AT STONE OAK - PH 3 & 4, this home's estimated market value is between $398,894 and $475,058. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4007 MAYFIELD CAVE TRL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,208 sqft Built 2000
Raw Value $370,801
Adjusted Value $398,894

Adjusted +$28,093 for 138 sqft more living space. Net adjustment: +$28,093.

4017 MAYFIELD CAVE TRL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,208 sqft Built 2006
Raw Value $383,987
Adjusted Value $420,485

Adjusted +$28,093 for 138 sqft more living space and +$8,405 for being newer. Net adjustment: +$36,498.

4003 MAYFIELD CAVE TRL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,455 sqft Built 2000
Raw Value $293,674
Adjusted Value $475,058

Adjusted +$181,384 for 891 sqft more living space. Net adjustment: +$181,384.

4001 MAYFIELD CAVE TRL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,682 sqft Built 2000
Raw Value $330,806
Adjusted Value $465,979

Adjusted +$135,173 for 664 sqft more living space. Net adjustment: +$135,173.

4000 MAYFIELD CAVE TRL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,713 sqft Built 2000
Raw Value $336,712
Adjusted Value $465,574

Adjusted +$128,862 for 633 sqft more living space. Net adjustment: +$128,862.

The Neighborhood

This home is valued 3.8% above the R107503F - PRESERVE AT STONE OAK - PH 3 & 4 median of $368,194. With 1,045 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 10.9% over the past year.

R107503F - PRESERVE AT STONE OAK - PH 3 & 4

typical
1,045 Properties
$368,194 Median Value
-10.9% YoY Change
1% Have Pool
99% Have Garage
This Home
$382,170
Median
$368,194

This home is +3.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,876 across all districts. With a homestead exemption claimed, that drops to $5,555 — saving $1,321 per year. That's $463 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
Round Rock ISDSchool0.8931%$3,413
Round RockCity0.3720%$1,422
Williamson CountyCounty0.3694%$1,412
Austin Community Collegespecial0.1034%$395
Williamson County FM/RdCounty0.0443%$169
Upper Brushy Creek WCIDWater0.0170%$65
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,876

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $465,574 would pay approximately $2,906 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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