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3905 VALLARTA LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath2,893 sqftBuilt 2006

Property at a Glance

This home is estimated between $452,776 and $565,782, with a best estimate of $526,549. That places the property above the L498506D - VILLAGE AT MAYFIELD median of $510,992, in a neighborhood that declined 5.8% over the past year.

Estimated Value Range

$452,776 $565,782
Best Estimate
$526,549
WCAD Value
$578,265
High Confidence

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

Based on 5 comparable properties in L498506D - VILLAGE AT MAYFIELD, this home's estimated market value is between $452,776 and $565,782. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3901 VALLARTA LN, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
3 bed 2 bath 3,031 sqft Built 2004
Raw Value $603,714
Adjusted Value $565,782

Adjusted -$38,473 for 138 sqft less living space and +$541 for being newer. Net adjustment: -$37,932.

3917 VALLARTA LN, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
4 bed 2 bath 2,852 sqft Built 2006
Raw Value $548,443
Adjusted Value $559,873

Adjusted +$11,430 for 41 sqft more living space. Net adjustment: +$11,430.

3800 OCTAVIA LN, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
3 bed 2 bath 2,910 sqft Built 2004
Raw Value $526,074
Adjusted Value $521,876

Adjusted -$4,739 for 17 sqft less living space and +$541 for being newer. Net adjustment: -$4,198.

3921 VALLARTA LN, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
3 bed 2 bath 3,449 sqft Built 2004
Raw Value $607,242
Adjusted Value $452,776

Adjusted -$155,007 for 556 sqft less living space and +$541 for being newer. Net adjustment: -$154,466.

3801 OCTAVIA LN, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
4 bed 2 bath 3,008 sqft Built 2004
Raw Value $558,069
Adjusted Value $526,549

Adjusted -$32,061 for 115 sqft less living space and +$541 for being newer. Net adjustment: -$31,520.

The Neighborhood

This home is valued 13.2% above the L498506D - VILLAGE AT MAYFIELD median of $510,992. With 696 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 5.8% over the past year.

L498506D - VILLAGE AT MAYFIELD

typical
696 Properties
$510,992 Median Value
-5.8% YoY Change
1% Have Pool
100% Have Garage
This Home
$578,265
Median
$510,992

This home is +13.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,405 across all districts. With a homestead exemption claimed, that drops to $9,047 — saving $1,358 per year. That's $754 per month a buyer should budget. The assessed value increased +0.4% vs the subdivision average of -5.8%. 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
Round Rock ISDSchool0.8931%$5,164
Round RockCity0.3720%$2,151
Williamson CountyCounty0.3694%$2,136
Austin Community Collegespecial0.1034%$598
Williamson County FM/RdCounty0.0443%$256
Upper Brushy Creek WCIDWater0.0170%$98
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$10,405
31 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $526,549 would pay approximately $3,287 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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