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3821 VALLARTA LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,823 sqftBuilt 2006

Property at a Glance

This home is estimated between $287,642 and $545,701, with a best estimate of $400,168. That places the property below the L498506D - VILLAGE AT MAYFIELD median of $510,992, in a neighborhood that declined 5.8% over the past year.

Estimated Value Range

$287,642 $545,701
Best Estimate
$400,168
WCAD Value
$614,103
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 $287,642 and $545,701. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3825 VALLARTA LN, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
3 bed 2 bath 2,463 sqft Built 2004
Raw Value $465,526
Adjusted Value $287,642

Adjusted -$178,425 for 640 sqft less living space and +$541 for being newer. Net adjustment: -$177,884.

3817 VALLARTA LN, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,821 sqft Built 2004
Raw Value $399,069
Adjusted Value $400,168

Adjusted +$558 for 2 sqft more living space and +$541 for being newer. Net adjustment: +$1,099.

3829 VALLARTA LN, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
4 bed 3 bath 1,905 sqft Built 2005
Raw Value $496,996
Adjusted Value $474,406

Adjusted -$22,861 for 82 sqft less living space and +$271 for being newer. Net adjustment: -$22,590.

3813 VALLARTA LN, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,802 sqft Built 2004
Raw Value $393,739
Adjusted Value $400,135

Adjusted +$5,855 for 21 sqft more living space and +$541 for being newer. Net adjustment: +$6,396.

3809 VALLARTA LN, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,642 sqft Built 2006
Raw Value $495,240
Adjusted Value $545,701

Adjusted +$50,461 for 181 sqft more living space. Net adjustment: +$50,461.

The Neighborhood

This home is valued 20.2% 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

above average
696 Properties
$510,992 Median Value
-5.8% YoY Change
1% Have Pool
100% Have Garage
This Home
$614,103
Median
$510,992

This home is +20.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $11,049 across all districts. With a homestead exemption claimed, that drops to $9,686 — saving $1,363 per year. That's $807 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%$5,485
Round RockCity0.3720%$2,284
Williamson CountyCounty0.3694%$2,269
Austin Community Collegespecial0.1034%$635
Williamson County FM/RdCounty0.0443%$272
Upper Brushy Creek WCIDWater0.0170%$104
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$11,049

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $400,168 would pay approximately $2,498 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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