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3925 VALLARTA LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,992 sqftBuilt 2006

Property at a Glance

This home is estimated between $308,685 and $748,170, with a best estimate of $379,864. 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

$308,685 $748,170
Best Estimate
$379,864
WCAD Value
$682,440
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 $308,685 and $748,170. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3929 VALLARTA LN, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 2 bath 1,467 sqft Built 2006
Raw Value $601,806
Adjusted Value $748,170

Adjusted +$146,364 for 525 sqft more living space. Net adjustment: +$146,364.

3933 VALLARTA LN, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 2 bath 1,917 sqft Built 2006
Raw Value $626,336
Adjusted Value $647,245

Adjusted +$20,909 for 75 sqft more living space. Net adjustment: +$20,909.

3917 VALLARTA LN, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 2 bath 2,852 sqft Built 2006
Raw Value $548,443
Adjusted Value $308,685

Adjusted -$239,758 for 860 sqft less living space. Net adjustment: -$239,758.

3930 VALLARTA LN, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
3 bed 2 bath 2,200 sqft Built 2005
Raw Value $437,581
Adjusted Value $379,864

Adjusted -$57,988 for 208 sqft less living space and +$271 for being newer. Net adjustment: -$57,717.

3937 VALLARTA LN, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
4 bed 2 bath 2,900 sqft Built 2005
Raw Value $575,478
Adjusted Value $322,609

Adjusted -$253,140 for 908 sqft less living space and +$271 for being newer. Net adjustment: -$252,869.

The Neighborhood

This home is valued 33.6% 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
$682,440
Median
$510,992

This home is +33.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $12,279 across all districts. With a homestead exemption claimed, that drops to $10,903 — saving $1,376 per year. That's $909 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%$6,095
Round RockCity0.3720%$2,539
Williamson CountyCounty0.3694%$2,521
Austin Community Collegespecial0.1034%$706
Williamson County FM/RdCounty0.0443%$303
Upper Brushy Creek WCIDWater0.0170%$116
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$12,279

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $379,864 would pay approximately $2,371 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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