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3929 VALLARTA LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,467 sqftBuilt 2006

Property at a Glance

This home is estimated between $481,369 and $536,076, with a best estimate of $486,711. 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

$481,369 $536,076
Best Estimate
$486,711
WCAD Value
$601,806
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 $481,369 and $536,076. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

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 $500,881

Adjusted -$125,455 for 450 sqft less living space. Net adjustment: -$125,455.

3925 VALLARTA LN, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 2 bath 1,992 sqft Built 2006
Raw Value $682,440
Adjusted Value $536,076

Adjusted -$146,364 for 525 sqft less living space. Net adjustment: -$146,364.

3934 VALLARTA LN, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 2 bath 1,740 sqft Built 2006
Raw Value $562,820
Adjusted Value $486,711

Adjusted -$76,109 for 273 sqft less living space. Net adjustment: -$76,109.

3941 VALLARTA LN, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 2 bath 1,740 sqft Built 2006
Raw Value $557,478
Adjusted Value $481,369

Adjusted -$76,109 for 273 sqft less living space. Net adjustment: -$76,109.

3938 VALLARTA LN, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
4 bed 2 bath 1,863 sqft Built 2007
Raw Value $593,582
Adjusted Value $482,911

Adjusted -$110,400 for 396 sqft less living space and -$271 for being older. Net adjustment: -$110,671.

The Neighborhood

This home is valued 17.8% 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
$601,806
Median
$510,992

This home is +17.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,828 across all districts. With a homestead exemption claimed, that drops to $9,467 — saving $1,361 per year. That's $789 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%$5,375
Round RockCity0.3720%$2,239
Williamson CountyCounty0.3694%$2,223
Austin Community Collegespecial0.1034%$622
Williamson County FM/RdCounty0.0443%$267
Upper Brushy Creek WCIDWater0.0170%$102
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$10,828

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $486,711 would pay approximately $3,038 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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