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3937 VALLARTA LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath2,900 sqftBuilt 2005

Property at a Glance

This home is estimated between $632,733 and $900,115, with a best estimate of $880,602. 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

$632,733 $900,115
Best Estimate
$880,602
WCAD Value
$575,478
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 $632,733 and $900,115. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3933 VALLARTA LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,917 sqft Built 2006
Raw Value $626,336
Adjusted Value $900,115

Adjusted +$274,050 for 983 sqft more living space and -$271 for being older. Net adjustment: +$273,779.

3941 VALLARTA LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,740 sqft Built 2006
Raw Value $557,478
Adjusted Value $880,602

Adjusted +$323,395 for 1,160 sqft more living space and -$271 for being older. Net adjustment: +$323,124.

3945 VALLARTA LN, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 2 bath 2,058 sqft Built 2006
Raw Value $638,711
Adjusted Value $873,180

Adjusted +$234,740 for 842 sqft more living space and -$271 for being older. Net adjustment: +$234,469.

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 $885,944

Adjusted +$323,395 for 1,160 sqft more living space and -$271 for being older. Net adjustment: +$323,124.

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 $632,733

Adjusted +$195,152 for 700 sqft more living space. Net adjustment: +$195,152.

The Neighborhood

This home is valued 12.6% 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

typical
696 Properties
$510,992 Median Value
-5.8% YoY Change
1% Have Pool
100% Have Garage
This Home
$575,478
Median
$510,992

This home is +12.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,354 across all districts. With a homestead exemption claimed, that drops to $8,998 — saving $1,356 per year. That's $750 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%$5,140
Round RockCity0.3720%$2,141
Williamson CountyCounty0.3694%$2,126
Austin Community Collegespecial0.1034%$595
Williamson County FM/RdCounty0.0443%$255
Upper Brushy Creek WCIDWater0.0170%$98
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$10,354

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $880,602 would pay approximately $5,497 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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