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3938 VALLARTA LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,863 sqftBuilt 2007

Property at a Glance

This home is estimated between $340,323 and $768,779, with a best estimate of $597,382. 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

$340,323 $768,779
Best Estimate
$597,382
WCAD Value
$593,582
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 $340,323 and $768,779. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3934 VALLARTA LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,740 sqft Built 2006
Raw Value $562,820
Adjusted Value $597,382

Adjusted +$34,291 for 123 sqft more living space and +$271 for being newer. Net adjustment: +$34,562.

3942 VALLARTA LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,943 sqft Built 2006
Raw Value $644,675
Adjusted Value $622,643

Adjusted -$22,303 for 80 sqft less living space and +$271 for being newer. Net adjustment: -$22,032.

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 $344,170

Adjusted -$93,952 for 337 sqft less living space and +$541 for being newer. Net adjustment: -$93,411.

3946 VALLARTA LN, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
3 bed 2 bath 2,328 sqft Built 2006
Raw Value $469,689
Adjusted Value $340,323

Adjusted -$129,637 for 465 sqft less living space and +$271 for being newer. Net adjustment: -$129,366.

3949 VALLARTA LN, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,499 sqft Built 2006
Raw Value $667,029
Adjusted Value $768,779

Adjusted +$101,479 for 364 sqft more living space and +$271 for being newer. Net adjustment: +$101,750.

The Neighborhood

This home is valued 16.2% 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
$593,582
Median
$510,992

This home is +16.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,680 across all districts. With a homestead exemption claimed, that drops to $9,320 — saving $1,360 per year. That's $777 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%$5,301
Round RockCity0.3720%$2,208
Williamson CountyCounty0.3694%$2,193
Austin Community Collegespecial0.1034%$614
Williamson County FM/RdCounty0.0443%$263
Upper Brushy Creek WCIDWater0.0170%$101
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$10,680

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $597,382 would pay approximately $3,729 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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