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3821 CREST LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath1,452 sqftBuilt 2005

Property at a Glance

This home is estimated between $293,112 and $584,112, with a best estimate of $555,345. 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

$293,112 $584,112
Best Estimate
$555,345
WCAD Value
$575,069
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 $293,112 and $584,112. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3813 CREST LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2,136 sqft Built 2005
Raw Value $610,720
Adjusted Value $420,028

Adjusted -$190,692 for 684 sqft less living space. Net adjustment: -$190,692.

3836 CREST LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,469 sqft Built 2006
Raw Value $589,122
Adjusted Value $584,112

Adjusted -$4,739 for 17 sqft less living space and -$271 for being older. Net adjustment: -$5,010.

3829 CREST LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
5 bed 4 bath 1,869 sqft Built 2005
Raw Value $671,600
Adjusted Value $555,345

Adjusted -$116,255 for 417 sqft less living space. Net adjustment: -$116,255.

3804 CREST LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,920 sqft Built 2006
Raw Value $688,675
Adjusted Value $557,931

Adjusted -$130,473 for 468 sqft less living space and -$271 for being older. Net adjustment: -$130,744.

3809 CREST LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,361 sqft Built 2005
Raw Value $546,531
Adjusted Value $293,112

Adjusted -$253,419 for 909 sqft less living space. Net adjustment: -$253,419.

The Neighborhood

This home is valued 12.5% 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
$575,069
Median
$510,992

This home is +12.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $11,462 across all districts. With a homestead exemption claimed, that drops to $9,834 — saving $1,628 per year. That's $820 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
Leander ISDSchool1.0869%$6,250
Round RockCity0.3720%$2,139
Williamson CountyCounty0.3694%$2,125
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 Tax1.9931%$11,462

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $555,345 would pay approximately $3,466 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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