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3805 CREST LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath2,733 sqftBuilt 2005

Property at a Glance

This home is estimated between $541,383 and $968,168, with a best estimate of $777,327. 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

$541,383 $968,168
Best Estimate
$777,327
WCAD Value
$544,195
Medium Confidence

Based on 5 comparable properties(4 in the same subdivision)

Based on 5 comparable properties (4 in the same subdivision, 1 nearby), the estimated range is $541,383 and $968,168. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

4 bed 3 bath 2,546 sqft Built 2001
Raw Value $914,951
Adjusted Value $968,168

Adjusted +$52,134 for 187 sqft more living space and +$1,083 for being newer. Net adjustment: +$53,217.

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 $777,157

Adjusted +$166,437 for 597 sqft more living space. Net adjustment: +$166,437.

3817 CREST LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
5 bed 4 bath 2,251 sqft Built 2005
Raw Value $642,951
Adjusted Value $777,327

Adjusted +$134,376 for 482 sqft more living space. Net adjustment: +$134,376.

3840 CREST LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,548 sqft Built 2006
Raw Value $490,078
Adjusted Value $541,383

Adjusted +$51,576 for 185 sqft more living space and -$271 for being older. Net adjustment: +$51,305.

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 $915,059

Adjusted +$226,655 for 813 sqft more living space and -$271 for being older. Net adjustment: +$226,384.

The Neighborhood

This home is valued 6.5% 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
$544,195
Median
$510,992

This home is +6.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,846 across all districts. With a homestead exemption claimed, that drops to $9,224 — saving $1,622 per year. That's $769 per month a buyer should budget. The assessed value increased +6.2% vs the subdivision average of -5.8%. This above-average increase gives a protest opportunity score of 65 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Leander ISDSchool1.0869%$5,915
Round RockCity0.3720%$2,024
Williamson CountyCounty0.3694%$2,011
Austin Community Collegespecial0.1034%$563
Williamson County FM/RdCounty0.0443%$241
Upper Brushy Creek WCIDWater0.0170%$93
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9931%$10,846
65 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $777,327 would pay approximately $4,852 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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