Beta Williamson County, TX only — data and coverage are limited during early access.

3816 BLUE MOUNTAIN PATH, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,688 sqftBuilt 2003

Property at a Glance

This home is estimated between $391,440 and $553,916, with a best estimate of $399,692. That places the property above the R107503F - PRESERVE AT STONE OAK - PH 3 & 4 median of $368,194, in a neighborhood that declined 10.9% over the past year.

Estimated Value Range

$391,440 $553,916
Best Estimate
$399,692
WCAD Value
$333,363
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R107503F - PRESERVE AT STONE OAK - PH 3 & 4. The estimated range of $391,440 and $553,916 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 1,820 sqft Built 1999
Raw Value $432,167
Adjusted Value $399,692

Adjusted -$26,872 for 132 sqft less living space and -$5,603 for being older. Net adjustment: -$32,475.

3 bed 2 bath 1,970 sqft Built 2002
Raw Value $450,249
Adjusted Value $391,440

Adjusted -$57,408 for 282 sqft less living space and -$1,401 for being older. Net adjustment: -$58,809.

4 bed 2 bath 1,764 sqft Built 1997
Raw Value $422,073
Adjusted Value $398,196

Adjusted -$15,472 for 76 sqft less living space and -$8,405 for being older. Net adjustment: -$23,877.

4 bed 2 bath 1,842 sqft Built 2000
Raw Value $589,468
Adjusted Value $553,916

Adjusted -$31,350 for 154 sqft less living space and -$4,202 for being older. Net adjustment: -$35,552.

4 bed 2 bath 1,368 sqft Built 2005
Raw Value $476,140
Adjusted Value $544,085

Adjusted +$65,143 for 320 sqft more living space and +$2,802 for being newer. Net adjustment: +$67,945.

The Neighborhood

This home is valued 9.5% below the R107503F - PRESERVE AT STONE OAK - PH 3 & 4 median of $368,194. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 10.9% over the past year.

R107503F - PRESERVE AT STONE OAK - PH 3 & 4

typical
1,045 Properties
$368,194 Median Value
-10.9% YoY Change
1% Have Pool
99% Have Garage
This Home
$333,363
Median
$368,194

This home is -9.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,998 across all districts. With a homestead exemption claimed, that drops to $4,686 — saving $1,312 per year. That's $391 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%$2,977
Round RockCity0.3720%$1,240
Williamson CountyCounty0.3694%$1,232
Austin Community Collegespecial0.1034%$345
Williamson County FM/RdCounty0.0443%$148
Upper Brushy Creek WCIDWater0.0170%$57
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,998

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $399,692 would pay approximately $2,495 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.

View full property details