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

3638 SPRING CANYON TRL, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,124 sqftBuilt 2003

Property at a Glance

This home is estimated between $221,114 and $419,474, with a best estimate of $367,259. That places the property below 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

$221,114 $419,474
Best Estimate
$367,259
WCAD Value
$373,642
High Confidence

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

Based on 5 comparable properties in R107503F - PRESERVE AT STONE OAK - PH 3 & 4, this home's estimated market value is between $221,114 and $419,474. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3666 SPRING CANYON TRL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,494 sqft Built 2002
Raw Value $297,837
Adjusted Value $221,114

Adjusted -$75,322 for 370 sqft less living space and -$1,401 for being older. Net adjustment: -$76,723.

3628 SPRING CANYON TRL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 940 sqft Built 2003
Raw Value $382,017
Adjusted Value $419,474

Adjusted +$37,457 for 184 sqft more living space. Net adjustment: +$37,457.

3606 SPRING CANYON TRL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,143 sqft Built 2002
Raw Value $372,528
Adjusted Value $367,259

Adjusted -$3,868 for 19 sqft less living space and -$1,401 for being older. Net adjustment: -$5,269.

3670 SPRING CANYON TRL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,680 sqft Built 2002
Raw Value $360,986
Adjusted Value $246,398

Adjusted -$113,187 for 556 sqft less living space and -$1,401 for being older. Net adjustment: -$114,588.

3611 SPRING CANYON TRL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 917 sqft Built 2002
Raw Value $369,370
Adjusted Value $410,109

Adjusted +$42,140 for 207 sqft more living space and -$1,401 for being older. Net adjustment: +$40,739.

The Neighborhood

This home is valued 1.5% above the R107503F - PRESERVE AT STONE OAK - PH 3 & 4 median of $368,194. With 1,045 homes in the subdivision, the property sits in the upper tier. 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
$373,642
Median
$368,194

This home is +1.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,723 across all districts. With a homestead exemption claimed, that drops to $5,403 — saving $1,320 per year. That's $450 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%$3,337
Round RockCity0.3720%$1,390
Williamson CountyCounty0.3694%$1,380
Austin Community Collegespecial0.1034%$386
Williamson County FM/RdCounty0.0443%$166
Upper Brushy Creek WCIDWater0.0170%$64
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,723

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $367,259 would pay approximately $2,292 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