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3666 SPRING CANYON TRL, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,494 sqftBuilt 2002

Property at a Glance

This home is estimated between $289,040 and $496,198, with a best estimate of $323,121. 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

$289,040 $496,198
Best Estimate
$323,121
WCAD Value
$297,837
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 $289,040 and $496,198. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3629 SPRING CANYON TRL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,725 sqft Built 2003
Raw Value $334,664
Adjusted Value $289,040

Adjusted -$47,025 for 231 sqft less living space and +$1,401 for being newer. Net adjustment: -$45,624.

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 $496,198

Adjusted +$112,780 for 554 sqft more living space and +$1,401 for being newer. Net adjustment: +$114,181.

3623 SPRING CANYON TRL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,723 sqft Built 2003
Raw Value $362,212
Adjusted Value $316,995

Adjusted -$46,618 for 229 sqft less living space and +$1,401 for being newer. Net adjustment: -$45,217.

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 $443,982

Adjusted +$71,454 for 351 sqft more living space. Net adjustment: +$71,454.

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 $323,121

Adjusted -$37,865 for 186 sqft less living space. Net adjustment: -$37,865.

The Neighborhood

This home is valued 19.1% 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

below average
1,045 Properties
$368,194 Median Value
-10.9% YoY Change
1% Have Pool
99% Have Garage
This Home
$297,837
Median
$368,194

This home is -19.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,359 across all districts. With a homestead exemption claimed, that drops to $4,054 — saving $1,305 per year. That's $338 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%$2,660
Round RockCity0.3720%$1,108
Williamson CountyCounty0.3694%$1,100
Austin Community Collegespecial0.1034%$308
Williamson County FM/RdCounty0.0443%$132
Upper Brushy Creek WCIDWater0.0170%$51
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,359

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $323,121 would pay approximately $2,017 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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