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3808 SAPPHIRE CT, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath2,890 sqftBuilt 2008

Property at a Glance

This home is estimated between $585,522 and $669,379, with a best estimate of $654,640. That places the property above the L495414C - BORHO/MAYFIELD RANCH/SAPPHIRE LOOP median of $623,673, in a neighborhood that declined 8.0% over the past year.

Estimated Value Range

$585,522 $669,379
Best Estimate
$654,640
WCAD Value
$562,485
High Confidence

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

Based on 5 comparable properties in L495414C - BORHO/MAYFIELD RANCH/SAPPHIRE LOOP, this home's estimated market value is between $585,522 and $669,379. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3807 SAPPHIRE CT, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
3 bed 2 bath 2,821 sqft Built 2007
Raw Value $562,379
Adjusted Value $585,522

Adjusted +$21,146 for 69 sqft more living space and +$1,997 for being newer. Net adjustment: +$23,143.

4012 SAPPHIRE LOOP, ROUND ROCK, TX 78681
0.12 mi 100% similar Same subdivision
3 bed 2 bath 2,338 sqft Built 2009
Raw Value $495,785
Adjusted Value $662,959

Adjusted +$169,171 for 552 sqft more living space and -$1,997 for being older. Net adjustment: +$167,174.

4000 SAPPHIRE LOOP, ROUND ROCK, TX 78681
0.15 mi 100% similar Same subdivision
3 bed 2 bath 2,366 sqft Built 2007
Raw Value $492,054
Adjusted Value $654,640

Adjusted +$160,589 for 524 sqft more living space and +$1,997 for being newer. Net adjustment: +$162,586.

3996 SAPPHIRE LOOP, ROUND ROCK, TX 78681
0.16 mi 100% similar Same subdivision
3 bed 2 bath 2,279 sqft Built 2009
Raw Value $484,124
Adjusted Value $669,379

Adjusted +$187,252 for 611 sqft more living space and -$1,997 for being older. Net adjustment: +$185,255.

3984 SAPPHIRE LOOP, ROUND ROCK, TX 78681
0.21 mi 100% similar Same subdivision
3 bed 2 bath 2,676 sqft Built 2008
Raw Value $532,893
Adjusted Value $598,477

Adjusted +$65,584 for 214 sqft more living space. Net adjustment: +$65,584.

The Neighborhood

This home is valued 9.8% below the L495414C - BORHO/MAYFIELD RANCH/SAPPHIRE LOOP median of $623,673. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 8.0% over the past year.

L495414C - BORHO/MAYFIELD RANCH/SAPPHIRE LOOP

typical
427 Properties
$623,673 Median Value
-8.0% YoY Change
1% Have Pool
100% Have Garage
This Home
$562,485
Median
$623,673

This home is -9.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $11,211 across all districts. With a homestead exemption claimed, that drops to $9,585 — saving $1,626 per year. That's $799 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%$6,114
Round RockCity0.3720%$2,092
Williamson CountyCounty0.3694%$2,078
Austin Community Collegespecial0.1034%$582
Williamson County FM/RdCounty0.0443%$249
Upper Brushy Creek WCIDWater0.0170%$96
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9931%$11,211

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $654,640 would pay approximately $4,086 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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