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3932 SAPPHIRE LOOP, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath2,366 sqftBuilt 2006

Property at a Glance

This home is estimated between $443,382 and $678,215, with a best estimate of $551,659. That places the property below 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

$443,382 $678,215
Best Estimate
$551,659
WCAD Value
$492,418
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 $443,382 and $678,215. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

3912 SAPPHIRE LOOP, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,521 sqft Built 2008
Raw Value $603,157
Adjusted Value $551,659

Adjusted -$47,503 for 155 sqft less living space and -$3,995 for being older. Net adjustment: -$51,498.

3917 SAPPHIRE LOOP, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,205 sqft Built 2011
Raw Value $638,861
Adjusted Value $678,215

Adjusted +$49,341 for 161 sqft more living space and -$9,987 for being older. Net adjustment: +$39,354.

3 bed 2 bath 2,195 sqft Built 2004
Raw Value $598,191
Adjusted Value $654,592

Adjusted +$52,406 for 171 sqft more living space and +$3,995 for being newer. Net adjustment: +$56,401.

3929 SAPPHIRE LOOP, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,517 sqft Built 2007
Raw Value $491,656
Adjusted Value $443,382

Adjusted -$46,277 for 151 sqft less living space and -$1,997 for being older. Net adjustment: -$48,274.

3920 SAPPHIRE LOOP, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,496 sqft Built 2011
Raw Value $498,039
Adjusted Value $448,211

Adjusted -$39,841 for 130 sqft less living space and -$9,987 for being older. Net adjustment: -$49,828.

The Neighborhood

This home is valued 21.0% 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

below average
427 Properties
$623,673 Median Value
-8.0% YoY Change
1% Have Pool
100% Have Garage
This Home
$492,418
Median
$623,673

This home is -21.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,814 across all districts. With a homestead exemption claimed, that drops to $8,202 — saving $1,612 per year. That's $684 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%$5,352
Round RockCity0.3720%$1,832
Williamson CountyCounty0.3694%$1,819
Austin Community Collegespecial0.1034%$509
Williamson County FM/RdCounty0.0443%$218
Upper Brushy Creek WCIDWater0.0170%$84
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9931%$9,814

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $551,659 would pay approximately $3,443 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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