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3804 SAPPHIRE CT, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath2,324 sqftBuilt 2007

Property at a Glance

This home is estimated between $410,064 and $788,811, with a best estimate of $701,029. 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

$410,064 $788,811
Best Estimate
$701,029
WCAD Value
$705,686
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 $410,064 and $788,811. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3824 SAPPHIRE CT, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
5 bed 4 bath 2,445 sqft Built 2008
Raw Value $740,109
Adjusted Value $701,029

Adjusted -$37,083 for 121 sqft less living space and -$1,997 for being older. Net adjustment: -$39,080.

3803 SAPPHIRE CT, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 3 bath 1,667 sqft Built 2010
Raw Value $593,453
Adjusted Value $788,811

Adjusted +$201,350 for 657 sqft more living space and -$5,992 for being older. Net adjustment: +$195,358.

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 $410,064

Adjusted -$152,315 for 497 sqft less living space. Net adjustment: -$152,315.

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 $487,499

Adjusted -$4,291 for 14 sqft less living space and -$3,995 for being older. Net adjustment: -$8,286.

4008 SAPPHIRE LOOP, ROUND ROCK, TX 78681
0.13 mi 100% similar Same subdivision
4 bed 2 bath 1,880 sqft Built 2009
Raw Value $635,228
Adjusted Value $767,305

Adjusted +$136,072 for 444 sqft more living space and -$3,995 for being older. Net adjustment: +$132,077.

The Neighborhood

This home is valued 13.2% above the L495414C - BORHO/MAYFIELD RANCH/SAPPHIRE LOOP median of $623,673. With 427 homes in the subdivision, the property sits in the upper tier. 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
$705,686
Median
$623,673

This home is +13.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $14,065 across all districts. With a homestead exemption claimed, that drops to $12,413 — saving $1,652 per year. That's $1,034 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%$7,670
Round RockCity0.3720%$2,625
Williamson CountyCounty0.3694%$2,607
Austin Community Collegespecial0.1034%$730
Williamson County FM/RdCounty0.0443%$313
Upper Brushy Creek WCIDWater0.0170%$120
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9931%$14,065

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $701,029 would pay approximately $4,376 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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