3920 SAPPHIRE LOOP, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $456,768 and $838,144, with a best estimate of $601,487. 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
$601,487
$498,039
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 $456,768 and $838,144. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted -$7,662 for 25 sqft less living space and +$5,992 for being newer. Net adjustment: -$1,670.
Adjusted +$89,182 for 291 sqft more living space. Net adjustment: +$89,182.
Adjusted +$151,089 for 493 sqft more living space. Net adjustment: +$151,089.
Adjusted -$6,436 for 21 sqft less living space and +$7,990 for being newer. Net adjustment: +$1,554.
Adjusted -$111,861 for 365 sqft less living space and +$5,992 for being newer. Net adjustment: -$105,869.
The Neighborhood
This home is valued 20.1% 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 averageThis home is -20.1% below the subdivision median.
Tax Analysis
The estimated annual property tax is $9,926 across all districts. With a homestead exemption claimed, that drops to $8,313 — saving $1,613 per year. That's $693 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
| District | Type | Rate | Annual Amount |
|---|---|---|---|
| Leander ISD | School | 1.0869% | $5,413 |
| Round Rock | City | 0.3720% | $1,853 |
| Williamson County | County | 0.3694% | $1,840 |
| Austin Community College | special | 0.1034% | $515 |
| Williamson County FM/Rd | County | 0.0443% | $221 |
| Upper Brushy Creek WCID | Water | 0.0170% | $85 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.9931% | $9,926 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $601,487 would pay approximately $3,754 per month (principal and interest only, excluding taxes and insurance).