3815 SAPPHIRE LOOP, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $541,591 and $707,356, with a best estimate of $599,078. 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
$599,078
$562,637
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 $541,591 and $707,356. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$104,199 for 340 sqft more living space. Net adjustment: +$104,199.
Adjusted +$105,425 for 344 sqft more living space and +$1,997 for being newer. Net adjustment: +$107,422.
Adjusted +$111,861 for 365 sqft more living space and -$5,992 for being older. Net adjustment: +$105,869.
Adjusted -$106,345 for 347 sqft less living space. Net adjustment: -$106,345.
Adjusted +$2,758 for 9 sqft more living space and +$1,997 for being newer. Net adjustment: +$4,755.
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
typicalThis home is -9.8% below the subdivision median.
Tax Analysis
The estimated annual property tax is $11,214 across all districts. With a homestead exemption claimed, that drops to $9,588 — 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
| District | Type | Rate | Annual Amount |
|---|---|---|---|
| Leander ISD | School | 1.0869% | $6,115 |
| Round Rock | City | 0.3720% | $2,093 |
| Williamson County | County | 0.3694% | $2,079 |
| Austin Community College | special | 0.1034% | $582 |
| Williamson County FM/Rd | County | 0.0443% | $249 |
| Upper Brushy Creek WCID | Water | 0.0170% | $96 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.9931% | $11,214 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $599,078 would pay approximately $3,739 per month (principal and interest only, excluding taxes and insurance).