3908 SAPPHIRE LOOP, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $442,928 and $677,761, with a best estimate of $551,206. 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
$551,206
$480,787
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 $442,928 and $677,761. More comparables in the same subdivision would strengthen this estimate.
Comparable Properties (5)
Adjusted -$49,954 for 163 sqft less living space and -$1,997 for being older. Net adjustment: -$51,951.
Adjusted +$46,890 for 153 sqft more living space and -$7,990 for being older. Net adjustment: +$38,900.
Adjusted +$49,954 for 163 sqft more living space and +$5,992 for being newer. Net adjustment: +$55,946.
Adjusted -$48,728 for 159 sqft less living space. Net adjustment: -$48,728.
Adjusted -$42,293 for 138 sqft less living space and -$7,990 for being older. Net adjustment: -$50,283.
The Neighborhood
This home is valued 22.9% 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 -22.9% below the subdivision median.
Tax Analysis
The estimated annual property tax is $9,582 across all districts. With a homestead exemption claimed, that drops to $7,972 — saving $1,610 per year. That's $664 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% | $5,226 |
| Round Rock | City | 0.3720% | $1,789 |
| Williamson County | County | 0.3694% | $1,776 |
| Austin Community College | special | 0.1034% | $497 |
| Williamson County FM/Rd | County | 0.0443% | $213 |
| Upper Brushy Creek WCID | Water | 0.0170% | $82 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.9931% | $9,582 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $551,206 would pay approximately $3,441 per month (principal and interest only, excluding taxes and insurance).