3905 SAPPHIRE LOOP, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $442,643 and $787,577, with a best estimate of $653,853. 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
$653,853
$524,114
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 $442,643 and $787,577. More comparables in the same subdivision would strengthen this estimate.
Comparable Properties (5)
Adjusted -$58,229 for 190 sqft less living space and +$5,992 for being newer. Net adjustment: -$52,237.
Adjusted +$38,615 for 126 sqft more living space. Net adjustment: +$38,615.
Adjusted +$100,522 for 328 sqft more living space. Net adjustment: +$100,522.
Adjusted +$41,680 for 136 sqft more living space and +$13,982 for being newer. Net adjustment: +$55,662.
Adjusted -$57,003 for 186 sqft less living space and +$7,990 for being newer. Net adjustment: -$49,013.
The Neighborhood
This home is valued 16.0% 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 averageThis home is -16.0% below the subdivision median.
Tax Analysis
The estimated annual property tax is $10,446 across all districts. With a homestead exemption claimed, that drops to $8,828 — saving $1,618 per year. That's $736 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% | $5,697 |
| Round Rock | City | 0.3720% | $1,950 |
| Williamson County | County | 0.3694% | $1,936 |
| Austin Community College | special | 0.1034% | $542 |
| Williamson County FM/Rd | County | 0.0443% | $232 |
| Upper Brushy Creek WCID | Water | 0.0170% | $89 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.9931% | $10,446 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $653,853 would pay approximately $4,081 per month (principal and interest only, excluding taxes and insurance).