4100 SAPPHIRE LOOP, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $536,836 and $702,601, with a best estimate of $594,323. 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
$594,323
$559,535
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 $536,836 and $702,601. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$101,441 for 331 sqft more living space and -$1,997 for being older. Net adjustment: +$99,444.
Adjusted +$102,667 for 335 sqft more living space. Net adjustment: +$102,667.
Adjusted +$109,103 for 356 sqft more living space and -$7,990 for being older. Net adjustment: +$101,113.
Adjusted -$2,758 for 9 sqft less living space and -$1,997 for being older. Net adjustment: -$4,755.
Adjusted -$109,103 for 356 sqft less living space and -$1,997 for being older. Net adjustment: -$111,100.
The Neighborhood
This home is valued 10.3% 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 -10.3% below the subdivision median.
Tax Analysis
The estimated annual property tax is $11,152 across all districts. With a homestead exemption claimed, that drops to $9,527 — saving $1,625 per year. That's $794 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% | $6,082 |
| Round Rock | City | 0.3720% | $2,081 |
| Williamson County | County | 0.3694% | $2,067 |
| Austin Community College | special | 0.1034% | $579 |
| Williamson County FM/Rd | County | 0.0443% | $248 |
| Upper Brushy Creek WCID | Water | 0.0170% | $95 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.9931% | $11,152 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $594,323 would pay approximately $3,710 per month (principal and interest only, excluding taxes and insurance).