857 WHITETAIL DR, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $420,376 and $746,666, with a best estimate of $596,509. That places the property above the G799514C - MAYFIELD RANCH median of $523,371, in a neighborhood that declined 9.3% over the past year.
Estimated Value Range
$596,509
$437,465
Based on 5 comparable properties(3 in the same subdivision)
Based on 5 comparable properties (3 in the same subdivision, 2 nearby), the estimated range is $420,376 and $746,666. More comparables in the same subdivision would strengthen this estimate.
Comparable Properties (5)
Adjusted +$10,419 for 47 sqft more living space and +$10,957 for being newer. Net adjustment: +$21,376.
Adjusted +$10,419 for 47 sqft more living space and +$7,304 for being newer. Net adjustment: +$17,723.
Adjusted -$63,177 for 285 sqft less living space and +$3,652 for being newer. Net adjustment: -$59,525.
Adjusted -$57,192 for 258 sqft less living space and +$10,957 for being newer. Net adjustment: -$46,235.
Adjusted +$33,694 for 152 sqft more living space and +$10,957 for being newer. Net adjustment: +$44,651.
The Neighborhood
This home is valued 16.4% below the G799514C - MAYFIELD RANCH median of $523,371. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 9.3% over the past year.
G799514C - MAYFIELD RANCH
below averageThis home is -16.4% below the subdivision median.
Tax Analysis
The estimated annual property tax is $9,039 across all districts. With a homestead exemption claimed, that drops to $7,488 — saving $1,551 per year. That's $624 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 |
|---|---|---|---|
| Georgetown ISD | School | 1.0506% | $4,596 |
| Highlands at Mayfield Ranch MUD | MUD | 0.4850% | $2,122 |
| Williamson County | County | 0.3694% | $1,616 |
| Williamson County ESD #9 - Round Rock | ESD | 0.0999% | $437 |
| Williamson County FM/Rd | County | 0.0443% | $194 |
| Upper Brushy Creek WCID | Water | 0.0170% | $74 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.0663% | $9,039 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $596,509 would pay approximately $3,723 per month (principal and interest only, excluding taxes and insurance).