821 WHITETAIL DR, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $462,494 and $913,758, with a best estimate of $638,627. 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
$638,627
$462,875
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 $462,494 and $913,758. More comparables in the same subdivision would strengthen this estimate.
Comparable Properties (5)
Adjusted +$52,537 for 237 sqft more living space and +$10,957 for being newer. Net adjustment: +$63,494.
Adjusted +$52,537 for 237 sqft more living space and +$7,304 for being newer. Net adjustment: +$59,841.
Adjusted -$21,059 for 95 sqft less living space and +$3,652 for being newer. Net adjustment: -$17,407.
Adjusted -$15,074 for 68 sqft less living space and +$10,957 for being newer. Net adjustment: -$4,117.
Adjusted -$14,630 for 66 sqft less living space and +$23,739 for being newer. Net adjustment: +$9,109.
The Neighborhood
This home is valued 11.6% 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
typicalThis home is -11.6% below the subdivision median.
Tax Analysis
The estimated annual property tax is $9,564 across all districts. With a homestead exemption claimed, that drops to $8,008 — saving $1,556 per year. That's $667 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% | $4,863 |
| Highlands at Mayfield Ranch MUD | MUD | 0.4850% | $2,245 |
| Williamson County | County | 0.3694% | $1,710 |
| Williamson County ESD #9 - Round Rock | ESD | 0.0999% | $462 |
| Williamson County FM/Rd | County | 0.0443% | $205 |
| Upper Brushy Creek WCID | Water | 0.0170% | $79 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.0663% | $9,564 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $638,627 would pay approximately $3,986 per month (principal and interest only, excluding taxes and insurance).