4009 MASON CV, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $499,882 and $647,244, with a best estimate of $533,677. 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
$533,677
$502,796
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 $499,882 and $647,244. More comparables in the same subdivision would strengthen this estimate.
Comparable Properties (5)
Adjusted +$8,424 for 38 sqft more living space and -$1,826 for being older. Net adjustment: +$6,598.
Adjusted +$70,714 for 319 sqft more living space and -$1,826 for being older. Net adjustment: +$68,888.
Adjusted -$22,611 for 102 sqft less living space. Net adjustment: -$22,611.
Adjusted +$55,197 for 249 sqft more living space and -$3,652 for being older. Net adjustment: +$51,545.
Adjusted +$6,650 for 30 sqft more living space and +$18,261 for being newer. Net adjustment: +$24,911.
The Neighborhood
This home is valued 3.9% 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 -3.9% below the subdivision median.
Tax Analysis
The estimated annual property tax is $10,389 across all districts. With a homestead exemption claimed, that drops to $8,825 — saving $1,564 per year. That's $735 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% | $5,282 |
| Highlands at Mayfield Ranch MUD | MUD | 0.4850% | $2,439 |
| Williamson County | County | 0.3694% | $1,858 |
| Williamson County ESD #9 - Round Rock | ESD | 0.0999% | $502 |
| Williamson County FM/Rd | County | 0.0443% | $223 |
| Upper Brushy Creek WCID | Water | 0.0170% | $85 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.0663% | $10,389 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $533,677 would pay approximately $3,331 per month (principal and interest only, excluding taxes and insurance).