4001 MASON CV, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $430,941 and $637,683, with a best estimate of $464,736. That places the property below the G799514C - MAYFIELD RANCH median of $523,371, in a neighborhood that declined 9.3% over the past year.
Estimated Value Range
$464,736
$478,647
Based on 5 comparable properties(5 in the same subdivision)
Based on 5 comparable properties in G799514C - MAYFIELD RANCH, this home's estimated market value is between $430,941 and $637,683. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted -$60,517 for 273 sqft less living space and -$1,826 for being older. Net adjustment: -$62,343.
Adjusted +$1,773 for 8 sqft more living space and -$1,826 for being older. Net adjustment: -$53.
Adjusted -$68,940 for 311 sqft less living space. Net adjustment: -$68,940.
Adjusted +$81,576 for 368 sqft more living space and -$1,826 for being older. Net adjustment: +$79,750.
Adjusted -$13,744 for 62 sqft less living space and -$3,652 for being older. Net adjustment: -$17,396.
The Neighborhood
This home is valued 8.5% 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 -8.5% below the subdivision median.
Tax Analysis
The estimated annual property tax is $9,890 across all districts. With a homestead exemption claimed, that drops to $8,331 — saving $1,559 per year. That's $694 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% | $5,029 |
| Highlands at Mayfield Ranch MUD | MUD | 0.4850% | $2,321 |
| Williamson County | County | 0.3694% | $1,768 |
| Williamson County ESD #9 - Round Rock | ESD | 0.0999% | $478 |
| Williamson County FM/Rd | County | 0.0443% | $212 |
| Upper Brushy Creek WCID | Water | 0.0170% | $81 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.0663% | $9,890 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $464,736 would pay approximately $2,901 per month (principal and interest only, excluding taxes and insurance).