3609 COBALT CV, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $446,965 and $592,423, with a best estimate of $554,651. That places the property above the L498506D - VILLAGE AT MAYFIELD median of $510,992, in a neighborhood that declined 5.8% over the past year.
Estimated Value Range
$554,651
$453,146
Based on 5 comparable properties(5 in the same subdivision)
Based on 5 comparable properties in L498506D - VILLAGE AT MAYFIELD, this home's estimated market value is between $446,965 and $592,423. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$180,098 for 646 sqft more living space. Net adjustment: +$180,098.
Adjusted +$130,473 for 468 sqft more living space. Net adjustment: +$130,473.
Adjusted +$10,315 for 37 sqft more living space and -$271 for being older and +$60,193 for having a garage. Net adjustment: +$70,237.
Adjusted +$2,788 for 10 sqft more living space. Net adjustment: +$2,788.
Adjusted +$8,364 for 30 sqft more living space and -$271 for being older. Net adjustment: +$8,093.
The Neighborhood
This home is valued 11.3% below the L498506D - VILLAGE AT MAYFIELD median of $510,992. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 5.8% over the past year.
L498506D - VILLAGE AT MAYFIELD
typicalThis home is -11.3% below the subdivision median.
Tax Analysis
The estimated annual property tax is $8,153 across all districts. With a homestead exemption claimed, that drops to $6,819 — saving $1,334 per year. That's $568 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 |
|---|---|---|---|
| Round Rock ISD | School | 0.8931% | $4,047 |
| Round Rock | City | 0.3720% | $1,686 |
| Williamson County | County | 0.3694% | $1,674 |
| Austin Community College | special | 0.1034% | $469 |
| Williamson County FM/Rd | County | 0.0443% | $201 |
| Upper Brushy Creek WCID | Water | 0.0170% | $77 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $8,153 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $554,651 would pay approximately $3,462 per month (principal and interest only, excluding taxes and insurance).