3605 COBALT CV, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $316,492 and $785,941, with a best estimate of $438,896. That places the property below the L498506D - VILLAGE AT MAYFIELD median of $510,992, in a neighborhood that declined 5.8% over the past year.
Estimated Value Range
$438,896
$424,178
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 $316,492 and $785,941. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$49,624 for 178 sqft more living space. Net adjustment: +$49,624.
Adjusted -$120,158 for 431 sqft less living space and -$271 for being older and +$60,193 for having a garage. Net adjustment: -$60,236.
Adjusted +$179,261 for 643 sqft more living space. Net adjustment: +$179,261.
Adjusted -$130,473 for 468 sqft less living space. Net adjustment: -$130,473.
Adjusted -$127,685 for 458 sqft less living space. Net adjustment: -$127,685.
The Neighborhood
This home is valued 17.0% 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
below averageThis home is -17.0% below the subdivision median.
Tax Analysis
The estimated annual property tax is $7,632 across all districts. With a homestead exemption claimed, that drops to $6,303 — saving $1,329 per year. That's $525 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% | $3,788 |
| Round Rock | City | 0.3720% | $1,578 |
| Williamson County | County | 0.3694% | $1,567 |
| Austin Community College | special | 0.1034% | $439 |
| Williamson County FM/Rd | County | 0.0443% | $188 |
| Upper Brushy Creek WCID | Water | 0.0170% | $72 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $7,632 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $438,896 would pay approximately $2,740 per month (principal and interest only, excluding taxes and insurance).