3815 SEBASTIAN CV, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $472,798 and $730,238, with a best estimate of $499,740. 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
$499,740
$468,154
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 $472,798 and $730,238. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$162,534 for 583 sqft more living space and -$271 for being older. Net adjustment: +$162,263.
Adjusted +$3,345 for 12 sqft more living space. Net adjustment: +$3,345.
Adjusted +$84,473 for 303 sqft more living space and -$541 for being older. Net adjustment: +$83,932.
Adjusted -$13,661 for 49 sqft less living space and -$271 for being older. Net adjustment: -$13,932.
Adjusted +$35,964 for 129 sqft more living space and -$541 for being older. Net adjustment: +$35,423.
The Neighborhood
This home is valued 8.4% 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 -8.4% below the subdivision median.
Tax Analysis
The estimated annual property tax is $8,423 across all districts. With a homestead exemption claimed, that drops to $7,087 — saving $1,336 per year. That's $591 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% | $4,181 |
| Round Rock | City | 0.3720% | $1,742 |
| Williamson County | County | 0.3694% | $1,730 |
| Austin Community College | special | 0.1034% | $484 |
| Williamson County FM/Rd | County | 0.0443% | $208 |
| Upper Brushy Creek WCID | Water | 0.0170% | $80 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $8,423 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $499,740 would pay approximately $3,119 per month (principal and interest only, excluding taxes and insurance).