3516 SHELLCASTLE LN, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $360,339 and $622,487, with a best estimate of $425,137. 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
$425,137
$609,533
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 $360,339 and $622,487. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$10,873 for 39 sqft more living space. Net adjustment: +$10,873.
Adjusted +$46,279 for 166 sqft more living space. Net adjustment: +$46,279.
Adjusted -$110,958 for 398 sqft less living space and +$271 for being newer. Net adjustment: -$110,687.
Adjusted +$4,461 for 16 sqft more living space and -$271 for being older. Net adjustment: +$4,190.
Adjusted -$24,812 for 89 sqft less living space. Net adjustment: -$24,812.
The Neighborhood
This home is valued 19.3% above the L498506D - VILLAGE AT MAYFIELD median of $510,992. With 696 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 5.8% over the past year.
L498506D - VILLAGE AT MAYFIELD
above averageThis home is +19.3% above the subdivision median.
Tax Analysis
The estimated annual property tax is $10,967 across all districts. With a homestead exemption claimed, that drops to $9,604 — saving $1,363 per year. That's $800 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% | $5,444 |
| Round Rock | City | 0.3720% | $2,267 |
| Williamson County | County | 0.3694% | $2,252 |
| Austin Community College | special | 0.1034% | $630 |
| Williamson County FM/Rd | County | 0.0443% | $270 |
| Upper Brushy Creek WCID | Water | 0.0170% | $104 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $10,967 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $425,137 would pay approximately $2,654 per month (principal and interest only, excluding taxes and insurance).