3525 SHELLCASTLE LN, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $502,189 and $733,174, with a best estimate of $554,603. 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
$554,603
$471,026
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 $502,189 and $733,174. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$121,831 for 437 sqft more living space and -$271 for being older. Net adjustment: +$121,560.
Adjusted +$157,237 for 564 sqft more living space and -$271 for being older. Net adjustment: +$156,966.
Adjusted +$115,419 for 414 sqft more living space and -$541 for being older. Net adjustment: +$114,878.
Adjusted +$86,146 for 309 sqft more living space and -$271 for being older. Net adjustment: +$85,875.
Adjusted +$1,952 for 7 sqft more living space and -$271 for being older. Net adjustment: +$1,681.
The Neighborhood
This home is valued 7.8% 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 -7.8% below the subdivision median.
Tax Analysis
The estimated annual property tax is $8,475 across all districts. With a homestead exemption claimed, that drops to $7,138 — saving $1,337 per year. That's $595 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% | $4,207 |
| Round Rock | City | 0.3720% | $1,752 |
| Williamson County | County | 0.3694% | $1,740 |
| Austin Community College | special | 0.1034% | $487 |
| Williamson County FM/Rd | County | 0.0443% | $209 |
| Upper Brushy Creek WCID | Water | 0.0170% | $80 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $8,475 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $554,603 would pay approximately $3,462 per month (principal and interest only, excluding taxes and insurance).