3532 SHELLCASTLE LN, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $356,148 and $618,297, with a best estimate of $420,947. 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
$420,947
$440,692
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 $356,148 and $618,297. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$6,412 for 23 sqft more living space and +$271 for being newer. Net adjustment: +$6,683.
Adjusted +$41,818 for 150 sqft more living space and +$271 for being newer. Net adjustment: +$42,089.
Adjusted -$115,419 for 414 sqft less living space and +$541 for being newer. Net adjustment: -$114,878.
Adjusted -$29,273 for 105 sqft less living space and +$271 for being newer. Net adjustment: -$29,002.
Adjusted -$113,467 for 407 sqft less living space and +$271 for being newer. Net adjustment: -$113,196.
The Neighborhood
This home is valued 13.8% 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 -13.8% below the subdivision median.
Tax Analysis
The estimated annual property tax is $7,929 across all districts. With a homestead exemption claimed, that drops to $6,598 — saving $1,331 per year. That's $550 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% | $3,936 |
| Round Rock | City | 0.3720% | $1,639 |
| Williamson County | County | 0.3694% | $1,628 |
| Austin Community College | special | 0.1034% | $456 |
| Williamson County FM/Rd | County | 0.0443% | $195 |
| Upper Brushy Creek WCID | Water | 0.0170% | $75 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $7,929 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $420,947 would pay approximately $2,628 per month (principal and interest only, excluding taxes and insurance).