3517 SHELLCASTLE LN, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $180,616 and $205,767, with a best estimate of $201,261. 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
$201,261
$505,072
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 $180,616 and $205,767. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted -$213,274 for 765 sqft less living space and +$271 for being newer. Net adjustment: -$213,003.
Adjusted -$196,546 for 705 sqft less living space and +$812 for being newer. Net adjustment: -$195,734.
Adjusted -$199,334 for 715 sqft less living space and +$541 for being newer. Net adjustment: -$198,793.
Adjusted -$210,486 for 755 sqft less living space and +$541 for being newer. Net adjustment: -$209,945.
Adjusted -$245,613 for 881 sqft less living space and +$271 for being newer. Net adjustment: -$245,342.
The Neighborhood
This home is valued 1.2% 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 -1.2% below the subdivision median.
Tax Analysis
The estimated annual property tax is $9,088 across all districts. With a homestead exemption claimed, that drops to $7,744 — saving $1,344 per year. That's $645 per month a buyer should budget. The assessed value increased +1.0% vs the subdivision average of -5.8%. This above-average increase gives a protest opportunity score of 34 out of 100 — it may be worth challenging the appraisal.
Tax Districts
| District | Type | Rate | Annual Amount |
|---|---|---|---|
| Round Rock ISD | School | 0.8931% | $4,511 |
| Round Rock | City | 0.3720% | $1,879 |
| Williamson County | County | 0.3694% | $1,866 |
| Austin Community College | special | 0.1034% | $522 |
| Williamson County FM/Rd | County | 0.0443% | $224 |
| Upper Brushy Creek WCID | Water | 0.0170% | $86 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $9,088 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $201,261 would pay approximately $1,256 per month (principal and interest only, excluding taxes and insurance).