3805 CASTLE ROCK CV, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $284,481 and $450,487, with a best estimate of $289,519. That places the property below the R107503F - PRESERVE AT STONE OAK - PH 3 & 4 median of $368,194, in a neighborhood that declined 10.9% over the past year.
Estimated Value Range
$289,519
$330,378
Based on 5 comparable properties(5 in the same subdivision)
Based on 5 comparable properties in R107503F - PRESERVE AT STONE OAK - PH 3 & 4, this home's estimated market value is between $284,481 and $450,487. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$76,951 for 378 sqft more living space. Net adjustment: +$76,951.
Adjusted -$50,486 for 248 sqft less living space. Net adjustment: -$50,486.
Adjusted +$64,736 for 318 sqft more living space. Net adjustment: +$64,736.
Adjusted -$37,254 for 183 sqft less living space. Net adjustment: -$37,254.
Adjusted -$50,486 for 248 sqft less living space. Net adjustment: -$50,486.
The Neighborhood
This home is valued 10.3% below the R107503F - PRESERVE AT STONE OAK - PH 3 & 4 median of $368,194. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 10.9% over the past year.
R107503F - PRESERVE AT STONE OAK - PH 3 & 4
typicalThis home is -10.3% below the subdivision median.
Tax Analysis
The estimated annual property tax is $5,944 across all districts. With a homestead exemption claimed, that drops to $4,633 — saving $1,311 per year. That's $386 per month a buyer should budget. The assessed value increased -2.8% vs the subdivision average of -10.9%. This above-average increase gives a protest opportunity score of 41 out of 100 — it may be worth challenging the appraisal.
Tax Districts
| District | Type | Rate | Annual Amount |
|---|---|---|---|
| Round Rock ISD | School | 0.8931% | $2,951 |
| Round Rock | City | 0.3720% | $1,229 |
| Williamson County | County | 0.3694% | $1,221 |
| Austin Community College | special | 0.1034% | $342 |
| Williamson County FM/Rd | County | 0.0443% | $146 |
| Upper Brushy Creek WCID | Water | 0.0170% | $56 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $5,944 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $289,519 would pay approximately $1,807 per month (principal and interest only, excluding taxes and insurance).