816 ST WILLIAMS AVE, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $447,914 and $651,114, with a best estimate of $510,357. That places the property above the R325576F - ROUND ROCK WEST/LAKE CREEK WEST/SHADOW BROOK median of $476,515, in a neighborhood that declined 5.9% over the past year.
Estimated Value Range
$510,357
$504,456
Based on 5 comparable properties(5 in the same subdivision)
Based on 5 comparable properties in R325576F - ROUND ROCK WEST/LAKE CREEK WEST/SHADOW BROOK, this home's estimated market value is between $447,914 and $651,114. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$91,630 for 386 sqft more living space. Net adjustment: +$91,630.
Adjusted +$25,875 for 109 sqft more living space. Net adjustment: +$25,875.
Adjusted +$118,930 for 501 sqft more living space and +$7,101 for being newer. Net adjustment: +$126,031.
Adjusted -$237 for 1 sqft less living space and -$7,101 for being older. Net adjustment: -$7,338.
Adjusted +$17,092 for 72 sqft more living space and +$7,101 for being newer. Net adjustment: +$24,193.
The Neighborhood
This home is valued 5.9% above the R325576F - ROUND ROCK WEST/LAKE CREEK WEST/SHADOW BROOK median of $476,515. With 822 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 5.9% over the past year.
R325576F - ROUND ROCK WEST/LAKE CREEK WEST/SHADOW BROOK
typicalThis home is +5.9% above the subdivision median.
Tax Analysis
The estimated annual property tax is $9,077 across all districts. With a homestead exemption claimed, that drops to $7,733 — saving $1,344 per year. That's $644 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% | $4,505 |
| Round Rock | City | 0.3720% | $1,877 |
| Williamson County | County | 0.3694% | $1,864 |
| 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% | $9,077 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $510,357 would pay approximately $3,186 per month (principal and interest only, excluding taxes and insurance).