3928 BONNIE LN, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $357,135 and $574,986, with a best estimate of $544,114. That places the property above the R409599G - STONEY BROOK - ALL SECTIONS median of $328,056, in a neighborhood that declined 4.7% over the past year.
Estimated Value Range
$544,114
$532,765
Based on 5 comparable properties(5 in the same subdivision)
Based on 5 comparable properties in R409599G - STONEY BROOK - ALL SECTIONS, this home's estimated market value is between $357,135 and $574,986. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$31,722 for 137 sqft more living space. Net adjustment: +$31,722.
Adjusted +$30,333 for 131 sqft more living space. Net adjustment: +$30,333.
Adjusted +$121,562 for 525 sqft more living space and +$4,111 for being newer. Net adjustment: +$125,673.
Adjusted +$103,038 for 445 sqft more living space. Net adjustment: +$103,038.
Adjusted +$155,367 for 671 sqft more living space. Net adjustment: +$155,367.
The Neighborhood
This home is valued 62.4% above the R409599G - STONEY BROOK - ALL SECTIONS median of $328,056. With 197 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 4.7% over the past year.
R409599G - STONEY BROOK - ALL SECTIONS
outlier highThis home is +62.4% above the subdivision median.
Tax Analysis
The estimated annual property tax is $9,586 across all districts. With a homestead exemption claimed, that drops to $8,237 — saving $1,349 per year. That's $686 per month a buyer should budget. The assessed value increased +4.4% vs the subdivision average of -4.7%. This above-average increase gives a protest opportunity score of 46 out of 100 — it may be worth challenging the appraisal.
Tax Districts
| District | Type | Rate | Annual Amount |
|---|---|---|---|
| Round Rock ISD | School | 0.8931% | $4,758 |
| Round Rock | City | 0.3720% | $1,982 |
| Williamson County | County | 0.3694% | $1,968 |
| Austin Community College | special | 0.1034% | $551 |
| Williamson County FM/Rd | County | 0.0443% | $236 |
| Upper Brushy Creek WCID | Water | 0.0170% | $91 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $9,586 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $544,114 would pay approximately $3,396 per month (principal and interest only, excluding taxes and insurance).