18 BRENDA LN, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $329,828 and $1,002,661, with a best estimate of $833,739. That places the property above the R451581F - Jackie Thomison Sub median of $825,132, in a neighborhood that declined 11.3% over the past year.
Estimated Value Range
$833,739
$656,518
Based on 5 comparable properties(5 in the same subdivision)
Based on 5 comparable properties in R451581F - Jackie Thomison Sub, this home's estimated market value is between $329,828 and $1,002,661. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted -$273,167 for 714 sqft less living space and -$454 for being older. Net adjustment: -$273,621.
Adjusted -$160,686 for 420 sqft less living space and -$379 for being older. Net adjustment: -$161,065.
Adjusted -$276,992 for 724 sqft less living space and +$379 for being newer. Net adjustment: -$276,613.
Adjusted -$178,668 for 467 sqft less living space and -$379 for being older. Net adjustment: -$179,047.
Adjusted -$17,599 for 46 sqft less living space and -$454 for being older. Net adjustment: -$18,053.
The Neighborhood
This home is valued 20.4% below the R451581F - Jackie Thomison Sub median of $825,132. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 11.3% over the past year.
R451581F - Jackie Thomison Sub
below averageThis home is -20.4% below the subdivision median.
Tax Analysis
The estimated annual property tax is $10,026 across all districts. With a homestead exemption claimed, that drops to $8,655 — saving $1,371 per year. That's $721 per month a buyer should budget. The assessed value increased +9.0% vs the subdivision average of -11.3%. This above-average increase gives a protest opportunity score of 70 out of 100 — it may be worth challenging the appraisal.
Tax Districts
| District | Type | Rate | Annual Amount |
|---|---|---|---|
| Round Rock ISD | School | 0.8931% | $5,863 |
| Williamson County | County | 0.3694% | $2,425 |
| Austin Community College | special | 0.1034% | $679 |
| Williamson County ESD #9 - Round Rock | ESD | 0.0999% | $656 |
| Williamson County FM/Rd | County | 0.0443% | $291 |
| Upper Brushy Creek WCID | Water | 0.0170% | $112 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.5272% | $10,026 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $833,739 would pay approximately $5,204 per month (principal and interest only, excluding taxes and insurance).