18 TIMBERLINE DR, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $258,256 and $407,239, with a best estimate of $361,494. That places the property below the R427578G - Hidden Acres & Sec 2 median of $412,870, in a neighborhood that declined 4.2% over the past year.
Estimated Value Range
$361,494
$389,765
Based on 5 comparable properties(5 in the same subdivision)
Based on 5 comparable properties in R427578G - Hidden Acres & Sec 2, this home's estimated market value is between $258,256 and $407,239. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$20,841 for 98 sqft more living space. Net adjustment: +$20,841.
Adjusted -$11,271 for 53 sqft less living space and +$12,070 for being newer. Net adjustment: +$799.
Adjusted -$17,651 for 83 sqft less living space and +$36,210 for being newer. Net adjustment: +$18,559.
Adjusted -$72,945 for 343 sqft less living space and -$48,279 for being older. Net adjustment: -$121,224.
Adjusted -$420,230 for 1,976 sqft less living space and -$12,070 for being older. Net adjustment: -$432,300.
The Neighborhood
This home is valued 5.6% below the R427578G - Hidden Acres & Sec 2 median of $412,870. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 4.2% over the past year.
R427578G - Hidden Acres & Sec 2
typicalThis home is -5.6% below the subdivision median.
Tax Analysis
The estimated annual property tax is $5,952 across all districts. With a homestead exemption claimed, that drops to $4,630 — saving $1,322 per year. That's $386 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% | $3,481 |
| Williamson County | County | 0.3694% | $1,440 |
| Austin Community College | special | 0.1034% | $403 |
| Williamson County ESD #9 - Round Rock | ESD | 0.0999% | $389 |
| Williamson County FM/Rd | County | 0.0443% | $173 |
| Upper Brushy Creek WCID | Water | 0.0170% | $66 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.5272% | $5,952 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $361,494 would pay approximately $2,256 per month (principal and interest only, excluding taxes and insurance).