509 OLD WEST DR, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $356,647 and $766,619, with a best estimate of $406,573. That places the property below the R120X - Round Rock West Above 45 - Duplex median of $434,714, in a neighborhood that declined 1.8% over the past year.
Estimated Value Range
$406,573
$359,086
Based on 5 comparable properties(0 in the same subdivision)
There are 5 comparable properties within range, but none are in R120X - Round Rock West Above 45 - Duplex. The estimated range of $356,647 and $766,619 should be treated as a rough guide.
Comparable Properties (5)
Adjusted -$6,303 for 31 sqft less living space and +$12,524 for being newer. Net adjustment: +$6,221.
Adjusted +$18,096 for 89 sqft more living space and +$7,514 for being newer. Net adjustment: +$25,610.
Adjusted -$29,279 for 144 sqft less living space and +$2,505 for being newer and +$19,866 for having a garage. Net adjustment: -$6,908.
Adjusted +$24,196 for 119 sqft more living space and -$5,010 for being older and +$19,866 for having a garage. Net adjustment: +$39,052.
Adjusted -$36,599 for 180 sqft less living space and +$2,505 for being newer. Net adjustment: -$34,094.
The Neighborhood
This home is valued 17.4% below the R120X - Round Rock West Above 45 - Duplex median of $434,714. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 1.8% over the past year.
R120X - Round Rock West Above 45 - Duplex
below averageThis home is -17.4% below the subdivision median.
Tax Analysis
The estimated annual property tax is $5,779 across all districts. With a homestead exemption claimed, that drops to $4,469 — saving $1,310 per year. That's $372 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% | $2,868 |
| Round Rock | City | 0.3720% | $1,195 |
| Williamson County | County | 0.3694% | $1,187 |
| Austin Community College | special | 0.1034% | $332 |
| Williamson County FM/Rd | County | 0.0443% | $142 |
| Upper Brushy Creek WCID | Water | 0.0170% | $55 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $5,779 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $406,573 would pay approximately $2,538 per month (principal and interest only, excluding taxes and insurance).