509 LEWIS ST N, ROUND ROCK, TX 78664
ROUND ROCK, 78664 — williamson County
Property at a Glance
This home is estimated between $362,615 and $850,529, with a best estimate of $478,712. That places the property above the R701575F - OLD TOWN ROUND ROCK median of $319,256, in a neighborhood that appreciated 4.3% over the past year.
Estimated Value Range
$478,712
$365,100
Based on 5 comparable properties(5 in the same subdivision)
Based on 5 comparable properties in R701575F - OLD TOWN ROUND ROCK, this home's estimated market value is between $362,615 and $850,529. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$86,785 for 338 sqft more living space and +$30,923 for being newer. Net adjustment: +$117,708.
Adjusted +$79,339 for 309 sqft more living space and -$30,923 for being older. Net adjustment: +$48,416.
Adjusted -$52,379 for 204 sqft less living space and -$30,923 for being older and -$124,420 for no garage. Net adjustment: -$207,722.
Adjusted +$47,758 for 186 sqft more living space and +$30,923 for being newer and -$124,420 for no garage. Net adjustment: -$45,739.
Adjusted +$126,326 for 492 sqft more living space and -$105,140 for being older. Net adjustment: +$21,186.
The Neighborhood
This home is valued 14.4% above the R701575F - OLD TOWN ROUND ROCK median of $319,256. With 360 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 4.3% over the past year.
R701575F - OLD TOWN ROUND ROCK
typicalThis home is +14.4% above the subdivision median.
Tax Analysis
The estimated annual property tax is $6,424 across all districts. With a homestead exemption claimed, that drops to $5,108 — saving $1,316 per year. That's $426 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% | $3,189 |
| Round Rock | City | 0.3720% | $1,328 |
| Williamson County | County | 0.3694% | $1,319 |
| Austin Community College | special | 0.1034% | $369 |
| Williamson County FM/Rd | County | 0.0443% | $158 |
| Upper Brushy Creek WCID | Water | 0.0170% | $61 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $6,424 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $478,712 would pay approximately $2,988 per month (principal and interest only, excluding taxes and insurance).