511 N LEWIS ST, ROUND ROCK, TX 78664
ROUND ROCK, 78664 — williamson County
Property at a Glance
This home is estimated between $655,294 and $1,143,208, with a best estimate of $663,960. 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
$663,960
$563,919
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 $655,294 and $1,143,208. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$130,691 for 509 sqft more living space and +$58,754 for being newer and +$124,420 for having a garage. Net adjustment: +$313,865.
Adjusted +$4,365 for 17 sqft more living space and +$163,894 for being newer and +$124,420 for having a garage. Net adjustment: +$292,679.
Adjusted +$83,704 for 326 sqft more living space and +$132,971 for being newer and +$124,420 for having a garage. Net adjustment: +$341,095.
Adjusted -$48,014 for 187 sqft less living space and +$132,971 for being newer. Net adjustment: +$84,957.
Adjusted +$52,122 for 203 sqft more living space and +$194,817 for being newer. Net adjustment: +$246,939.
The Neighborhood
This home is valued 76.6% 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
outlier highThis home is +76.6% above the subdivision median.
Tax Analysis
The estimated annual property tax is $8,659 across all districts. With a homestead exemption claimed, that drops to $7,320 — saving $1,339 per year. That's $610 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% | $4,298 |
| Round Rock | City | 0.3720% | $1,790 |
| Williamson County | County | 0.3694% | $1,778 |
| Austin Community College | special | 0.1034% | $498 |
| Williamson County FM/Rd | County | 0.0443% | $213 |
| Upper Brushy Creek WCID | Water | 0.0170% | $82 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $8,659 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $663,960 would pay approximately $4,144 per month (principal and interest only, excluding taxes and insurance).