605 MAIN AVE E, ROUND ROCK, TX 78664
ROUND ROCK, 78664 — williamson County
Property at a Glance
This home is estimated between $487,120 and $711,453, with a best estimate of $549,927. 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
$549,927
$755,137
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 $487,120 and $711,453. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$51,866 for 202 sqft more living space and +$27,831 for being newer and +$124,420 for having a garage. Net adjustment: +$204,117.
Adjusted -$86,528 for 337 sqft less living space and -$86,585 for being older. Net adjustment: -$173,113.
Adjusted +$91,150 for 355 sqft more living space and +$24,739 for being newer. Net adjustment: +$115,889.
Adjusted +$126,840 for 494 sqft more living space and +$24,739 for being newer. Net adjustment: +$151,579.
Adjusted -$101,677 for 396 sqft less living space and +$95,863 for being newer. Net adjustment: -$5,814.
The Neighborhood
This home is valued 136.5% 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 +136.5% above the subdivision median.
Tax Analysis
The estimated annual property tax is $13,276 across all districts. With a homestead exemption claimed, that drops to $11,890 — saving $1,386 per year. That's $991 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% | $6,590 |
| Round Rock | City | 0.3720% | $2,745 |
| Williamson County | County | 0.3694% | $2,726 |
| Austin Community College | special | 0.1034% | $763 |
| Williamson County FM/Rd | County | 0.0443% | $327 |
| Upper Brushy Creek WCID | Water | 0.0170% | $125 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $13,276 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $549,927 would pay approximately $3,433 per month (principal and interest only, excluding taxes and insurance).