604 MAIN AVE E, ROUND ROCK, TX 78664
ROUND ROCK, 78664 — williamson County
Property at a Glance
This home is estimated between $315,336 and $569,945, with a best estimate of $440,746. 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
$440,746
$583,911
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 $315,336 and $569,945. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted -$74,717 for 291 sqft less living space and +$27,831 for being newer. Net adjustment: -$46,886.
Adjusted -$67,785 for 264 sqft less living space and -$15,462 for being older. Net adjustment: -$83,247.
Adjusted -$71,893 for 280 sqft less living space and -$71,124 for being older and +$124,420 for having a garage. Net adjustment: -$18,597.
Adjusted +$188,976 for 736 sqft more living space and +$124,420 for having a garage. Net adjustment: +$313,396.
Adjusted +$232,112 for 904 sqft more living space and +$15,462 for being newer and +$124,420 for having a garage. Net adjustment: +$371,994.
The Neighborhood
This home is valued 82.9% 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 +82.9% above the subdivision median.
Tax Analysis
The estimated annual property tax is $9,965 across all districts. With a homestead exemption claimed, that drops to $8,612 — saving $1,353 per year. That's $718 per month a buyer should budget. The assessed value increased +16.0% vs the subdivision average of +4.3%. This above-average increase gives a protest opportunity score of 90 out of 100 — it may be worth challenging the appraisal.
Tax Districts
| District | Type | Rate | Annual Amount |
|---|---|---|---|
| Round Rock ISD | School | 0.8931% | $4,946 |
| Round Rock | City | 0.3720% | $2,060 |
| Williamson County | County | 0.3694% | $2,046 |
| Austin Community College | special | 0.1034% | $573 |
| Williamson County FM/Rd | County | 0.0443% | $246 |
| Upper Brushy Creek WCID | Water | 0.0170% | $94 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $9,965 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $440,746 would pay approximately $2,751 per month (principal and interest only, excluding taxes and insurance).