603 RUBIO AVE, ROUND ROCK, TX 78664
ROUND ROCK, 78664 — williamson County
Property at a Glance
This home is estimated between $104,436 and $187,107, with a best estimate of $164,822. That places the property below the R701575F - OLD TOWN ROUND ROCK median of $319,256, in a neighborhood that appreciated 4.3% over the past year.
Estimated Value Range
$164,822
$211,919
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 $104,436 and $187,107. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted -$120,934 for 471 sqft less living space. Net adjustment: -$120,934.
Adjusted +$29,528 for 115 sqft more living space. Net adjustment: +$29,528.
Adjusted -$37,487 for 146 sqft less living space and -$46,385 for being older. Net adjustment: -$83,872.
Adjusted -$53,406 for 208 sqft less living space. Net adjustment: -$53,406.
Adjusted -$8,216 for 32 sqft less living space. Net adjustment: -$8,216.
The Neighborhood
This home is valued 33.6% below the R701575F - OLD TOWN ROUND ROCK median of $319,256. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 4.3% over the past year.
R701575F - OLD TOWN ROUND ROCK
below averageThis home is -33.6% below the subdivision median.
Tax Analysis
The estimated annual property tax is $3,813 across all districts. With a homestead exemption claimed, that drops to $2,524 — saving $1,289 per year. That's $210 per month a buyer should budget. The assessed value increased +17.2% vs the subdivision average of +4.3%. This above-average increase gives a protest opportunity score of 85 out of 100 — it may be worth challenging the appraisal.
Tax Districts
| District | Type | Rate | Annual Amount |
|---|---|---|---|
| Round Rock ISD | School | 0.8931% | $1,893 |
| Round Rock | City | 0.3720% | $788 |
| Williamson County | County | 0.3694% | $783 |
| Austin Community College | special | 0.1034% | $219 |
| Williamson County FM/Rd | County | 0.0443% | $94 |
| Upper Brushy Creek WCID | Water | 0.0170% | $36 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $3,813 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $164,822 would pay approximately $1,029 per month (principal and interest only, excluding taxes and insurance).