421 N IH 35, ROUND ROCK, TX 78664
ROUND ROCK, 78664 — williamson County
Property at a Glance
This home is estimated between $171,059 and $1,322,939, with a best estimate of $559,760.
Estimated Value Range
$559,760
$1,121,981
Based on 5 comparable properties(0 in the same subdivision)
There are 5 comparable properties within range, but none are in R20MB - FUEL BOOTH IN ROUND ROCK EAST I-35 AREA. The estimated range of $171,059 and $1,322,939 should be treated as a rough guide.
Comparable Properties (5)
Adjusted +$91,511 for 379 sqft more living space and +$202 for being newer. Net adjustment: +$91,713.
Adjusted -$6,278 for 26 sqft less living space and +$101 for being newer. Net adjustment: -$6,177.
Adjusted -$42,013 for 174 sqft less living space and -$303 for being older and -$60,193 for no garage. Net adjustment: -$102,509.
Adjusted -$39,840 for 165 sqft less living space and -$2,427 for being older. Net adjustment: -$42,267.
Adjusted +$25,594 for 106 sqft more living space and +$2,124 for being newer and -$60,193 for no garage. Net adjustment: -$32,475.
The Neighborhood
Subdivision comparison data is not available for this property.
Tax Analysis
The estimated annual property tax is $20,188 across all districts. With a homestead exemption claimed, that drops to $18,730 — saving $1,458 per year. That's $1,561 per month a buyer should budget. The assessed value increased +2.5%. This increase gives a protest opportunity score of 60 out of 100 — it may be worth challenging the appraisal.
Tax Districts
| District | Type | Rate | Annual Amount |
|---|---|---|---|
| Round Rock ISD | School | 0.8931% | $10,020 |
| Round Rock | City | 0.3720% | $4,174 |
| Williamson County | County | 0.3694% | $4,145 |
| Austin Community College | special | 0.1034% | $1,160 |
| Williamson County FM/Rd | County | 0.0443% | $497 |
| Upper Brushy Creek WCID | Water | 0.0170% | $191 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $20,188 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $559,760 would pay approximately $3,494 per month (principal and interest only, excluding taxes and insurance).