621 CIRCLE AVE, ROUND ROCK, TX 78664
ROUND ROCK, 78664 — williamson County
Property at a Glance
This home is estimated between $553,474 and $711,664, with a best estimate of $603,096. 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
$603,096
$410,852
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 $553,474 and $711,664. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$7,960 for 31 sqft more living space and +$90,802 for having a pool and +$124,420 for having a garage. Net adjustment: +$223,182.
Adjusted -$24,906 for 97 sqft less living space and +$90,802 for having a pool. Net adjustment: +$65,896.
Adjusted -$40,311 for 157 sqft less living space and +$90,802 for having a pool and +$124,420 for having a garage. Net adjustment: +$174,911.
Adjusted +$19,257 for 75 sqft more living space and +$90,802 for having a pool and +$124,420 for having a garage. Net adjustment: +$234,479.
Adjusted +$73,947 for 288 sqft more living space and +$90,802 for having a pool and +$124,420 for having a garage. Net adjustment: +$289,169.
The Neighborhood
This home is valued 28.7% 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
above averageThis home is +28.7% above the subdivision median.
Tax Analysis
The estimated annual property tax is $6,254 across all districts. With a homestead exemption claimed, that drops to $4,940 — saving $1,314 per year. That's $412 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% | $3,104 |
| Round Rock | City | 0.3720% | $1,293 |
| Williamson County | County | 0.3694% | $1,284 |
| Austin Community College | special | 0.1034% | $359 |
| Williamson County FM/Rd | County | 0.0443% | $154 |
| Upper Brushy Creek WCID | Water | 0.0170% | $59 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $6,254 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $603,096 would pay approximately $3,765 per month (principal and interest only, excluding taxes and insurance).