601 KOLBO DR, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $619,110 and $905,373, with a best estimate of $641,397. That places the property below the R500515C - FOREST GROVE median of $686,297, in a neighborhood that declined 2.9% over the past year.
Estimated Value Range
$641,397
$659,834
Based on 5 comparable properties(5 in the same subdivision)
Based on 5 comparable properties in R500515C - FOREST GROVE, this home's estimated market value is between $619,110 and $905,373. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$128,818 for 485 sqft more living space. Net adjustment: +$128,818.
Adjusted +$104,117 for 392 sqft more living space. Net adjustment: +$104,117.
Adjusted +$54,183 for 204 sqft more living space. Net adjustment: +$54,183.
This comparable closely matches the subject property's features.
Adjusted -$99,070 for 373 sqft less living space. Net adjustment: -$99,070.
The Neighborhood
This home is valued 3.9% below the R500515C - FOREST GROVE median of $686,297. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 2.9% over the past year.
R500515C - FOREST GROVE
typicalThis home is -3.9% below the subdivision median.
Tax Analysis
The estimated annual property tax is $11,794 across all districts. With a homestead exemption claimed, that drops to $10,423 — saving $1,371 per year. That's $869 per month a buyer should budget. The assessed value increased +6.3% vs the subdivision average of -2.9%. This above-average increase gives a protest opportunity score of 61 out of 100 — it may be worth challenging the appraisal.
Tax Districts
| District | Type | Rate | Annual Amount |
|---|---|---|---|
| Round Rock ISD | School | 0.8931% | $5,854 |
| Round Rock | City | 0.3720% | $2,438 |
| Williamson County | County | 0.3694% | $2,422 |
| Austin Community College | special | 0.1034% | $678 |
| Williamson County FM/Rd | County | 0.0443% | $291 |
| Upper Brushy Creek WCID | Water | 0.0170% | $111 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $11,794 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $641,397 would pay approximately $4,004 per month (principal and interest only, excluding taxes and insurance).