528 KOLBO DR, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $468,599 and $865,002, with a best estimate of $694,943. That places the property above the R500515C - FOREST GROVE median of $686,297, in a neighborhood that declined 2.9% over the past year.
Estimated Value Range
$694,943
$492,951
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 $468,599 and $865,002. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$18,858 for 71 sqft more living space. Net adjustment: +$18,858.
Adjusted +$24,701 for 93 sqft more living space. Net adjustment: +$24,701.
Adjusted -$191,235 for 720 sqft less living space. Net adjustment: -$191,235.
Adjusted -$62,417 for 235 sqft less living space. Net adjustment: -$62,417.
Adjusted +$157,503 for 593 sqft more living space. Net adjustment: +$157,503.
The Neighborhood
This home is valued 28.2% 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
below averageThis home is -28.2% below the subdivision median.
Tax Analysis
The estimated annual property tax is $8,870 across all districts. With a homestead exemption claimed, that drops to $7,528 — saving $1,342 per year. That's $627 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% | $4,403 |
| Round Rock | City | 0.3720% | $1,834 |
| Williamson County | County | 0.3694% | $1,821 |
| Austin Community College | special | 0.1034% | $510 |
| Williamson County FM/Rd | County | 0.0443% | $219 |
| Upper Brushy Creek WCID | Water | 0.0170% | $84 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $8,870 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $694,943 would pay approximately $4,338 per month (principal and interest only, excluding taxes and insurance).