515 KAROLYN DR, ROUND ROCK, TX 78664
ROUND ROCK, 78664 — williamson County
Property at a Glance
This home is estimated between $300,197 and $411,612, with a best estimate of $323,766. That places the property below the R462475H - Egger Acres median of $353,946, in a neighborhood that declined 4.4% over the past year.
Estimated Value Range
$323,766
$320,194
Based on 5 comparable properties(4 in the same subdivision)
Based on 5 comparable properties (4 in the same subdivision, 1 nearby), the estimated range is $300,197 and $411,612. More comparables in the same subdivision would strengthen this estimate.
Comparable Properties (5)
Adjusted -$60,633 for 279 sqft less living space and +$1,669 for being newer. Net adjustment: -$58,964.
Adjusted -$42,812 for 197 sqft less living space and -$3,854 for no pool. Net adjustment: -$46,666.
Adjusted -$177,986 for 819 sqft less living space and +$2,503 for being newer. Net adjustment: -$175,483.
Adjusted -$73,889 for 340 sqft less living space and +$417 for being newer. Net adjustment: -$73,472.
Adjusted +$63,892 for 294 sqft more living space and +$5,841 for being newer. Net adjustment: +$69,733.
The Neighborhood
This home is valued 9.5% below the R462475H - Egger Acres median of $353,946. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 4.4% over the past year.
R462475H - Egger Acres
typicalThis home is -9.5% below the subdivision median.
Tax Analysis
The estimated annual property tax is $5,761 across all districts. With a homestead exemption claimed, that drops to $4,452 — saving $1,309 per year. That's $371 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% | $2,860 |
| Round Rock | City | 0.3720% | $1,191 |
| Williamson County | County | 0.3694% | $1,183 |
| Austin Community College | special | 0.1034% | $331 |
| Williamson County FM/Rd | County | 0.0443% | $142 |
| Upper Brushy Creek WCID | Water | 0.0170% | $54 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $5,761 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $323,766 would pay approximately $2,021 per month (principal and interest only, excluding taxes and insurance).