505 KAROLYN DR, ROUND ROCK, TX 78664
ROUND ROCK, 78664 — williamson County
Property at a Glance
This home is estimated between $380,360 and $446,814, with a best estimate of $404,913. That places the property above the R462475H - Egger Acres median of $353,946, in a neighborhood that declined 4.4% over the past year.
Estimated Value Range
$404,913
$431,341
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 $380,360 and $446,814. More comparables in the same subdivision would strengthen this estimate.
Comparable Properties (5)
Adjusted -$1,087 for 5 sqft less living space and +$2,086 for being newer. Net adjustment: +$999.
Adjusted +$25,427 for 117 sqft more living space. Net adjustment: +$25,427.
Adjusted +$120,396 for 554 sqft more living space. Net adjustment: +$120,396.
Adjusted +$71,933 for 331 sqft more living space and +$3,338 for being newer. Net adjustment: +$75,271.
Adjusted +$37,162 for 171 sqft more living space and +$5,424 for being newer. Net adjustment: +$42,586.
The Neighborhood
This home is valued 21.9% above the R462475H - Egger Acres median of $353,946. With 340 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 4.4% over the past year.
R462475H - Egger Acres
above averageThis home is +21.9% above the subdivision median.
Tax Analysis
The estimated annual property tax is $7,761 across all districts. With a homestead exemption claimed, that drops to $6,431 — saving $1,330 per year. That's $536 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% | $3,852 |
| Round Rock | City | 0.3720% | $1,605 |
| Williamson County | County | 0.3694% | $1,594 |
| Austin Community College | special | 0.1034% | $446 |
| Williamson County FM/Rd | County | 0.0443% | $191 |
| Upper Brushy Creek WCID | Water | 0.0170% | $73 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $7,761 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $404,913 would pay approximately $2,527 per month (principal and interest only, excluding taxes and insurance).