507 W OAK DR, ROUND ROCK, TX 78664
ROUND ROCK, 78664 — williamson County
Property at a Glance
This home is estimated between $597,065 and $663,518, with a best estimate of $621,617. 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
$621,617
$582,657
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 $597,065 and $663,518. More comparables in the same subdivision would strengthen this estimate.
Comparable Properties (5)
Adjusted +$216,452 for 996 sqft more living space and +$1,252 for being newer. Net adjustment: +$217,704.
Adjusted +$242,965 for 1,118 sqft more living space and -$834 for being older. Net adjustment: +$242,131.
Adjusted +$289,472 for 1,332 sqft more living space and +$2,503 for being newer. Net adjustment: +$291,975.
Adjusted +$337,934 for 1,555 sqft more living space and -$834 for being older. Net adjustment: +$337,100.
Adjusted +$254,700 for 1,172 sqft more living space and +$4,589 for being newer. Net adjustment: +$259,289.
The Neighborhood
This home is valued 64.6% 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
outlier highThis home is +64.6% above the subdivision median.
Tax Analysis
The estimated annual property tax is $10,484 across all districts. With a homestead exemption claimed, that drops to $9,126 — saving $1,358 per year. That's $761 per month a buyer should budget. The assessed value increased +1.8% vs the subdivision average of -4.4%. This above-average increase gives a protest opportunity score of 31 out of 100 — it may be worth challenging the appraisal.
Tax Districts
| District | Type | Rate | Annual Amount |
|---|---|---|---|
| Round Rock ISD | School | 0.8931% | $5,204 |
| Round Rock | City | 0.3720% | $2,167 |
| Williamson County | County | 0.3694% | $2,153 |
| Austin Community College | special | 0.1034% | $602 |
| Williamson County FM/Rd | County | 0.0443% | $258 |
| Upper Brushy Creek WCID | Water | 0.0170% | $99 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $10,484 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $621,617 would pay approximately $3,880 per month (principal and interest only, excluding taxes and insurance).