100 GRAND ISLE DR, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $267,301 and $358,787, with a best estimate of $330,431. That places the property below the R434598G - Chandler Creek median of $342,930, in a neighborhood that declined 6.7% over the past year.
Estimated Value Range
$330,431
$379,279
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 $267,301 and $358,787. More comparables in the same subdivision would strengthen this estimate.
Comparable Properties (5)
Adjusted -$18,975 for 101 sqft less living space and -$923 for being older. Net adjustment: -$19,898.
Adjusted -$86,797 for 462 sqft less living space and -$231 for being older. Net adjustment: -$87,028.
Adjusted +$3,570 for 19 sqft more living space and -$231 for being older. Net adjustment: +$3,339.
Adjusted +$3,570 for 19 sqft more living space and -$231 for being older and -$31,736 for no pool. Net adjustment: -$28,397.
Adjusted +$3,006 for 16 sqft more living space and -$231 for being older. Net adjustment: +$2,775.
The Neighborhood
This home is valued 10.6% above the R434598G - Chandler Creek median of $342,930. With 709 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 6.7% over the past year.
R434598G - Chandler Creek
typicalThis home is +10.6% above the subdivision median.
Tax Analysis
The estimated annual property tax is $6,873 across all districts. With a homestead exemption claimed, that drops to $5,552 — saving $1,321 per year. That's $463 per month a buyer should budget. The assessed value increased +3.0% vs the subdivision average of -6.7%. This above-average increase gives a protest opportunity score of 49 out of 100 — it may be worth challenging the appraisal.
Tax Districts
| District | Type | Rate | Annual Amount |
|---|---|---|---|
| Round Rock ISD | School | 0.8931% | $3,387 |
| Williamson County | County | 0.3694% | $1,401 |
| Meadows of Chandler Creek MUD | MUD | 0.2849% | $1,081 |
| Austin Community College | special | 0.1034% | $392 |
| Williamson County ESD #9 - Round Rock | ESD | 0.0999% | $379 |
| Williamson County FM/Rd | County | 0.0443% | $168 |
| Upper Brushy Creek WCID | Water | 0.0170% | $64 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.8121% | $6,873 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $330,431 would pay approximately $2,063 per month (principal and interest only, excluding taxes and insurance).