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218 GRAND ISLE DR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,690 sqftBuilt 2002

Property at a Glance

This home is estimated between $241,042 and $353,020, with a best estimate of $304,172. 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

$241,042 $353,020
Best Estimate
$304,172
WCAD Value
$327,413
High Confidence

Based on 5 comparable properties(5 in the same subdivision)

Based on 5 comparable properties in R434598G - Chandler Creek, this home's estimated market value is between $241,042 and $353,020. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

223 GRAND ISLE DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,293 sqft Built 2002
Raw Value $354,329
Adjusted Value $241,042

Adjusted -$113,287 for 603 sqft less living space. Net adjustment: -$113,287.

211 GRAND ISLE DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,812 sqft Built 2002
Raw Value $330,264
Adjusted Value $307,344

Adjusted -$22,920 for 122 sqft less living space. Net adjustment: -$22,920.

100 GRAND ISLE DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,831 sqft Built 2003
Raw Value $379,279
Adjusted Value $353,020

Adjusted -$26,490 for 141 sqft less living space and +$231 for being newer. Net adjustment: -$26,259.

212 GRAND ISLE DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,812 sqft Built 2002
Raw Value $333,531
Adjusted Value $278,875

Adjusted -$22,920 for 122 sqft less living space and -$31,736 for no pool. Net adjustment: -$54,656.

206 GRAND ISLE DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,815 sqft Built 2002
Raw Value $327,656
Adjusted Value $304,172

Adjusted -$23,484 for 125 sqft less living space. Net adjustment: -$23,484.

The Neighborhood

This home is valued 4.5% below the R434598G - Chandler Creek median of $342,930. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 6.7% over the past year.

R434598G - Chandler Creek

typical
709 Properties
$342,930 Median Value
-6.7% YoY Change
1% Have Pool
100% Have Garage
This Home
$327,413
Median
$342,930

This home is -4.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,933 across all districts. With a homestead exemption claimed, that drops to $4,622 — saving $1,311 per year. That's $385 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

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$2,924
Williamson CountyCounty0.3694%$1,210
Meadows of Chandler Creek MUDMUD0.2849%$933
Austin Community Collegespecial0.1034%$339
Williamson County ESD #9 - Round RockESD0.0999%$327
Williamson County FM/RdCounty0.0443%$145
Upper Brushy Creek WCIDWater0.0170%$56
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8121%$5,933

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $304,172 would pay approximately $1,899 per month (principal and interest only, excluding taxes and insurance).

Data sourced from Williamson County Appraisal District (WCAD), Texas Education Agency (TEA), and Federal Reserve Economic Data (FRED). Assessment values reflect the appraisal district's estimate, not market sale prices. Report generated 4/18/2026.

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