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102 GRAND ISLE DR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath2,407 sqftBuilt 2001

Property at a Glance

This home is estimated between $375,977 and $487,954, with a best estimate of $439,107. That places the property above the R434598G - Chandler Creek median of $342,930, in a neighborhood that declined 6.7% over the past year.

Estimated Value Range

$375,977 $487,954
Best Estimate
$439,107
WCAD Value
$371,440
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 $375,977 and $487,954. 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 $375,977

Adjusted +$21,417 for 114 sqft more living space and +$231 for being newer. Net adjustment: +$21,648.

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 $442,279

Adjusted +$111,784 for 595 sqft more living space and +$231 for being newer. Net adjustment: +$112,015.

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 $487,954

Adjusted +$108,214 for 576 sqft more living space and +$461 for being newer. Net adjustment: +$108,675.

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 $413,810

Adjusted +$111,784 for 595 sqft more living space and +$231 for being newer and -$31,736 for no pool. Net adjustment: +$80,279.

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 $439,107

Adjusted +$111,220 for 592 sqft more living space and +$231 for being newer. Net adjustment: +$111,451.

The Neighborhood

This home is valued 8.3% 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

typical
709 Properties
$342,930 Median Value
-6.7% YoY Change
1% Have Pool
100% Have Garage
This Home
$371,440
Median
$342,930

This home is +8.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,731 across all districts. With a homestead exemption claimed, that drops to $5,412 — saving $1,319 per year. That's $451 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%$3,317
Williamson CountyCounty0.3694%$1,372
Meadows of Chandler Creek MUDMUD0.2849%$1,058
Austin Community Collegespecial0.1034%$384
Williamson County ESD #9 - Round RockESD0.0999%$371
Williamson County FM/RdCounty0.0443%$165
Upper Brushy Creek WCIDWater0.0170%$63
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8121%$6,731

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $439,107 would pay approximately $2,741 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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