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1100 COOL LAKE CV, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath2,606 sqftBuilt 2002

Property at a Glance

This home is estimated between $742,111 and $1,054,420, with a best estimate of $983,961. That places the property below the R570604B - LAKE FOREST - NORTH OF FOREST CREEK median of $993,997, in a neighborhood that appreciated 8.1% over the past year.

Estimated Value Range

$742,111 $1,054,420
Best Estimate
$983,961
WCAD Value
$997,734
High Confidence

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

Based on 5 comparable properties in R570604B - LAKE FOREST - NORTH OF FOREST CREEK, this home's estimated market value is between $742,111 and $1,054,420. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1103 COOL LAKE CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 4 bath 2,892 sqft Built 2003
Raw Value $1,074,384
Adjusted Value $983,961

Adjusted -$104,963 for 286 sqft less living space and +$14,540 for being newer. Net adjustment: -$90,423.

1106 COOL LAKE CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,330 sqft Built 2002
Raw Value $953,127
Adjusted Value $1,054,420

Adjusted +$101,293 for 276 sqft more living space. Net adjustment: +$101,293.

1102 COOL LAKE CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,508 sqft Built 2002
Raw Value $909,076
Adjusted Value $945,042

Adjusted +$35,966 for 98 sqft more living space. Net adjustment: +$35,966.

1101 COOL LAKE CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,078 sqft Built 2002
Raw Value $840,871
Adjusted Value $1,034,649

Adjusted +$193,778 for 528 sqft more living space. Net adjustment: +$193,778.

1104 COOL LAKE CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 3,233 sqft Built 2000
Raw Value $1,001,302
Adjusted Value $742,111

Adjusted -$230,111 for 627 sqft less living space and -$29,080 for being older. Net adjustment: -$259,191.

The Neighborhood

This home is in line with the R570604B - LAKE FOREST - NORTH OF FOREST CREEK median of $993,997. The neighborhood appreciated 8.1% over the past year.

R570604B - LAKE FOREST - NORTH OF FOREST CREEK

typical
127 Properties
$993,997 Median Value
+8.1% YoY Change
1% Have Pool
95% Have Garage
This Home
$997,734
Median
$993,997

This home is +0.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $17,791 across all districts. With a homestead exemption claimed, that drops to $16,358 — saving $1,433 per year. That's $1,363 per month a buyer should budget. The assessed value increased +11.0% vs the subdivision average of +8.1%. This above-average increase gives a protest opportunity score of 45 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$8,831
Round RockCity0.3720%$3,678
Williamson CountyCounty0.3694%$3,653
Austin Community Collegespecial0.1034%$1,022
Williamson County FM/RdCounty0.0443%$438
Upper Brushy Creek WCIDWater0.0170%$168
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$17,791
45 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $983,961 would pay approximately $6,142 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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