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3610 CARNOUSTY CV, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

5 bed4 bath2,222 sqftBuilt 2001

Property at a Glance

This home is estimated between $738,831 and $860,547, with a best estimate of $780,649. That places the property below the R549699C - Forest Creek Sec 14,20,21,26-30,33,34 median of $910,927, in a neighborhood that declined 3.1% over the past year.

Estimated Value Range

$738,831 $860,547
Best Estimate
$780,649
WCAD Value
$842,850
High Confidence

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

Based on 5 comparable properties in R549699C - Forest Creek Sec 14,20,21,26-30,33,34, this home's estimated market value is between $738,831 and $860,547. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3120 CARNOUSTY ST, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,162 sqft Built 2003
Raw Value $726,778
Adjusted Value $750,694

Adjusted +$20,991 for 60 sqft more living space and +$2,925 for being newer. Net adjustment: +$23,916.

3605 CARNOUSTY CV, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
5 bed 4 bath 2,526 sqft Built 2001
Raw Value $905,900
Adjusted Value $799,546

Adjusted -$106,354 for 304 sqft less living space. Net adjustment: -$106,354.

3115 CARNOUSTY ST, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
5 bed 5 bath 3,145 sqft Built 2004
Raw Value $1,099,173
Adjusted Value $780,649

Adjusted -$322,911 for 923 sqft less living space and +$4,387 for being newer. Net adjustment: -$318,524.

3104 CARNOUSTY ST, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
5 bed 4 bath 2,515 sqft Built 2001
Raw Value $841,337
Adjusted Value $738,831

Adjusted -$102,506 for 293 sqft less living space. Net adjustment: -$102,506.

3118 CARNOUSTY ST, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
5 bed 4 bath 2,438 sqft Built 2014
Raw Value $917,104
Adjusted Value $860,547

Adjusted -$75,568 for 216 sqft less living space and +$19,011 for being newer. Net adjustment: -$56,557.

The Neighborhood

This home is valued 7.5% below the R549699C - Forest Creek Sec 14,20,21,26-30,33,34 median of $910,927. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 3.1% over the past year.

R549699C - Forest Creek Sec 14,20,21,26-30,33,34

typical
271 Properties
$910,927 Median Value
-3.1% YoY Change
1% Have Pool
99% Have Garage
This Home
$842,850
Median
$910,927

This home is -7.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $15,165 across all districts. With a homestead exemption claimed, that drops to $13,759 — saving $1,406 per year. That's $1,147 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%$7,527
Round RockCity0.3720%$3,135
Williamson CountyCounty0.3694%$3,114
Austin Community Collegespecial0.1034%$872
Williamson County FM/RdCounty0.0443%$374
Upper Brushy Creek WCIDWater0.0170%$143
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$15,165

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $780,649 would pay approximately $4,873 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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