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3616 CARNOUSTY CV, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed3 bath3,392 sqftBuilt 2014

Property at a Glance

This home is estimated between $786,975 and $1,143,572, with a best estimate of $926,049. That places the property above 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

$786,975 $1,143,572
Best Estimate
$926,049
WCAD Value
$784,417
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 $786,975 and $1,143,572. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3116 CARNOUSTY ST, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 3,350 sqft Built 2005
Raw Value $924,516
Adjusted Value $926,049

Adjusted +$14,694 for 42 sqft more living space and -$13,161 for being older. Net adjustment: +$1,533.

3114 CARNOUSTY ST, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,899 sqft Built 2005
Raw Value $874,085
Adjusted Value $1,033,400

Adjusted +$172,476 for 493 sqft more living space and -$13,161 for being older. Net adjustment: +$159,315.

3103 CARNOUSTY ST, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 3,282 sqft Built 2013
Raw Value $760,122
Adjusted Value $797,143

Adjusted +$38,483 for 110 sqft more living space and -$1,462 for being older. Net adjustment: +$37,021.

3110 CARNOUSTY ST, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 4 bath 3,577 sqft Built 2011
Raw Value $856,084
Adjusted Value $786,975

Adjusted -$64,722 for 185 sqft less living space and -$4,387 for being older. Net adjustment: -$69,109.

3619 CARNOUSTY CV, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
5 bed 4 bath 2,648 sqft Built 2015
Raw Value $881,822
Adjusted Value $1,143,572

Adjusted +$260,288 for 744 sqft more living space and +$1,462 for being newer. Net adjustment: +$261,750.

The Neighborhood

This home is valued 13.9% 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
$784,417
Median
$910,927

This home is -13.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $14,114 across all districts. With a homestead exemption claimed, that drops to $12,719 — saving $1,395 per year. That's $1,060 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%$7,006
Round RockCity0.3720%$2,918
Williamson CountyCounty0.3694%$2,898
Austin Community Collegespecial0.1034%$811
Williamson County FM/RdCounty0.0443%$348
Upper Brushy Creek WCIDWater0.0170%$133
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$14,114

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $926,049 would pay approximately $5,780 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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