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3601 CARNOUSTY CV, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed3 bath2,186 sqftBuilt 2011

Property at a Glance

This home is estimated between $508,517 and $833,329, with a best estimate of $723,475. 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

$508,517 $833,329
Best Estimate
$723,475
WCAD Value
$741,490
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 $508,517 and $833,329. 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 $723,475

Adjusted +$8,396 for 24 sqft more living space and -$11,699 for being older. Net adjustment: -$3,303.

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 $508,517

Adjusted -$407,225 for 1,164 sqft less living space and -$8,774 for being older. Net adjustment: -$415,999.

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 $615,868

Adjusted -$249,443 for 713 sqft less living space and -$8,774 for being older. Net adjustment: -$258,217.

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 $833,329

Adjusted -$88,162 for 252 sqft less living space and +$4,387 for being newer. Net adjustment: -$83,775.

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 $726,041

Adjusted -$161,631 for 462 sqft less living space and +$5,850 for being newer. Net adjustment: -$155,781.

The Neighborhood

This home is valued 18.6% 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

below average
271 Properties
$910,927 Median Value
-3.1% YoY Change
1% Have Pool
99% Have Garage
This Home
$741,490
Median
$910,927

This home is -18.6% below the subdivision median.

Tax Analysis

The estimated annual property tax is $13,341 across all districts. With a homestead exemption claimed, that drops to $11,954 — saving $1,387 per year. That's $996 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%$6,622
Round RockCity0.3720%$2,758
Williamson CountyCounty0.3694%$2,739
Austin Community Collegespecial0.1034%$767
Williamson County FM/RdCounty0.0443%$329
Upper Brushy Creek WCIDWater0.0170%$126
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$13,341

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $723,475 would pay approximately $4,516 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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