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3612 CARNOUSTY CV, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed3 bath2,992 sqftBuilt 2008

Property at a Glance

This home is estimated between $665,978 and $1,039,796, with a best estimate of $902,234. 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

$665,978 $1,039,796
Best Estimate
$902,234
WCAD Value
$995,248
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 $665,978 and $1,039,796. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3108 CARNOUSTY ST, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,748 sqft Built 2013
Raw Value $832,689
Adjusted Value $925,364

Adjusted +$85,363 for 244 sqft more living space and +$7,312 for being newer. Net adjustment: +$92,675.

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 $1,039,796

Adjusted -$53,527 for 153 sqft less living space and -$5,850 for being older. Net adjustment: -$59,377.

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 $794,883

Adjusted -$125,246 for 358 sqft less living space and -$4,387 for being older. Net adjustment: -$129,633.

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 $902,234

Adjusted +$32,536 for 93 sqft more living space and -$4,387 for being older. Net adjustment: +$28,149.

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 $665,978

Adjusted -$101,456 for 290 sqft less living space and +$7,312 for being newer. Net adjustment: -$94,144.

The Neighborhood

This home is valued 9.3% above the R549699C - Forest Creek Sec 14,20,21,26-30,33,34 median of $910,927. With 271 homes in the subdivision, the property sits in the upper tier. 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
$995,248
Median
$910,927

This home is +9.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $17,907 across all districts. With a homestead exemption claimed, that drops to $16,473 — saving $1,434 per year. That's $1,373 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%$8,889
Round RockCity0.3720%$3,702
Williamson CountyCounty0.3694%$3,677
Austin Community Collegespecial0.1034%$1,029
Williamson County FM/RdCounty0.0443%$441
Upper Brushy Creek WCIDWater0.0170%$169
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$17,907

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $902,234 would pay approximately $5,632 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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