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3922 BLUE MONSTER CV, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed2 bath1,588 sqftBuilt 2003

Property at a Glance

This home is estimated between $372,049 and $586,896, with a best estimate of $498,671. That places the property below the R550600D - Forest Creek Sec 15,16,19,31 median of $514,276, in a neighborhood that declined 8.7% over the past year.

Estimated Value Range

$372,049 $586,896
Best Estimate
$498,671
WCAD Value
$526,090
High Confidence

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

Based on 5 comparable properties in R550600D - Forest Creek Sec 15,16,19,31, this home's estimated market value is between $372,049 and $586,896. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3900 BLUE MONSTER CV, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
5 bed 4 bath 1,608 sqft Built 2002
Raw Value $542,471
Adjusted Value $538,714

Adjusted -$5,722 for 20 sqft less living space and +$1,965 for being newer. Net adjustment: -$3,757.

3910 BLUE MONSTER CV, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,927 sqft Built 2002
Raw Value $467,074
Adjusted Value $372,049

Adjusted -$96,990 for 339 sqft less living space and +$1,965 for being newer. Net adjustment: -$95,025.

3923 BLUE MONSTER CV, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 1,599 sqft Built 2003
Raw Value $501,818
Adjusted Value $498,671

Adjusted -$3,147 for 11 sqft less living space. Net adjustment: -$3,147.

3904 BLUE MONSTER CV, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,830 sqft Built 2001
Raw Value $527,060
Adjusted Value $461,752

Adjusted -$69,238 for 242 sqft less living space and +$3,930 for being newer. Net adjustment: -$65,308.

3928 BLUE MONSTER CV, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,510 sqft Built 2003
Raw Value $564,580
Adjusted Value $586,896

Adjusted +$22,316 for 78 sqft more living space. Net adjustment: +$22,316.

The Neighborhood

This home is valued 2.3% above the R550600D - Forest Creek Sec 15,16,19,31 median of $514,276. With 274 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 8.7% over the past year.

R550600D - Forest Creek Sec 15,16,19,31

typical
274 Properties
$514,276 Median Value
-8.7% YoY Change
0% Have Pool
99% Have Garage
This Home
$526,090
Median
$514,276

This home is +2.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,466 across all districts. With a homestead exemption claimed, that drops to $8,118 — saving $1,348 per year. That's $677 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%$4,699
Round RockCity0.3720%$1,957
Williamson CountyCounty0.3694%$1,944
Austin Community Collegespecial0.1034%$544
Williamson County FM/RdCounty0.0443%$233
Upper Brushy Creek WCIDWater0.0170%$89
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$9,466

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $498,671 would pay approximately $3,113 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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