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8401 MOUNT SHASTA CV, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,005 sqftBuilt 1987

Property at a Glance

This home is estimated between $280,439 and $500,077, with a best estimate of $450,409. That places the property below the R270588F - Fern Bluff Sec 1,1A,1B,2,2 (AMD) median of $453,749, in a neighborhood that declined 4.0% over the past year.

Estimated Value Range

$280,439 $500,077
Best Estimate
$450,409
WCAD Value
$359,635
High Confidence

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

Based on 5 comparable properties in R270588F - Fern Bluff Sec 1,1A,1B,2,2 (AMD), this home's estimated market value is between $280,439 and $500,077. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

8403 MOUNT SHASTA CV, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,055 sqft Built 1987
Raw Value $352,361
Adjusted Value $332,361

Adjusted -$20,000 for 50 sqft less living space. Net adjustment: -$20,000.

8314 COLUMBIA FALLS DR, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,151 sqft Built 1988
Raw Value $340,778
Adjusted Value $280,439

Adjusted -$58,399 for 146 sqft less living space and -$1,940 for being older. Net adjustment: -$60,339.

8313 COLUMBIA FALLS DR, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,024 sqft Built 1992
Raw Value $467,708
Adjusted Value $450,409

Adjusted -$7,600 for 19 sqft less living space and -$9,699 for being older. Net adjustment: -$17,299.

8400 MOUNT SHASTA CV, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,004 sqft Built 1992
Raw Value $480,289
Adjusted Value $470,990

Adjusted +$400 for 1 sqft more living space and -$9,699 for being older. Net adjustment: -$9,299.

8309 COLUMBIA FALLS DR, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 2 bath 981 sqft Built 1992
Raw Value $500,176
Adjusted Value $500,077

Adjusted +$9,600 for 24 sqft more living space and -$9,699 for being older. Net adjustment: -$99.

The Neighborhood

This home is valued 20.7% below the R270588F - Fern Bluff Sec 1,1A,1B,2,2 (AMD) median of $453,749. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 4.0% over the past year.

R270588F - Fern Bluff Sec 1,1A,1B,2,2 (AMD)

below average
421 Properties
$453,749 Median Value
-4.0% YoY Change
1% Have Pool
100% Have Garage
This Home
$359,635
Median
$453,749

This home is -20.7% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,140 across all districts. With a homestead exemption claimed, that drops to $4,823 — saving $1,317 per year. That's $402 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%$3,212
Williamson CountyCounty0.3694%$1,329
Fern Bluff MUDMUD0.1800%$647
Austin Community Collegespecial0.1034%$372
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$360
Williamson County FM/RdCounty0.0443%$159
Upper Brushy Creek WCIDWater0.0170%$61
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7073%$6,140

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $450,409 would pay approximately $2,811 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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