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8402 MOUNT SHASTA CV, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,646 sqftBuilt 1991

Property at a Glance

This home is estimated between $332,171 and $596,514, with a best estimate of $555,687. That places the property above 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

$332,171 $596,514
Best Estimate
$555,687
WCAD Value
$371,092
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 $332,171 and $596,514. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

8404 MOUNT SHASTA CV, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,113 sqft Built 1987
Raw Value $334,733
Adjusted Value $555,687

Adjusted +$213,195 for 533 sqft more living space and +$7,759 for being newer. Net adjustment: +$220,954.

8403 MOUNT SHASTA CV, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,055 sqft Built 1987
Raw Value $352,361
Adjusted Value $596,514

Adjusted +$236,394 for 591 sqft more living space and +$7,759 for being newer. Net adjustment: +$244,153.

8408 MOUNT SHASTA CV, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,220 sqft Built 1987
Raw Value $381,511
Adjusted Value $559,666

Adjusted +$170,396 for 426 sqft more living space and +$7,759 for being newer. Net adjustment: +$178,155.

8307 COLUMBIA FALLS DR, ROUND ROCK, TX 78681
0.04 mi 100% similar Same subdivision
3 bed 2 bath 1,820 sqft Built 1992
Raw Value $416,435
Adjusted Value $344,897

Adjusted -$69,598 for 174 sqft less living space and -$1,940 for being older. Net adjustment: -$71,538.

8311 COLUMBIA FALLS DR, ROUND ROCK, TX 78681
0.05 mi 100% similar Same subdivision
3 bed 2 bath 1,776 sqft Built 1991
Raw Value $384,170
Adjusted Value $332,171

Adjusted -$51,999 for 130 sqft less living space. Net adjustment: -$51,999.

The Neighborhood

This home is valued 18.2% 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
$371,092
Median
$453,749

This home is -18.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,336 across all districts. With a homestead exemption claimed, that drops to $5,017 — saving $1,319 per year. That's $418 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%$3,314
Williamson CountyCounty0.3694%$1,371
Fern Bluff MUDMUD0.1800%$668
Austin Community Collegespecial0.1034%$384
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$371
Williamson County FM/RdCounty0.0443%$165
Upper Brushy Creek WCIDWater0.0170%$63
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7073%$6,336

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $555,687 would pay approximately $3,469 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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