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8415 MOUNT SHASTA CV, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,464 sqftBuilt 1987

Property at a Glance

This home is estimated between $322,111 and $544,590, with a best estimate of $363,011. 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

$322,111 $544,590
Best Estimate
$363,011
WCAD Value
$487,878
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 $322,111 and $544,590. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

8413 MOUNT SHASTA CV, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,060 sqft Built 1988
Raw Value $384,934
Adjusted Value $544,590

Adjusted +$161,596 for 404 sqft more living space and -$1,940 for being older. Net adjustment: +$159,656.

8400 COLUMBIA FALLS DR, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,511 sqft Built 1989
Raw Value $344,791
Adjusted Value $322,111

Adjusted -$18,800 for 47 sqft less living space and -$3,880 for being older. Net adjustment: -$22,680.

8402 COLUMBIA FALLS DR, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,436 sqft Built 1989
Raw Value $355,691
Adjusted Value $363,011

Adjusted +$11,200 for 28 sqft more living space and -$3,880 for being older. Net adjustment: +$7,320.

8322 COLUMBIA FALLS DR, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,436 sqft Built 1989
Raw Value $344,194
Adjusted Value $351,514

Adjusted +$11,200 for 28 sqft more living space and -$3,880 for being older. Net adjustment: +$7,320.

8411 MOUNT SHASTA CV, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,144 sqft Built 1987
Raw Value $337,624
Adjusted Value $465,621

Adjusted +$127,997 for 320 sqft more living space. Net adjustment: +$127,997.

The Neighborhood

This home is valued 7.5% above the R270588F - Fern Bluff Sec 1,1A,1B,2,2 (AMD) median of $453,749. With 421 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 4.0% over the past year.

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

typical
421 Properties
$453,749 Median Value
-4.0% YoY Change
1% Have Pool
100% Have Garage
This Home
$487,878
Median
$453,749

This home is +7.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,329 across all districts. With a homestead exemption claimed, that drops to $6,989 — saving $1,340 per year. That's $582 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%$4,357
Williamson CountyCounty0.3694%$1,802
Fern Bluff MUDMUD0.1800%$878
Austin Community Collegespecial0.1034%$504
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$488
Williamson County FM/RdCounty0.0443%$216
Upper Brushy Creek WCIDWater0.0170%$83
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7073%$8,329

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $363,011 would pay approximately $2,266 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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