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8402 COLUMBIA FALLS DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,436 sqftBuilt 1989

Property at a Glance

This home is estimated between $259,211 and $480,558, with a best estimate of $344,194. 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

$259,211 $480,558
Best Estimate
$344,194
WCAD Value
$355,691
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 $259,211 and $480,558. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

8400 COLUMBIA FALLS DR, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,511 sqft Built 1989
Raw Value $344,791
Adjusted Value $314,792

Adjusted -$29,999 for 75 sqft less living space. Net adjustment: -$29,999.

8404 COLUMBIA FALLS DR, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,151 sqft Built 1988
Raw Value $338,104
Adjusted Value $454,041

Adjusted +$113,997 for 285 sqft more living space and +$1,940 for being newer. Net adjustment: +$115,937.

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

This comparable closely matches the subject property's features.

8415 MOUNT SHASTA CV, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,464 sqft Built 1987
Raw Value $487,878
Adjusted Value $480,558

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

8406 COLUMBIA FALLS DR, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,723 sqft Built 1991
Raw Value $377,888
Adjusted Value $259,211

Adjusted -$114,797 for 287 sqft less living space and -$3,880 for being older. Net adjustment: -$118,677.

The Neighborhood

This home is valued 21.6% 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
$355,691
Median
$453,749

This home is -21.6% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,073 across all districts. With a homestead exemption claimed, that drops to $4,757 — saving $1,316 per year. That's $396 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%$3,177
Williamson CountyCounty0.3694%$1,314
Fern Bluff MUDMUD0.1800%$640
Austin Community Collegespecial0.1034%$368
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$356
Williamson County FM/RdCounty0.0443%$158
Upper Brushy Creek WCIDWater0.0170%$60
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7073%$6,073

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $344,194 would pay approximately $2,148 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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