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8318 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 $344,194 and $537,270, with a best estimate of $456,715. 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

$344,194 $537,270
Best Estimate
$456,715
WCAD Value
$354,853
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 $344,194 and $537,270. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

8316 COLUMBIA FALLS DR, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,288 sqft Built 1988
Raw Value $353,086
Adjusted Value $414,225

Adjusted +$59,199 for 148 sqft more living space and +$1,940 for being newer. Net adjustment: +$61,139.

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 $456,715

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

8411 MOUNT SHASTA CV, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,144 sqft Built 1987
Raw Value $337,624
Adjusted Value $458,301

Adjusted +$116,797 for 292 sqft more living space and +$3,880 for being newer. Net adjustment: +$120,677.

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.

8413 MOUNT SHASTA CV, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,060 sqft Built 1988
Raw Value $384,934
Adjusted Value $537,270

Adjusted +$150,396 for 376 sqft more living space and +$1,940 for being newer. Net adjustment: +$152,336.

The Neighborhood

This home is valued 21.8% 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
$354,853
Median
$453,749

This home is -21.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,058 across all districts. With a homestead exemption claimed, that drops to $4,742 — saving $1,316 per year. That's $395 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%$3,169
Williamson CountyCounty0.3694%$1,311
Fern Bluff MUDMUD0.1800%$639
Austin Community Collegespecial0.1034%$367
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$355
Williamson County FM/RdCounty0.0443%$157
Upper Brushy Creek WCIDWater0.0170%$60
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7073%$6,058

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $456,715 would pay approximately $2,851 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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