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8305 COLUMBIA FALLS DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,026 sqftBuilt 1992

Property at a Glance

This home is estimated between $377,734 and $538,420, with a best estimate of $489,089. 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

$377,734 $538,420
Best Estimate
$489,089
WCAD Value
$478,124
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 $377,734 and $538,420. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

8309 COLUMBIA FALLS DR, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
4 bed 2 bath 981 sqft Built 1992
Raw Value $500,176
Adjusted Value $518,176

Adjusted +$18,000 for 45 sqft more living space. Net adjustment: +$18,000.

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 $489,089

Adjusted +$8,800 for 22 sqft more living space. Net adjustment: +$8,800.

17848 PARK VALLEY DR, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,004 sqft Built 1993
Raw Value $531,560
Adjusted Value $538,420

Adjusted +$8,800 for 22 sqft more living space and -$1,940 for being older. Net adjustment: +$6,860.

8313 COLUMBIA FALLS DR, ROUND ROCK, TX 78681
0.05 mi 100% similar Same subdivision
4 bed 2 bath 1,024 sqft Built 1992
Raw Value $467,708
Adjusted Value $468,508

Adjusted +$800 for 2 sqft more living space. Net adjustment: +$800.

8401 MOUNT SHASTA CV, ROUND ROCK, TX 78681
0.05 mi 100% similar Same subdivision
3 bed 2 bath 1,005 sqft Built 1987
Raw Value $359,635
Adjusted Value $377,734

Adjusted +$8,400 for 21 sqft more living space and +$9,699 for being newer. Net adjustment: +$18,099.

The Neighborhood

This home is valued 5.4% 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
$478,124
Median
$453,749

This home is +5.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,163 across all districts. With a homestead exemption claimed, that drops to $6,824 — saving $1,339 per year. That's $569 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%$4,270
Williamson CountyCounty0.3694%$1,766
Fern Bluff MUDMUD0.1800%$861
Austin Community Collegespecial0.1034%$494
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$478
Williamson County FM/RdCounty0.0443%$212
Upper Brushy Creek WCIDWater0.0170%$81
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7073%$8,163

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $489,089 would pay approximately $3,053 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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