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8307 COLUMBIA FALLS DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,820 sqftBuilt 1992

Property at a Glance

This home is estimated between $403,710 and $732,921, with a best estimate of $573,640. 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

$403,710 $732,921
Best Estimate
$573,640
WCAD Value
$416,435
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 $403,710 and $732,921. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

8311 COLUMBIA FALLS DR, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,776 sqft Built 1991
Raw Value $384,170
Adjusted Value $403,710

Adjusted +$17,600 for 44 sqft more living space and +$1,940 for being newer. Net adjustment: +$19,540.

8402 MOUNT SHASTA CV, ROUND ROCK, TX 78681
0.04 mi 100% similar Same subdivision
3 bed 2 bath 1,646 sqft Built 1991
Raw Value $371,092
Adjusted Value $442,630

Adjusted +$69,598 for 174 sqft more living space and +$1,940 for being newer. Net adjustment: +$71,538.

8314 COLUMBIA FALLS DR, ROUND ROCK, TX 78681
0.06 mi 100% similar Same subdivision
3 bed 2 bath 1,151 sqft Built 1988
Raw Value $340,778
Adjusted Value $616,131

Adjusted +$267,594 for 669 sqft more living space and +$7,759 for being newer. Net adjustment: +$275,353.

17836 PARK VALLEY DR, ROUND ROCK, TX 78681
0.06 mi 100% similar Same subdivision
3 bed 2 bath 1,250 sqft Built 1989
Raw Value $499,106
Adjusted Value $732,921

Adjusted +$227,995 for 570 sqft more living space and +$5,820 for being newer. Net adjustment: +$233,815.

8316 COLUMBIA FALLS DR, ROUND ROCK, TX 78681
0.06 mi 100% similar Same subdivision
3 bed 2 bath 1,288 sqft Built 1988
Raw Value $353,086
Adjusted Value $573,640

Adjusted +$212,795 for 532 sqft more living space and +$7,759 for being newer. Net adjustment: +$220,554.

The Neighborhood

This home is valued 8.2% 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)

typical
421 Properties
$453,749 Median Value
-4.0% YoY Change
1% Have Pool
100% Have Garage
This Home
$416,435
Median
$453,749

This home is -8.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,110 across all districts. With a homestead exemption claimed, that drops to $5,782 — saving $1,328 per year. That's $482 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%$3,719
Williamson CountyCounty0.3694%$1,539
Fern Bluff MUDMUD0.1800%$750
Austin Community Collegespecial0.1034%$431
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$416
Williamson County FM/RdCounty0.0443%$185
Upper Brushy Creek WCIDWater0.0170%$71
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7073%$7,110

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $573,640 would pay approximately $3,581 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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