Beta Williamson County, TX only — data and coverage are limited during early access.

8317 COLUMBIA FALLS DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,006 sqftBuilt 1991

Property at a Glance

This home is estimated between $248,834 and $515,935, with a best estimate of $461,293. 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

$248,834 $515,935
Best Estimate
$461,293
WCAD Value
$389,730
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 $248,834 and $515,935. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

8315 COLUMBIA FALLS DR, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
3 bed 2 bath 828 sqft Built 1991
Raw Value $420,481
Adjusted Value $494,404

Adjusted +$71,198 for 178 sqft more living space and +$2,725 for having a pool. Net adjustment: +$73,923.

8319 COLUMBIA FALLS DR, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 2 bath 973 sqft Built 1992
Raw Value $501,950
Adjusted Value $515,935

Adjusted +$13,200 for 33 sqft more living space and -$1,940 for being older and +$2,725 for having a pool. Net adjustment: +$13,985.

8313 COLUMBIA FALLS DR, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
4 bed 2 bath 1,024 sqft Built 1992
Raw Value $467,708
Adjusted Value $461,293

Adjusted -$7,200 for 18 sqft less living space and -$1,940 for being older and +$2,725 for having a pool. Net adjustment: -$6,415.

8314 COLUMBIA FALLS DR, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,151 sqft Built 1988
Raw Value $340,778
Adjusted Value $291,324

Adjusted -$57,999 for 145 sqft less living space and +$5,820 for being newer and +$2,725 for having a pool. Net adjustment: -$49,454.

8316 COLUMBIA FALLS DR, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,288 sqft Built 1988
Raw Value $353,086
Adjusted Value $248,834

Adjusted -$112,797 for 282 sqft less living space and +$5,820 for being newer and +$2,725 for having a pool. Net adjustment: -$104,252.

The Neighborhood

This home is valued 14.1% 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
$389,730
Median
$453,749

This home is -14.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,654 across all districts. With a homestead exemption claimed, that drops to $5,331 — saving $1,323 per year. That's $444 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%$3,481
Williamson CountyCounty0.3694%$1,440
Fern Bluff MUDMUD0.1800%$702
Austin Community Collegespecial0.1034%$403
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$390
Williamson County FM/RdCounty0.0443%$173
Upper Brushy Creek WCIDWater0.0170%$66
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7073%$6,654

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $461,293 would pay approximately $2,879 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.

View full property details