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8514 COLUMBIA FALLS DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath996 sqftBuilt 1991

Property at a Glance

This home is estimated between $384,913 and $488,356, with a best estimate of $480,194. 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

$384,913 $488,356
Best Estimate
$480,194
WCAD Value
$474,039
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 $384,913 and $488,356. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

8512 COLUMBIA FALLS DR, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 2 bath 996 sqft Built 1991
Raw Value $482,322
Adjusted Value $482,322

This comparable closely matches the subject property's features.

8516 COLUMBIA FALLS DR, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 2 bath 1,404 sqft Built 1988
Raw Value $551,013
Adjusted Value $393,637

Adjusted -$163,196 for 408 sqft less living space and +$5,820 for being newer. Net adjustment: -$157,376.

8515 COLUMBIA FALLS DR, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
3 bed 2 bath 916 sqft Built 1991
Raw Value $448,195
Adjusted Value $480,194

Adjusted +$31,999 for 80 sqft more living space. Net adjustment: +$31,999.

8518 COLUMBIA FALLS DR, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
4 bed 2 bath 1,348 sqft Built 1991
Raw Value $525,710
Adjusted Value $384,913

Adjusted -$140,797 for 352 sqft less living space. Net adjustment: -$140,797.

8513 COLUMBIA FALLS DR, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,114 sqft Built 1987
Raw Value $527,796
Adjusted Value $488,356

Adjusted -$47,199 for 118 sqft less living space and +$7,759 for being newer. Net adjustment: -$39,440.

The Neighborhood

This home is valued 4.5% 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
$474,039
Median
$453,749

This home is +4.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,093 across all districts. With a homestead exemption claimed, that drops to $6,755 — saving $1,338 per year. That's $563 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%$4,234
Williamson CountyCounty0.3694%$1,751
Fern Bluff MUDMUD0.1800%$853
Austin Community Collegespecial0.1034%$490
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$474
Williamson County FM/RdCounty0.0443%$210
Upper Brushy Creek WCIDWater0.0170%$81
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7073%$8,093

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $480,194 would pay approximately $2,997 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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