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8519 COLUMBIA FALLS DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,754 sqftBuilt 1992

Property at a Glance

This home is estimated between $346,521 and $698,769, with a best estimate of $624,779. 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

$346,521 $698,769
Best Estimate
$624,779
WCAD Value
$378,435
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 $346,521 and $698,769. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

8518 COLUMBIA FALLS DR, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,348 sqft Built 1991
Raw Value $525,710
Adjusted Value $690,046

Adjusted +$162,396 for 406 sqft more living space and +$1,940 for being newer. Net adjustment: +$164,336.

8520 COLUMBIA FALLS DR, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,371 sqft Built 1988
Raw Value $463,824
Adjusted Value $624,779

Adjusted +$153,196 for 383 sqft more living space and +$7,759 for being newer. Net adjustment: +$160,955.

8516 COLUMBIA FALLS DR, ROUND ROCK, TX 78681
0.04 mi 100% similar Same subdivision
4 bed 2 bath 1,404 sqft Built 1988
Raw Value $551,013
Adjusted Value $698,769

Adjusted +$139,997 for 350 sqft more living space and +$7,759 for being newer. Net adjustment: +$147,756.

8509 COLUMBIA FALLS DR, ROUND ROCK, TX 78681
0.05 mi 100% similar Same subdivision
4 bed 2 bath 1,894 sqft Built 1988
Raw Value $394,761
Adjusted Value $346,521

Adjusted -$55,999 for 140 sqft less living space and +$7,759 for being newer. Net adjustment: -$48,240.

8510 COLUMBIA FALLS DR, ROUND ROCK, TX 78681
0.06 mi 100% similar Same subdivision
3 bed 2 bath 1,846 sqft Built 1990
Raw Value $398,844
Adjusted Value $363,200

Adjusted -$36,799 for 92 sqft less living space and +$3,880 for being newer and -$2,725 for no pool. Net adjustment: -$35,644.

The Neighborhood

This home is valued 16.6% 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
$378,435
Median
$453,749

This home is -16.6% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,461 across all districts. With a homestead exemption claimed, that drops to $5,141 — saving $1,320 per year. That's $428 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%$3,380
Williamson CountyCounty0.3694%$1,398
Fern Bluff MUDMUD0.1800%$681
Austin Community Collegespecial0.1034%$391
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$378
Williamson County FM/RdCounty0.0443%$168
Upper Brushy Creek WCIDWater0.0170%$64
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7073%$6,461

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $624,779 would pay approximately $3,900 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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