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104 BINNACLE DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath2,088 sqftBuilt 2017

Property at a Glance

This home is estimated between $644,427 and $1,039,298, with a best estimate of $825,009. That places the property above the R302609C - HIGHLAND HORIZON median of $781,434, in a neighborhood that appreciated 2.3% over the past year.

Estimated Value Range

$644,427 $1,039,298
Best Estimate
$825,009
WCAD Value
$853,619
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R302609C - HIGHLAND HORIZON. The estimated range of $644,427 and $1,039,298 should be treated as a rough guide.

Comparable Properties (5)

4 bed 3 bath 1,916 sqft Built 2014
Raw Value $562,011
Adjusted Value $652,526

Adjusted +$53,204 for 172 sqft more living space and +$37,311 for being newer. Net adjustment: +$90,515.

4 bed 3 bath 1,916 sqft Built 2016
Raw Value $578,786
Adjusted Value $644,427

Adjusted +$53,204 for 172 sqft more living space and +$12,437 for being newer. Net adjustment: +$65,641.

4 bed 3 bath 1,811 sqft Built 2014
Raw Value $702,015
Adjusted Value $825,009

Adjusted +$85,683 for 277 sqft more living space and +$37,311 for being newer. Net adjustment: +$122,994.

4 bed 3 bath 2,219 sqft Built 2007
Raw Value $904,649
Adjusted Value $988,497

Adjusted -$40,521 for 131 sqft less living space and +$124,369 for being newer. Net adjustment: +$83,848.

4 bed 3 bath 2,154 sqft Built 2001
Raw Value $860,722
Adjusted Value $1,039,298

Adjusted -$20,415 for 66 sqft less living space and +$198,991 for being newer. Net adjustment: +$178,576.

The Neighborhood

This home is valued 9.2% above the R302609C - HIGHLAND HORIZON median of $781,434. With 399 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 2.3% over the past year.

R302609C - HIGHLAND HORIZON

typical
399 Properties
$781,434 Median Value
+2.3% YoY Change
0% Have Pool
100% Have Garage
This Home
$853,619
Median
$781,434

This home is +9.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $17,107 across all districts. With a homestead exemption claimed, that drops to $15,699 — saving $1,408 per year. That's $1,308 per month a buyer should budget. The assessed value increased +7.2% vs the subdivision average of +2.3%. This above-average increase gives a protest opportunity score of 45 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$7,624
Brushy Creek MUDMUD0.3868%$3,302
Williamson CountyCounty0.3694%$3,154
Austin Community Collegespecial0.1034%$883
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$854
Brushy Creek MUD Defined AreaMUD0.0900%$768
Williamson County FM/RdCounty0.0443%$378
Upper Brushy Creek WCIDWater0.0170%$145
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0041%$17,107
45 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $825,009 would pay approximately $5,150 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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