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221 CARRACK DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath1,934 sqftBuilt 2016

Property at a Glance

This home is estimated between $584,354 and $979,225, with a best estimate of $764,936. That places the property below the R302609C - HIGHLAND HORIZON median of $781,434, in a neighborhood that appreciated 2.3% over the past year.

Estimated Value Range

$584,354 $979,225
Best Estimate
$764,936
WCAD Value
$719,114
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 $584,354 and $979,225 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 $592,453

Adjusted +$5,568 for 18 sqft more living space and +$24,874 for being newer. Net adjustment: +$30,442.

4 bed 3 bath 1,916 sqft Built 2016
Raw Value $578,786
Adjusted Value $584,354

Adjusted +$5,568 for 18 sqft more living space. Net adjustment: +$5,568.

4 bed 3 bath 1,811 sqft Built 2014
Raw Value $702,015
Adjusted Value $764,936

Adjusted +$38,047 for 123 sqft more living space and +$24,874 for being newer. Net adjustment: +$62,921.

4 bed 3 bath 2,219 sqft Built 2007
Raw Value $904,649
Adjusted Value $928,425

Adjusted -$88,157 for 285 sqft less living space and +$111,933 for being newer. Net adjustment: +$23,776.

4 bed 3 bath 2,154 sqft Built 2001
Raw Value $860,722
Adjusted Value $979,225

Adjusted -$68,051 for 220 sqft less living space and +$186,554 for being newer. Net adjustment: +$118,503.

The Neighborhood

This home is valued 8.0% below the R302609C - HIGHLAND HORIZON median of $781,434. That positions it competitively for buyers comparing within the neighborhood. 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
$719,114
Median
$781,434

This home is -8.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $14,412 across all districts. With a homestead exemption claimed, that drops to $13,029 — saving $1,383 per year. That's $1,086 per month a buyer should budget. The assessed value increased +5.6% vs the subdivision average of +2.3%. This above-average increase gives a protest opportunity score of 32 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$6,422
Brushy Creek MUDMUD0.3868%$2,782
Williamson CountyCounty0.3694%$2,657
Austin Community Collegespecial0.1034%$744
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$719
Brushy Creek MUD Defined AreaMUD0.0900%$647
Williamson County FM/RdCounty0.0443%$319
Upper Brushy Creek WCIDWater0.0170%$122
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0041%$14,412
32 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $764,936 would pay approximately $4,775 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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