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144 GENNAKER DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath1,967 sqftBuilt 2016

Property at a Glance

This home is estimated between $594,562 and $989,432, with a best estimate of $775,144. 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

$594,562 $989,432
Best Estimate
$775,144
WCAD Value
$754,613
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 $594,562 and $989,432 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 $602,661

Adjusted +$15,776 for 51 sqft more living space and +$24,874 for being newer. Net adjustment: +$40,650.

4 bed 3 bath 1,916 sqft Built 2016
Raw Value $578,786
Adjusted Value $594,562

Adjusted +$15,776 for 51 sqft more living space. Net adjustment: +$15,776.

4 bed 3 bath 1,811 sqft Built 2014
Raw Value $702,015
Adjusted Value $775,144

Adjusted +$48,255 for 156 sqft more living space and +$24,874 for being newer. Net adjustment: +$73,129.

4 bed 3 bath 2,219 sqft Built 2007
Raw Value $904,649
Adjusted Value $938,632

Adjusted -$77,950 for 252 sqft less living space and +$111,933 for being newer. Net adjustment: +$33,983.

4 bed 3 bath 2,154 sqft Built 2001
Raw Value $860,722
Adjusted Value $989,432

Adjusted -$57,844 for 187 sqft less living space and +$186,554 for being newer. Net adjustment: +$128,710.

The Neighborhood

This home is valued 3.4% 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
$754,613
Median
$781,434

This home is -3.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $15,123 across all districts. With a homestead exemption claimed, that drops to $13,734 — saving $1,389 per year. That's $1,145 per month a buyer should budget. The assessed value increased +6.3% vs the subdivision average of +2.3%. This above-average increase gives a protest opportunity score of 35 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$6,739
Brushy Creek MUDMUD0.3868%$2,919
Williamson CountyCounty0.3694%$2,788
Austin Community Collegespecial0.1034%$780
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$755
Brushy Creek MUD Defined AreaMUD0.0900%$679
Williamson County FM/RdCounty0.0443%$335
Upper Brushy Creek WCIDWater0.0170%$128
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0041%$15,123
35 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $775,144 would pay approximately $4,838 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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