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217 GENNAKER DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath1,754 sqftBuilt 2016

Property at a Glance

This home is estimated between $528,675 and $923,546, with a best estimate of $709,258. 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

$528,675 $923,546
Best Estimate
$709,258
WCAD Value
$727,486
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 $528,675 and $923,546 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 $536,774

Adjusted -$50,111 for 162 sqft less living space and +$24,874 for being newer. Net adjustment: -$25,237.

4 bed 3 bath 1,916 sqft Built 2016
Raw Value $578,786
Adjusted Value $528,675

Adjusted -$50,111 for 162 sqft less living space. Net adjustment: -$50,111.

4 bed 3 bath 1,811 sqft Built 2014
Raw Value $702,015
Adjusted Value $709,258

Adjusted -$17,631 for 57 sqft less living space and +$24,874 for being newer. Net adjustment: +$7,243.

4 bed 3 bath 2,219 sqft Built 2007
Raw Value $904,649
Adjusted Value $872,746

Adjusted -$143,836 for 465 sqft less living space and +$111,933 for being newer. Net adjustment: -$31,903.

4 bed 3 bath 2,154 sqft Built 2001
Raw Value $860,722
Adjusted Value $923,546

Adjusted -$123,730 for 400 sqft less living space and +$186,554 for being newer. Net adjustment: +$62,824.

The Neighborhood

This home is valued 6.9% 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
$727,486
Median
$781,434

This home is -6.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $14,580 across all districts. With a homestead exemption claimed, that drops to $13,195 — saving $1,385 per year. That's $1,100 per month a buyer should budget. The assessed value increased +5.7% 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%$6,497
Brushy Creek MUDMUD0.3868%$2,814
Williamson CountyCounty0.3694%$2,688
Austin Community Collegespecial0.1034%$752
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$727
Brushy Creek MUD Defined AreaMUD0.0900%$655
Williamson County FM/RdCounty0.0443%$322
Upper Brushy Creek WCIDWater0.0170%$124
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0041%$14,580
32 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $709,258 would pay approximately $4,427 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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