128 GENNAKER DR, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $695,465 and $1,090,336, with a best estimate of $876,047. 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
$876,047
$882,543
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 $695,465 and $1,090,336 should be treated as a rough guide.
Comparable Properties (5)
Adjusted +$10,517 for 34 sqft more living space and +$124,369 for being newer. Net adjustment: +$134,886.
Adjusted +$104,242 for 337 sqft more living space and +$12,437 for being newer. Net adjustment: +$116,679.
Adjusted +$104,242 for 337 sqft more living space and +$37,311 for being newer. Net adjustment: +$141,553.
Adjusted +$30,623 for 99 sqft more living space and +$198,991 for being newer. Net adjustment: +$229,614.
Adjusted +$136,721 for 442 sqft more living space and +$37,311 for being newer. Net adjustment: +$174,032.
The Neighborhood
This home is valued 12.9% 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
typicalThis home is +12.9% above the subdivision median.
Tax Analysis
The estimated annual property tax is $16,883 across all districts. With a homestead exemption claimed, that drops to $15,477 — saving $1,406 per year. That's $1,290 per month a buyer should budget. The assessed value increased +15.2% vs the subdivision average of +2.3%. This above-average increase gives a protest opportunity score of 95 out of 100 — it may be worth challenging the appraisal.
Tax Districts
| District | Type | Rate | Annual Amount |
|---|---|---|---|
| Round Rock ISD | School | 0.8931% | $7,524 |
| Brushy Creek MUD | MUD | 0.3868% | $3,259 |
| Williamson County | County | 0.3694% | $3,112 |
| Austin Community College | special | 0.1034% | $871 |
| Williamson County ESD #2 - Sam Bass VFD | ESD | 0.1000% | $842 |
| Brushy Creek MUD Defined Area | MUD | 0.0900% | $758 |
| Williamson County FM/Rd | County | 0.0443% | $373 |
| Upper Brushy Creek WCID | Water | 0.0170% | $143 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.0041% | $16,883 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $876,047 would pay approximately $5,468 per month (principal and interest only, excluding taxes and insurance).