309 GENNAKER DR, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $490,255 and $885,126, with a best estimate of $670,837. 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
$670,837
$762,033
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 $490,255 and $885,126 should be treated as a rough guide.
Comparable Properties (5)
Adjusted -$76,094 for 246 sqft less living space and +$12,437 for being newer. Net adjustment: -$63,657.
Adjusted -$76,094 for 246 sqft less living space and -$12,437 for being older. Net adjustment: -$88,531.
Adjusted -$43,615 for 141 sqft less living space and +$12,437 for being newer. Net adjustment: -$31,178.
Adjusted -$169,819 for 549 sqft less living space and +$99,496 for being newer. Net adjustment: -$70,323.
Adjusted -$149,713 for 484 sqft less living space and +$174,117 for being newer. Net adjustment: +$24,404.
The Neighborhood
This home is valued 2.5% 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
typicalThis home is -2.5% below the subdivision median.
Tax Analysis
The estimated annual property tax is $15,272 across all districts. With a homestead exemption claimed, that drops to $13,881 — saving $1,391 per year. That's $1,157 per month a buyer should budget. The assessed value increased roughly in line with the neighborhood, so a tax protest is unlikely to yield significant savings.
Tax Districts
| District | Type | Rate | Annual Amount |
|---|---|---|---|
| Round Rock ISD | School | 0.8931% | $6,806 |
| Brushy Creek MUD | MUD | 0.3868% | $2,948 |
| Williamson County | County | 0.3694% | $2,815 |
| Austin Community College | special | 0.1034% | $788 |
| Williamson County ESD #2 - Sam Bass VFD | ESD | 0.1000% | $762 |
| Brushy Creek MUD Defined Area | MUD | 0.0900% | $686 |
| Williamson County FM/Rd | County | 0.0443% | $338 |
| Upper Brushy Creek WCID | Water | 0.0170% | $130 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.0041% | $15,272 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $670,837 would pay approximately $4,187 per month (principal and interest only, excluding taxes and insurance).