509 CARINA DR, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $480,975 and $873,768, with a best estimate of $661,558. 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
$661,558
$844,883
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 $480,975 and $873,768 should be treated as a rough guide.
Comparable Properties (5)
Adjusted -$52,894 for 171 sqft less living space and +$12,437 for being newer. Net adjustment: -$40,457.
Adjusted -$85,374 for 276 sqft less living space and +$12,437 for being newer. Net adjustment: -$72,937.
Adjusted -$85,374 for 276 sqft less living space and -$12,437 for being older. Net adjustment: -$97,811.
Adjusted -$331,286 for 1,071 sqft less living space and -$12,437 for being older. Net adjustment: -$343,723.
Adjusted -$179,099 for 579 sqft less living space and +$99,496 for being newer. Net adjustment: -$79,603.
The Neighborhood
This home is valued 8.1% 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 +8.1% above the subdivision median.
Tax Analysis
The estimated annual property tax is $16,264 across all districts. With a homestead exemption claimed, that drops to $14,864 — saving $1,400 per year. That's $1,239 per month a buyer should budget. The assessed value increased +14.5% vs the subdivision average of +2.3%. This above-average increase gives a protest opportunity score of 85 out of 100 — it may be worth challenging the appraisal.
Tax Districts
| District | Type | Rate | Annual Amount |
|---|---|---|---|
| Round Rock ISD | School | 0.8931% | $7,248 |
| Brushy Creek MUD | MUD | 0.3868% | $3,139 |
| Williamson County | County | 0.3694% | $2,998 |
| Austin Community College | special | 0.1034% | $839 |
| Williamson County ESD #2 - Sam Bass VFD | ESD | 0.1000% | $812 |
| Brushy Creek MUD Defined Area | MUD | 0.0900% | $730 |
| Williamson County FM/Rd | County | 0.0443% | $360 |
| Upper Brushy Creek WCID | Water | 0.0170% | $138 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.0041% | $16,264 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $661,558 would pay approximately $4,129 per month (principal and interest only, excluding taxes and insurance).