3640 AQUAMARINE DR, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $352,931 and $1,382,733, with a best estimate of $1,044,028. That places the property above the R147606C - WALSH RANCH median of $933,667, in a neighborhood that declined 4.6% over the past year.
Estimated Value Range
$1,044,028
$876,882
Based on 5 comparable properties(1 in the same subdivision)
There are 5 comparable properties within range, but few are in R147606C - WALSH RANCH. The estimated range of $352,931 and $1,382,733 should be treated as a rough guide.
Comparable Properties (5)
Adjusted +$254,141 for 625 sqft more living space and -$13,895 for being older. Net adjustment: +$240,246.
Adjusted -$108,162 for 266 sqft less living space and -$111,161 for being older. Net adjustment: -$219,323.
Adjusted +$280,572 for 690 sqft more living space and -$97,266 for being older. Net adjustment: +$183,306.
Adjusted +$377,349 for 928 sqft more living space and +$83,371 for being newer. Net adjustment: +$460,720.
Adjusted +$54,081 for 133 sqft more living space and +$111,161 for being newer. Net adjustment: +$165,242.
The Neighborhood
This home is valued 6.1% below the R147606C - WALSH RANCH median of $933,667. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 4.6% over the past year.
R147606C - WALSH RANCH
typicalThis home is -6.1% below the subdivision median.
Tax Analysis
The estimated annual property tax is $16,422 across all districts. With a homestead exemption claimed, that drops to $15,010 — saving $1,412 per year. That's $1,251 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% | $7,831 |
| Williamson County | County | 0.3694% | $3,240 |
| Walsh Ranch MUD | MUD | 0.3455% | $3,030 |
| Austin Community College | special | 0.1034% | $907 |
| Williamson County ESD #2 - Sam Bass VFD | ESD | 0.1000% | $877 |
| Williamson County FM/Rd | County | 0.0443% | $389 |
| Upper Brushy Creek WCID | Water | 0.0170% | $149 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.8728% | $16,422 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $1,044,028 would pay approximately $6,517 per month (principal and interest only, excluding taxes and insurance).