2908 CASTELLAN LN, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $460,177 and $639,828, with a best estimate of $487,020. That places the property below the R491507D - PALOMA LAKE PLANTATION, GRANDHAVEN median of $499,831, in a neighborhood that declined 1.7% over the past year.
Estimated Value Range
$487,020
$493,678
Based on 5 comparable properties(1 in the same subdivision)
There are 5 comparable properties within range, but few are in R491507D - PALOMA LAKE PLANTATION, GRANDHAVEN. The estimated range of $460,177 and $639,828 should be treated as a rough guide.
Comparable Properties (5)
Adjusted +$91,590 for 420 sqft more living space and -$4,376 for being older. Net adjustment: +$87,214.
Adjusted +$39,689 for 182 sqft more living space and -$4,376 for being older. Net adjustment: +$35,313.
Adjusted +$4,580 for 21 sqft more living space and +$13,127 for being newer. Net adjustment: +$17,707.
Adjusted +$98,351 for 451 sqft more living space and +$13,127 for being newer. Net adjustment: +$111,478.
Adjusted -$10,467 for 48 sqft less living space and -$13,127 for being older. Net adjustment: -$23,594.
The Neighborhood
This home is valued 1.2% below the R491507D - PALOMA LAKE PLANTATION, GRANDHAVEN median of $499,831. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 1.7% over the past year.
R491507D - PALOMA LAKE PLANTATION, GRANDHAVEN
typicalThis home is -1.2% below the subdivision median.
Tax Analysis
The estimated annual property tax is $9,378 across all districts. With a homestead exemption claimed, that drops to $8,037 — saving $1,341 per year. That's $670 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% | $4,409 |
| Paloma Lakes MUD #1 | MUD | 0.3725% | $1,839 |
| Williamson County | County | 0.3694% | $1,824 |
| Austin Community College | special | 0.1034% | $510 |
| Williamson County ESD #9 - Round Rock | ESD | 0.0999% | $493 |
| Williamson County FM/Rd | County | 0.0443% | $219 |
| Upper Brushy Creek WCID | Water | 0.0170% | $84 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.8997% | $9,378 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $487,020 would pay approximately $3,040 per month (principal and interest only, excluding taxes and insurance).