2913 CASTELLAN LN, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $497,917 and $684,605, with a best estimate of $629,988. That places the property above the R491507D - PALOMA LAKE PLANTATION, GRANDHAVEN median of $499,831, in a neighborhood that declined 1.7% over the past year.
Estimated Value Range
$629,988
$490,939
Based on 5 comparable properties(3 in the same subdivision)
Based on 5 comparable properties (3 in the same subdivision, 2 nearby), the estimated range is $497,917 and $684,605. More comparables in the same subdivision would strengthen this estimate.
Comparable Properties (5)
Adjusted +$10,686 for 49 sqft more living space. Net adjustment: +$10,686.
Adjusted +$55,390 for 254 sqft more living space and -$21,879 for being older. Net adjustment: +$33,511.
Adjusted +$42,524 for 195 sqft more living space and -$30,631 for being older. Net adjustment: +$11,893.
Adjusted +$202,153 for 927 sqft more living space and -$13,127 for being older. Net adjustment: +$189,026.
Adjusted +$174,894 for 802 sqft more living space and -$17,503 for being older. Net adjustment: +$157,391.
The Neighborhood
This home is valued 1.8% 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 -1.8% below the subdivision median.
Tax Analysis
The estimated annual property tax is $9,326 across all districts. With a homestead exemption claimed, that drops to $7,985 — saving $1,341 per year. That's $665 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% | $4,385 |
| Paloma Lakes MUD #1 | MUD | 0.3725% | $1,829 |
| Williamson County | County | 0.3694% | $1,814 |
| Austin Community College | special | 0.1034% | $508 |
| Williamson County ESD #9 - Round Rock | ESD | 0.0999% | $491 |
| Williamson County FM/Rd | County | 0.0443% | $218 |
| Upper Brushy Creek WCID | Water | 0.0170% | $83 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.8997% | $9,326 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $629,988 would pay approximately $3,932 per month (principal and interest only, excluding taxes and insurance).