2909 CASTELLAN LN, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $457,201 and $673,920, with a best estimate of $494,531. 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
$494,531
$474,354
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 $457,201 and $673,920. More comparables in the same subdivision would strengthen this estimate.
Comparable Properties (5)
Adjusted +$31,839 for 146 sqft more living space and -$30,631 for being older. Net adjustment: +$1,208.
Adjusted +$44,705 for 205 sqft more living space and -$21,879 for being older. Net adjustment: +$22,826.
Adjusted +$164,209 for 753 sqft more living space and -$17,503 for being older. Net adjustment: +$146,706.
Adjusted +$92,463 for 424 sqft more living space and -$17,503 for being older. Net adjustment: +$74,960.
Adjusted +$54,082 for 248 sqft more living space and +$48,134 for being newer. Net adjustment: +$102,216.
The Neighborhood
This home is valued 5.1% 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 -5.1% below the subdivision median.
Tax Analysis
The estimated annual property tax is $9,011 across all districts. With a homestead exemption claimed, that drops to $7,673 — saving $1,338 per year. That's $639 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% | $4,236 |
| Paloma Lakes MUD #1 | MUD | 0.3725% | $1,767 |
| Williamson County | County | 0.3694% | $1,752 |
| Austin Community College | special | 0.1034% | $490 |
| Williamson County ESD #9 - Round Rock | ESD | 0.0999% | $474 |
| Williamson County FM/Rd | County | 0.0443% | $210 |
| Upper Brushy Creek WCID | Water | 0.0170% | $81 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.8997% | $9,011 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $494,531 would pay approximately $3,087 per month (principal and interest only, excluding taxes and insurance).