2928 CASTELLAN LN, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $352,261 and $548,578, with a best estimate of $403,486. 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
$403,486
$588,237
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 $352,261 and $548,578. More comparables in the same subdivision would strengthen this estimate.
Comparable Properties (5)
Adjusted -$11,776 for 54 sqft less living space and +$13,127 for being newer. Net adjustment: +$1,351.
Adjusted -$116,669 for 535 sqft less living space and +$8,752 for being newer. Net adjustment: -$107,917.
Adjusted -$76,980 for 353 sqft less living space and +$4,376 for being newer. Net adjustment: -$72,604.
Adjusted -$25,078 for 115 sqft less living space and +$4,376 for being newer. Net adjustment: -$20,702.
Adjusted -$18,318 for 84 sqft less living space and +$21,879 for being newer. Net adjustment: +$3,561.
The Neighborhood
This home is valued 17.7% above the R491507D - PALOMA LAKE PLANTATION, GRANDHAVEN median of $499,831. With 695 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 1.7% over the past year.
R491507D - PALOMA LAKE PLANTATION, GRANDHAVEN
above averageThis home is +17.7% above the subdivision median.
Tax Analysis
The estimated annual property tax is $11,175 across all districts. With a homestead exemption claimed, that drops to $9,816 — saving $1,359 per year. That's $818 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% | $5,254 |
| Paloma Lakes MUD #1 | MUD | 0.3725% | $2,191 |
| Williamson County | County | 0.3694% | $2,173 |
| Austin Community College | special | 0.1034% | $608 |
| Williamson County ESD #9 - Round Rock | ESD | 0.0999% | $588 |
| Williamson County FM/Rd | County | 0.0443% | $261 |
| Upper Brushy Creek WCID | Water | 0.0170% | $100 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.8997% | $11,175 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $403,486 would pay approximately $2,519 per month (principal and interest only, excluding taxes and insurance).