2936 CASTELLAN LN, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $463,558 and $659,934, with a best estimate of $533,860. 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
$533,860
$543,114
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 $463,558 and $659,934 should be treated as a rough guide.
Comparable Properties (5)
Adjusted +$4,580 for 21 sqft more living space and +$48,134 for being newer. Net adjustment: +$52,714.
Adjusted -$22,025 for 101 sqft less living space and +$26,255 for being newer. Net adjustment: +$4,230.
Adjusted +$105,329 for 483 sqft more living space and +$26,255 for being newer. Net adjustment: +$131,584.
Adjusted -$30,748 for 141 sqft less living space and +$21,879 for being newer. Net adjustment: -$8,869.
Adjusted -$31,402 for 144 sqft less living space and +$21,879 for being newer. Net adjustment: -$9,523.
The Neighborhood
This home is valued 8.7% 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
typicalThis home is +8.7% above the subdivision median.
Tax Analysis
The estimated annual property tax is $10,317 across all districts. With a homestead exemption claimed, that drops to $8,967 — saving $1,350 per year. That's $747 per month a buyer should budget. The assessed value increased +4.4% vs the subdivision average of -1.7%. This above-average increase gives a protest opportunity score of 31 out of 100 — it may be worth challenging the appraisal.
Tax Districts
| District | Type | Rate | Annual Amount |
|---|---|---|---|
| Round Rock ISD | School | 0.8931% | $4,851 |
| Paloma Lakes MUD #1 | MUD | 0.3725% | $2,023 |
| Williamson County | County | 0.3694% | $2,007 |
| Austin Community College | special | 0.1034% | $562 |
| Williamson County ESD #9 - Round Rock | ESD | 0.0999% | $543 |
| Williamson County FM/Rd | County | 0.0443% | $241 |
| Upper Brushy Creek WCID | Water | 0.0170% | $92 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.8997% | $10,317 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $533,860 would pay approximately $3,332 per month (principal and interest only, excluding taxes and insurance).