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2924 CASTELLAN LN, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

2 bed2 bath2,284 sqftBuilt 2014

Property at a Glance

This home is estimated between $454,086 and $633,736, with a best estimate of $487,587. 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

$454,086 $633,736
Best Estimate
$487,587
WCAD Value
$480,570
Low Confidence

Based on 5 comparable properties(2 in the same subdivision)

There are 5 comparable properties within range, but few are in R491507D - PALOMA LAKE PLANTATION, GRANDHAVEN. The estimated range of $454,086 and $633,736 should be treated as a rough guide.

Comparable Properties (5)

2908 CASTELLAN LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,332 sqft Built 2013
Raw Value $493,678
Adjusted Value $487,587

Adjusted -$10,467 for 48 sqft less living space and +$4,376 for being newer. Net adjustment: -$6,091.

3 bed 2 bath 1,912 sqft Built 2014
Raw Value $372,963
Adjusted Value $454,086

Adjusted +$81,123 for 372 sqft more living space. Net adjustment: +$81,123.

4 bed 3 bath 2,150 sqft Built 2014
Raw Value $476,090
Adjusted Value $505,312

Adjusted +$29,222 for 134 sqft more living space. Net adjustment: +$29,222.

2624 ESTEFANIA LN, ROUND ROCK, TX 78665
0.00 mi 85% similar Same subdivision
4 bed 2 bath 1,881 sqft Built 2010
Raw Value $528,350
Adjusted Value $633,736

Adjusted +$87,883 for 403 sqft more living space and +$17,503 for being newer. Net adjustment: +$105,386.

3 bed 2 bath 2,311 sqft Built 2010
Raw Value $469,313
Adjusted Value $480,928

Adjusted -$5,888 for 27 sqft less living space and +$17,503 for being newer. Net adjustment: +$11,615.

The Neighborhood

This home is valued 3.9% 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

typical
695 Properties
$499,831 Median Value
-1.7% YoY Change
1% Have Pool
100% Have Garage
This Home
$480,570
Median
$499,831

This home is -3.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,129 across all districts. With a homestead exemption claimed, that drops to $7,790 — saving $1,339 per year. That's $649 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

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$4,292
Paloma Lakes MUD #1MUD0.3725%$1,790
Williamson CountyCounty0.3694%$1,775
Austin Community Collegespecial0.1034%$497
Williamson County ESD #9 - Round RockESD0.0999%$480
Williamson County FM/RdCounty0.0443%$213
Upper Brushy Creek WCIDWater0.0170%$82
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8997%$9,129

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $487,587 would pay approximately $3,044 per month (principal and interest only, excluding taxes and insurance).

Data sourced from Williamson County Appraisal District (WCAD), Texas Education Agency (TEA), and Federal Reserve Economic Data (FRED). Assessment values reflect the appraisal district's estimate, not market sale prices. Report generated 4/18/2026.

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