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6605 CALABRIA DR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath2,544 sqftBuilt 2019

Property at a Glance

This home is estimated between $413,178 and $532,494, with a best estimate of $445,054. That places the property above the H123414C - SIENA LIMMER LOOP median of $417,399, in a neighborhood that declined 2.7% over the past year.

Estimated Value Range

$413,178 $532,494
Best Estimate
$445,054
WCAD Value
$487,326
Low Confidence

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

There are 5 comparable properties within range, but few are in H123414C - SIENA LIMMER LOOP. The estimated range of $413,178 and $532,494 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 2,448 sqft Built 2017
Raw Value $421,647
Adjusted Value $445,054

Adjusted +$20,121 for 96 sqft more living space and +$3,286 for being newer. Net adjustment: +$23,407.

5866 CASSTELLO DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,791 sqft Built 2015
Raw Value $368,099
Adjusted Value $532,494

Adjusted +$157,822 for 753 sqft more living space and +$6,573 for being newer. Net adjustment: +$164,395.

6616 LEONARDO DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,740 sqft Built 2018
Raw Value $464,980
Adjusted Value $425,543

Adjusted -$41,080 for 196 sqft less living space and +$1,643 for being newer. Net adjustment: -$39,437.

3 bed 2 bath 2,685 sqft Built 2018
Raw Value $441,087
Adjusted Value $413,178

Adjusted -$29,552 for 141 sqft less living space and +$1,643 for being newer. Net adjustment: -$27,909.

3 bed 2 bath 2,208 sqft Built 2014
Raw Value $431,179
Adjusted Value $509,818

Adjusted +$70,423 for 336 sqft more living space and +$8,216 for being newer. Net adjustment: +$78,639.

The Neighborhood

This home is valued 16.8% above the H123414C - SIENA LIMMER LOOP median of $417,399. With 1,146 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 2.7% over the past year.

H123414C - SIENA LIMMER LOOP

above average
1,146 Properties
$417,399 Median Value
-2.7% YoY Change
0% Have Pool
100% Have Garage
This Home
$487,326
Median
$417,399

This home is +16.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $11,593 across all districts. With a homestead exemption claimed, that drops to $9,815 — saving $1,778 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

DistrictTypeRateAnnual Amount
Hutto ISDSchool1.2052%$5,873
Siena MUD #2MUD0.6020%$2,934
Williamson CountyCounty0.3694%$1,800
Williamson County ESD #3 - HuttoESD0.1000%$487
Williamson County FM/RdCounty0.0443%$216
EWC Higher Ed Centerspecial0.0409%$199
Upper Brushy Creek WCIDWater0.0170%$83
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.3788%$11,593

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $445,054 would pay approximately $2,778 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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