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2505 PALAZZO EST, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath2,796 sqftBuilt 2018

Property at a Glance

This home is estimated between $617,858 and $953,084, with a best estimate of $858,519. That places the property above the R440515C - VIZCAYA median of $652,212, in a neighborhood that declined 0.6% over the past year.

Estimated Value Range

$617,858 $953,084
Best Estimate
$858,519
WCAD Value
$605,271
High Confidence

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

Based on 5 comparable properties in R440515C - VIZCAYA, this home's estimated market value is between $617,858 and $953,084. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

2417 PALAZZO EST, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,588 sqft Built 2019
Raw Value $794,535
Adjusted Value $858,519

Adjusted +$63,984 for 208 sqft more living space. Net adjustment: +$63,984.

2539 PALAZZO EST, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,549 sqft Built 2018
Raw Value $633,870
Adjusted Value $709,852

Adjusted +$75,982 for 247 sqft more living space. Net adjustment: +$75,982.

2306 PALAZZO CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,049 sqft Built 2019
Raw Value $720,737
Adjusted Value $950,527

Adjusted +$229,790 for 747 sqft more living space. Net adjustment: +$229,790.

2529 PALAZZO EST, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,075 sqft Built 2019
Raw Value $731,292
Adjusted Value $953,084

Adjusted +$221,792 for 721 sqft more living space. Net adjustment: +$221,792.

2528 PALAZZO EST, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,565 sqft Built 2018
Raw Value $546,798
Adjusted Value $617,858

Adjusted +$71,060 for 231 sqft more living space. Net adjustment: +$71,060.

The Neighborhood

This home is valued 7.2% below the R440515C - VIZCAYA median of $652,212. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 0.6% over the past year.

R440515C - VIZCAYA

typical
585 Properties
$652,212 Median Value
-0.6% YoY Change
1% Have Pool
100% Have Garage
This Home
$605,271
Median
$652,212

This home is -7.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $10,890 across all districts. With a homestead exemption claimed, that drops to $9,528 — saving $1,362 per year. That's $794 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%$5,406
Round RockCity0.3720%$2,252
Williamson CountyCounty0.3694%$2,236
Austin Community Collegespecial0.1034%$626
Williamson County FM/RdCounty0.0443%$268
Upper Brushy Creek WCIDWater0.0170%$103
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$10,890

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $858,519 would pay approximately $5,359 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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