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2527 PORTICI PASS, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath1,438 sqftBuilt 2020

Property at a Glance

This home is estimated between $421,283 and $569,296, with a best estimate of $535,219. That places the property below the R440515C - VIZCAYA median of $652,212, in a neighborhood that declined 0.6% over the past year.

Estimated Value Range

$421,283 $569,296
Best Estimate
$535,219
WCAD Value
$568,058
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 $421,283 and $569,296. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

2508 PORTICI PASS, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,027 sqft Built 2019
Raw Value $716,406
Adjusted Value $535,219

Adjusted -$181,187 for 589 sqft less living space. Net adjustment: -$181,187.

2515 PORTICI PASS, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,934 sqft Built 2018
Raw Value $721,874
Adjusted Value $569,296

Adjusted -$152,578 for 496 sqft less living space. Net adjustment: -$152,578.

2519 PORTICI PASS, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,324 sqft Built 2019
Raw Value $766,435
Adjusted Value $493,886

Adjusted -$272,549 for 886 sqft less living space. Net adjustment: -$272,549.

2507 PORTICI PASS, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
5 bed 3 bath 1,510 sqft Built 2020
Raw Value $569,070
Adjusted Value $546,922

Adjusted -$22,148 for 72 sqft less living space. Net adjustment: -$22,148.

2512 PORTICI PASS, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,052 sqft Built 2019
Raw Value $728,092
Adjusted Value $421,283

Adjusted -$188,877 for 614 sqft less living space and -$117,932 for no pool. Net adjustment: -$306,809.

The Neighborhood

This home is valued 12.9% 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
$568,058
Median
$652,212

This home is -12.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $10,221 across all districts. With a homestead exemption claimed, that drops to $8,866 — saving $1,355 per year. That's $739 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%$5,073
Round RockCity0.3720%$2,113
Williamson CountyCounty0.3694%$2,099
Austin Community Collegespecial0.1034%$587
Williamson County FM/RdCounty0.0443%$252
Upper Brushy Creek WCIDWater0.0170%$97
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$10,221

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $535,219 would pay approximately $3,341 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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