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2304 GIONA PL, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath2,807 sqftBuilt 2021

Property at a Glance

This home is estimated between $870,632 and $937,793, with a best estimate of $881,750. 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

$870,632 $937,793
Best Estimate
$881,750
WCAD Value
$760,562
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 $870,632 and $937,793. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

2316 GIONA PL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,598 sqft Built 2021
Raw Value $806,340
Adjusted Value $870,632

Adjusted +$64,292 for 209 sqft more living space. Net adjustment: +$64,292.

2332 GIONA PL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
5 bed 4 bath 2,429 sqft Built 2022
Raw Value $815,989
Adjusted Value $932,268

Adjusted +$116,279 for 378 sqft more living space. Net adjustment: +$116,279.

2340 GIONA PL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
5 bed 4 bath 2,502 sqft Built 2021
Raw Value $787,927
Adjusted Value $881,750

Adjusted +$93,823 for 305 sqft more living space. Net adjustment: +$93,823.

2328 GIONA PL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,247 sqft Built 2021
Raw Value $765,527
Adjusted Value $937,793

Adjusted +$172,266 for 560 sqft more living space. Net adjustment: +$172,266.

2348 GIONA PL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
5 bed 4 bath 2,552 sqft Built 2022
Raw Value $794,938
Adjusted Value $873,381

Adjusted +$78,443 for 255 sqft more living space. Net adjustment: +$78,443.

The Neighborhood

This home is valued 16.6% above the R440515C - VIZCAYA median of $652,212. With 585 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 0.6% over the past year.

R440515C - VIZCAYA

above average
585 Properties
$652,212 Median Value
-0.6% YoY Change
1% Have Pool
100% Have Garage
This Home
$760,562
Median
$652,212

This home is +16.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $13,685 across all districts. With a homestead exemption claimed, that drops to $12,294 — saving $1,391 per year. That's $1,025 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%$6,793
Round RockCity0.3720%$2,829
Williamson CountyCounty0.3694%$2,810
Austin Community Collegespecial0.1034%$786
Williamson County FM/RdCounty0.0443%$337
Upper Brushy Creek WCIDWater0.0170%$129
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$13,685

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $881,750 would pay approximately $5,504 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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