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8113 PORTO CV, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,856 sqftBuilt 2018

Property at a Glance

This home is estimated between $426,903 and $545,830, with a best estimate of $502,339. That places the property above the H121413C - SIENA median of $406,354, in a neighborhood that declined 5.4% over the past year.

Estimated Value Range

$426,903 $545,830
Best Estimate
$502,339
WCAD Value
$368,341
High Confidence

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

Based on 5 comparable properties in H121413C - SIENA, this home's estimated market value is between $426,903 and $545,830. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

8100 PORTO CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,614 sqft Built 2015
Raw Value $446,220
Adjusted Value $504,067

Adjusted +$51,161 for 242 sqft more living space and +$6,686 for being newer. Net adjustment: +$57,847.

8124 PORTO CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,600 sqft Built 2017
Raw Value $445,913
Adjusted Value $502,263

Adjusted +$54,121 for 256 sqft more living space and +$2,229 for being newer. Net adjustment: +$56,350.

8117 PORTO CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,405 sqft Built 2018
Raw Value $331,557
Adjusted Value $426,903

Adjusted +$95,346 for 451 sqft more living space. Net adjustment: +$95,346.

8116 PORTO CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,238 sqft Built 2016
Raw Value $410,722
Adjusted Value $545,830

Adjusted +$130,651 for 618 sqft more living space and +$4,457 for being newer. Net adjustment: +$135,108.

8112 PORTO CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,600 sqft Built 2017
Raw Value $445,989
Adjusted Value $502,339

Adjusted +$54,121 for 256 sqft more living space and +$2,229 for being newer. Net adjustment: +$56,350.

The Neighborhood

This home is valued 9.4% below the H121413C - SIENA median of $406,354. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 5.4% over the past year.

H121413C - SIENA

typical
1,611 Properties
$406,354 Median Value
-5.4% YoY Change
1% Have Pool
100% Have Garage
This Home
$368,341
Median
$406,354

This home is -9.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,478 across all districts. With a homestead exemption claimed, that drops to $6,723 — saving $1,755 per year. That's $560 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%$4,439
Siena MUD #1MUD0.5250%$1,934
Williamson CountyCounty0.3694%$1,361
Williamson County ESD #9 - Round RockESD0.0999%$368
Williamson County FM/RdCounty0.0443%$163
EWC Higher Ed Centerspecial0.0409%$151
Upper Brushy Creek WCIDWater0.0170%$63
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.3018%$8,478

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $502,339 would pay approximately $3,136 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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