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5002 HERCULANEUM LN, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,742 sqftBuilt 2025

Property at a Glance

This home is estimated between $434,856 and $605,709, with a best estimate of $528,976. That places the property above the H123421C - SALERNO median of $416,826, in a neighborhood that appreciated 99.5% over the past year.

Estimated Value Range

$434,856 $605,709
Best Estimate
$528,976
WCAD Value
$359,689
High Confidence

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

Based on 5 comparable properties in H123421C - SALERNO, this home's estimated market value is between $434,856 and $605,709. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

5010 HERCULANEUM LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
5 bed 3 bath 1,642 sqft Built 2025
Raw Value $500,285
Adjusted Value $528,976

Adjusted +$28,691 for 100 sqft more living space. Net adjustment: +$28,691.

5006 HERCULANEUM LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,762 sqft Built 2025
Raw Value $440,594
Adjusted Value $434,856

Adjusted -$5,738 for 20 sqft less living space. Net adjustment: -$5,738.

5005 MOZZAFIATO LN, ROUND ROCK, TX 78665
0.00 mi 99% similar Same subdivision
3 bed 2 bath 920 sqft Built 2025
Raw Value $369,868
Adjusted Value $605,709

Adjusted +$235,841 for 822 sqft more living space. Net adjustment: +$235,841.

5001 MOZZAFIATO LN, ROUND ROCK, TX 78665
0.00 mi 97% similar Same subdivision
4 bed 3 bath 1,298 sqft Built 2025
Raw Value $381,155
Adjusted Value $508,544

Adjusted +$127,389 for 444 sqft more living space. Net adjustment: +$127,389.

5009 MOZZAFIATO LN, ROUND ROCK, TX 78665
0.00 mi 95% similar Same subdivision
5 bed 3 bath 1,306 sqft Built 2025
Raw Value $435,606
Adjusted Value $560,699

Adjusted +$125,093 for 436 sqft more living space. Net adjustment: +$125,093.

The Neighborhood

This home is valued 13.7% below the H123421C - SALERNO median of $416,826. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 99.5% over the past year.

H123421C - SALERNO

typical
997 Properties
$416,826 Median Value
+99.5% YoY Change
0% Have Pool
100% Have Garage
This Home
$359,689
Median
$416,826

This home is -13.7% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,815 across all districts. With a homestead exemption claimed, that drops to $8,062 — saving $1,753 per year. That's $672 per month a buyer should budget. The assessed value increased +299.7% vs the subdivision average of +99.5%. This above-average increase gives a protest opportunity score of 100 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Hutto ISDSchool1.2052%$4,335
Round Rock MUD #1MUD0.6800%$2,446
Round RockCity0.3720%$1,338
Williamson CountyCounty0.3694%$1,329
Williamson County FM/RdCounty0.0443%$159
EWC Higher Ed Centerspecial0.0409%$147
Upper Brushy Creek WCIDWater0.0170%$61
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.7288%$9,815
100 / 100

There may be a strong case to protest this appraisal.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $528,976 would pay approximately $3,302 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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