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4914 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 $304,520 and $528,976, with a best estimate of $310,972. That places the property below the H123421C - SALERNO median of $416,826, in a neighborhood that appreciated 99.5% over the past year.

Estimated Value Range

$304,520 $528,976
Best Estimate
$310,972
WCAD Value
$354,661
Low Confidence

Based on 5 comparable properties(1 in the same subdivision)

There are 5 comparable properties within range, but few are in H123421C - SALERNO. The estimated range of $304,520 and $528,976 should be treated as a rough guide.

Comparable Properties (5)

4918 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.

3 bed 2 bath 1,887 sqft Built 2016
Raw Value $380,697
Adjusted Value $310,972

Adjusted -$41,602 for 145 sqft less living space and -$28,123 for being older. Net adjustment: -$69,725.

3 bed 2 bath 1,528 sqft Built 2018
Raw Value $334,847
Adjusted Value $374,372

Adjusted +$61,399 for 214 sqft more living space and -$21,874 for being older. Net adjustment: +$39,525.

3 bed 2 bath 1,649 sqft Built 2005
Raw Value $340,333
Adjusted Value $304,520

Adjusted +$26,683 for 93 sqft more living space and -$62,496 for being older. Net adjustment: -$35,813.

3 bed 2 bath 1,574 sqft Built 2007
Raw Value $318,980
Adjusted Value $310,935

Adjusted +$48,201 for 168 sqft more living space and -$56,246 for being older. Net adjustment: -$8,045.

The Neighborhood

This home is valued 14.9% 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
$354,661
Median
$416,826

This home is -14.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,678 across all districts. With a homestead exemption claimed, that drops to $7,925 — saving $1,753 per year. That's $660 per month a buyer should budget. The assessed value increased +294.1% 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%$4,274
Round Rock MUD #1MUD0.6800%$2,412
Round RockCity0.3720%$1,319
Williamson CountyCounty0.3694%$1,310
Williamson County FM/RdCounty0.0443%$157
EWC Higher Ed Centerspecial0.0409%$145
Upper Brushy Creek WCIDWater0.0170%$60
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.7288%$9,678
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 $310,972 would pay approximately $1,941 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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