Beta Williamson County, TX only — data and coverage are limited during early access.

5005 MOZZAFIATO LN, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath920 sqftBuilt 2025

Property at a Glance

This home is estimated between $123,848 and $487,709, with a best estimate of $272,703. 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

$123,848 $487,709
Best Estimate
$272,703
WCAD Value
$369,868
Medium Confidence

Based on 5 comparable properties(4 in the same subdivision)

Based on 5 comparable properties (4 in the same subdivision, 1 nearby), the estimated range is $123,848 and $487,709. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

5002 HERCULANEUM LN, ROUND ROCK, TX 78665
0.00 mi 99% similar Same subdivision
3 bed 2 bath 1,742 sqft Built 2025
Raw Value $359,689
Adjusted Value $123,848

Adjusted -$235,841 for 822 sqft less living space. Net adjustment: -$235,841.

3 bed 2 bath 749 sqft Built 2023
Raw Value $444,897
Adjusted Value $487,709

Adjusted +$49,062 for 171 sqft more living space and -$6,250 for being older. Net adjustment: +$42,812.

5001 MOZZAFIATO LN, ROUND ROCK, TX 78665
0.00 mi 96% similar Same subdivision
4 bed 3 bath 1,298 sqft Built 2025
Raw Value $381,155
Adjusted Value $272,703

Adjusted -$108,452 for 378 sqft less living space. Net adjustment: -$108,452.

5009 MOZZAFIATO LN, ROUND ROCK, TX 78665
0.00 mi 94% similar Same subdivision
5 bed 3 bath 1,306 sqft Built 2025
Raw Value $435,606
Adjusted Value $324,858

Adjusted -$110,748 for 386 sqft less living space. Net adjustment: -$110,748.

5006 HERCULANEUM LN, ROUND ROCK, TX 78665
0.00 mi 90% similar Same subdivision
4 bed 3 bath 1,762 sqft Built 2025
Raw Value $440,594
Adjusted Value $199,015

Adjusted -$241,579 for 842 sqft less living space. Net adjustment: -$241,579.

The Neighborhood

This home is valued 11.3% 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
$369,868
Median
$416,826

This home is -11.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $10,093 across all districts. With a homestead exemption claimed, that drops to $8,338 — saving $1,755 per year. That's $695 per month a buyer should budget. The assessed value increased +311.0% 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%$4,458
Round Rock MUD #1MUD0.6800%$2,515
Round RockCity0.3720%$1,376
Williamson CountyCounty0.3694%$1,366
Williamson County FM/RdCounty0.0443%$164
EWC Higher Ed Centerspecial0.0409%$151
Upper Brushy Creek WCIDWater0.0170%$63
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.7288%$10,093
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 $272,703 would pay approximately $1,702 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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