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4604 ERCOLANO LN, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

5 bed3 bath1,616 sqftBuilt 2022

Property at a Glance

This home is estimated between $310,169 and $588,174, with a best estimate of $408,060. 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

$310,169 $588,174
Best Estimate
$408,060
WCAD Value
$596,781
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 $310,169 and $588,174. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4600 ERCOLANO LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
5 bed 4 bath 2,266 sqft Built 2022
Raw Value $552,737
Adjusted Value $366,245

Adjusted -$186,492 for 650 sqft less living space. Net adjustment: -$186,492.

4609 TEVEROLA DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 1,808 sqft Built 2023
Raw Value $362,131
Adjusted Value $310,169

Adjusted -$55,087 for 192 sqft less living space and +$3,125 for being newer. Net adjustment: -$51,962.

4608 ERCOLANO LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,391 sqft Built 2022
Raw Value $523,619
Adjusted Value $588,174

Adjusted +$64,555 for 225 sqft more living space. Net adjustment: +$64,555.

4605 ARZANO LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,901 sqft Built 2023
Raw Value $516,704
Adjusted Value $438,059

Adjusted -$81,770 for 285 sqft less living space and +$3,125 for being newer. Net adjustment: -$78,645.

4609 ARZANO LN, ROUND ROCK, TX 78665
0.00 mi 99% similar Same subdivision
4 bed 2,227 sqft Built 2024
Raw Value $577,113
Adjusted Value $408,060

Adjusted -$175,303 for 611 sqft less living space and +$6,250 for being newer. Net adjustment: -$169,053.

The Neighborhood

This home is valued 43.2% above the H123421C - SALERNO median of $416,826. With 997 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 99.5% over the past year.

H123421C - SALERNO

above average
997 Properties
$416,826 Median Value
+99.5% YoY Change
0% Have Pool
100% Have Garage
This Home
$596,781
Median
$416,826

This home is +43.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $16,285 across all districts. With a homestead exemption claimed, that drops to $14,488 — saving $1,797 per year. That's $1,207 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%$7,192
Round Rock MUD #1MUD0.6800%$4,058
Round RockCity0.3720%$2,220
Williamson CountyCounty0.3694%$2,205
Williamson County FM/RdCounty0.0443%$265
EWC Higher Ed Centerspecial0.0409%$244
Upper Brushy Creek WCIDWater0.0170%$101
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.7288%$16,285

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $408,060 would pay approximately $2,547 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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