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4512 AVELLINO DR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed2 bath1,618 sqftBuilt 2022

Property at a Glance

This home is estimated between $505,065 and $561,132, with a best estimate of $521,959. 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

$505,065 $561,132
Best Estimate
$521,959
WCAD Value
$335,114
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 $505,065 and $561,132. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4536 AVELLINO DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 950 sqft Built 2022
Raw Value $369,475
Adjusted Value $561,132

Adjusted +$191,657 for 668 sqft more living space. Net adjustment: +$191,657.

4520 AVELLINO DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,351 sqft Built 2021
Raw Value $431,585
Adjusted Value $505,065

Adjusted +$76,605 for 267 sqft more living space and -$3,125 for being older. Net adjustment: +$73,480.

4543 AVELLINO DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,326 sqft Built 2022
Raw Value $438,181
Adjusted Value $521,959

Adjusted +$83,778 for 292 sqft more living space. Net adjustment: +$83,778.

4500 AVELLINO DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,170 sqft Built 2021
Raw Value $385,647
Adjusted Value $511,058

Adjusted +$128,536 for 448 sqft more living space and -$3,125 for being older. Net adjustment: +$125,411.

4412 AVELLINO DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 950 sqft Built 2022
Raw Value $369,115
Adjusted Value $560,772

Adjusted +$191,657 for 668 sqft more living space. Net adjustment: +$191,657.

The Neighborhood

This home is valued 19.6% 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

below average
997 Properties
$416,826 Median Value
+99.5% YoY Change
0% Have Pool
100% Have Garage
This Home
$335,114
Median
$416,826

This home is -19.6% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,145 across all districts. With a homestead exemption claimed, that drops to $7,396 — saving $1,749 per year. That's $616 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%$4,039
Round Rock MUD #1MUD0.6800%$2,279
Round RockCity0.3720%$1,247
Williamson CountyCounty0.3694%$1,238
Williamson County FM/RdCounty0.0443%$149
EWC Higher Ed Centerspecial0.0409%$137
Upper Brushy Creek WCIDWater0.0170%$57
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.7288%$9,145

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $521,959 would pay approximately $3,258 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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