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4540 AVELLINO DR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,144 sqftBuilt 2021

Property at a Glance

This home is estimated between $202,243 and $428,261, with a best estimate of $378,187. 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

$202,243 $428,261
Best Estimate
$378,187
WCAD Value
$388,659
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 $202,243 and $428,261. 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 $428,261

Adjusted +$55,661 for 194 sqft more living space and +$3,125 for being newer. Net adjustment: +$58,786.

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 $372,194

Adjusted -$59,391 for 207 sqft less living space. Net adjustment: -$59,391.

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 $389,088

Adjusted -$52,218 for 182 sqft less living space and +$3,125 for being newer. Net adjustment: -$49,093.

4512 AVELLINO DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,618 sqft Built 2022
Raw Value $335,114
Adjusted Value $202,243

Adjusted -$135,996 for 474 sqft less living space and +$3,125 for being newer. Net adjustment: -$132,871.

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 $378,187

Adjusted -$7,460 for 26 sqft less living space. Net adjustment: -$7,460.

The Neighborhood

This home is valued 6.8% 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
$388,659
Median
$416,826

This home is -6.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $10,606 across all districts. With a homestead exemption claimed, that drops to $8,847 — saving $1,759 per year. That's $737 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%$4,684
Round Rock MUD #1MUD0.6800%$2,643
Round RockCity0.3720%$1,446
Williamson CountyCounty0.3694%$1,436
Williamson County FM/RdCounty0.0443%$172
EWC Higher Ed Centerspecial0.0409%$159
Upper Brushy Creek WCIDWater0.0170%$66
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.7288%$10,606

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $378,187 would pay approximately $2,361 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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