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

4547 AVELLINO DR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath950 sqftBuilt 2024

Property at a Glance

This home is estimated between $313,153 and $363,225, with a best estimate of $324,052. 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

$313,153 $363,225
Best Estimate
$324,052
WCAD Value
$371,718
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 $313,153 and $363,225. 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 $363,225

Adjusted -$6,250 for being older. Net adjustment: -$6,250.

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 $324,052

Adjusted -$107,879 for 376 sqft less living space and -$6,250 for being older. Net adjustment: -$114,129.

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 $313,153

Adjusted -$63,120 for 220 sqft less living space and -$9,374 for being older. Net adjustment: -$72,494.

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 $362,865

Adjusted -$6,250 for being older. Net adjustment: -$6,250.

4535 AVELLINO DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,326 sqft Built 2022
Raw Value $433,933
Adjusted Value $319,804

Adjusted -$107,879 for 376 sqft less living space and -$6,250 for being older. Net adjustment: -$114,129.

The Neighborhood

This home is valued 10.8% 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
$371,718
Median
$416,826

This home is -10.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $10,144 across all districts. With a homestead exemption claimed, that drops to $8,388 — saving $1,756 per year. That's $699 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%$4,480
Round Rock MUD #1MUD0.6800%$2,528
Round RockCity0.3720%$1,383
Williamson CountyCounty0.3694%$1,373
Williamson County FM/RdCounty0.0443%$165
EWC Higher Ed Centerspecial0.0409%$152
Upper Brushy Creek WCIDWater0.0170%$63
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.7288%$10,144

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $324,052 would pay approximately $2,023 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.

View full property details