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

4525 ACERNO ST, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath1,145 sqftBuilt 2022

Property at a Glance

This home is estimated between $321,211 and $383,798, with a best estimate of $334,239. 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

$321,211 $383,798
Best Estimate
$334,239
WCAD Value
$387,900
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 $321,211 and $383,798. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4418 ACERNO ST, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,319 sqft Built 2022
Raw Value $384,162
Adjusted Value $334,239

Adjusted -$49,923 for 174 sqft less living space. Net adjustment: -$49,923.

4453 ACERNO ST, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
5 bed 3 bath 1,326 sqft Built 2022
Raw Value $435,729
Adjusted Value $383,798

Adjusted -$51,931 for 181 sqft less living space. Net adjustment: -$51,931.

4465 ACERNO ST, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,340 sqft Built 2021
Raw Value $383,140
Adjusted Value $324,067

Adjusted -$55,948 for 195 sqft less living space and -$3,125 for being older. Net adjustment: -$59,073.

4474 ACERNO ST, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,340 sqft Built 2022
Raw Value $377,159
Adjusted Value $321,211

Adjusted -$55,948 for 195 sqft less living space. Net adjustment: -$55,948.

4437 ACERNO ST, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,351 sqft Built 2022
Raw Value $436,555
Adjusted Value $377,451

Adjusted -$59,104 for 206 sqft less living space. Net adjustment: -$59,104.

The Neighborhood

This home is valued 6.9% 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
$387,900
Median
$416,826

This home is -6.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $10,585 across all districts. With a homestead exemption claimed, that drops to $8,826 — saving $1,759 per year. That's $736 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%$4,675
Round Rock MUD #1MUD0.6800%$2,638
Round RockCity0.3720%$1,443
Williamson CountyCounty0.3694%$1,433
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%$10,585

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $334,239 would pay approximately $2,086 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