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

4474 ACERNO ST, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed2 bath1,340 sqftBuilt 2022

Property at a Glance

This home is estimated between $237,714 and $439,746, with a best estimate of $390,187. 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

$237,714 $439,746
Best Estimate
$390,187
WCAD Value
$377,159
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 $237,714 and $439,746. 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 $390,187

Adjusted +$6,025 for 21 sqft more living space. Net adjustment: +$6,025.

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 $439,746

Adjusted +$4,017 for 14 sqft more living space. Net adjustment: +$4,017.

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 $380,015

Adjusted -$3,125 for being older. Net adjustment: -$3,125.

4517 ACERNO ST, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,720 sqft Built 2022
Raw Value $346,740
Adjusted Value $237,714

Adjusted -$109,026 for 380 sqft less living space. Net adjustment: -$109,026.

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 $433,399

Adjusted -$3,156 for 11 sqft less living space. Net adjustment: -$3,156.

The Neighborhood

This home is valued 9.5% 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
$377,159
Median
$416,826

This home is -9.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $10,292 across all districts. With a homestead exemption claimed, that drops to $8,535 — saving $1,757 per year. That's $711 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%$4,546
Round Rock MUD #1MUD0.6800%$2,565
Round RockCity0.3720%$1,403
Williamson CountyCounty0.3694%$1,393
Williamson County FM/RdCounty0.0443%$167
EWC Higher Ed Centerspecial0.0409%$154
Upper Brushy Creek WCIDWater0.0170%$64
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.7288%$10,292

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $390,187 would pay approximately $2,436 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