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

3834 RIARDO DR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath2,275 sqftBuilt 2022

Property at a Glance

This home is estimated between $309,456 and $628,319, with a best estimate of $419,289. 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

$309,456 $628,319
Best Estimate
$419,289
WCAD Value
$581,892
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 $309,456 and $628,319. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4132 RIARDO DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,896 sqft Built 2025
Raw Value $510,206
Adjusted Value $628,319

Adjusted +$108,739 for 379 sqft more living space and +$9,374 for being newer. Net adjustment: +$118,113.

3818 RIARDO DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,468 sqft Built 2022
Raw Value $474,663
Adjusted Value $419,289

Adjusted -$55,374 for 193 sqft less living space. Net adjustment: -$55,374.

4030 RIARDO DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,665 sqft Built 2025
Raw Value $125,066
Adjusted Value $309,456

Adjusted +$175,016 for 610 sqft more living space and +$9,374 for being newer. Net adjustment: +$184,390.

3916 RIARDO DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,722 sqft Built 2022
Raw Value $451,633
Adjusted Value $323,384

Adjusted -$128,249 for 447 sqft less living space. Net adjustment: -$128,249.

3826 RIARDO DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
5 bed 4 bath 2,275 sqft Built 2022
Raw Value $555,994
Adjusted Value $555,994

This comparable closely matches the subject property's features.

The Neighborhood

This home is valued 39.6% above the H123421C - SALERNO median of $416,826. With 997 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 99.5% over the past year.

H123421C - SALERNO

above average
997 Properties
$416,826 Median Value
+99.5% YoY Change
0% Have Pool
100% Have Garage
This Home
$581,892
Median
$416,826

This home is +39.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $15,879 across all districts. With a homestead exemption claimed, that drops to $14,084 — saving $1,795 per year. That's $1,174 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%$7,013
Round Rock MUD #1MUD0.6800%$3,957
Round RockCity0.3720%$2,165
Williamson CountyCounty0.3694%$2,150
Williamson County FM/RdCounty0.0443%$258
EWC Higher Ed Centerspecial0.0409%$238
Upper Brushy Creek WCIDWater0.0170%$99
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.7288%$15,879

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $419,289 would pay approximately $2,617 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