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

4025 RIARDO DR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed2,289 sqftBuilt 2025

Property at a Glance

This home is estimated between $427,106 and $716,998, with a best estimate of $539,601. 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

$427,106 $716,998
Best Estimate
$539,601
WCAD Value
$564,122
Medium Confidence

Based on 5 comparable properties(4 in the same subdivision)

Based on 5 comparable properties (4 in the same subdivision, 1 nearby), the estimated range is $427,106 and $716,998. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

4021 TORRACA LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,713 sqft Built 2025
Raw Value $346,735
Adjusted Value $511,996

Adjusted +$165,261 for 576 sqft more living space. Net adjustment: +$165,261.

4025 TORRACA LN, ROUND ROCK, TX 78665
0.00 mi 98% similar Same subdivision
3 bed 2 bath 1,595 sqft Built 2025
Raw Value $340,485
Adjusted Value $539,601

Adjusted +$199,116 for 694 sqft more living space. Net adjustment: +$199,116.

4024 TORRACA LN, ROUND ROCK, TX 78665
0.00 mi 97% similar Same subdivision
4 bed 3 bath 1,311 sqft Built 2025
Raw Value $436,399
Adjusted Value $716,998

Adjusted +$280,599 for 978 sqft more living space. Net adjustment: +$280,599.

3 bed 2 bath 2,314 sqft Built 2019
Raw Value $453,028
Adjusted Value $427,106

Adjusted -$7,173 for 25 sqft less living space and -$18,749 for being older. Net adjustment: -$25,922.

4045 TORRACA LN, ROUND ROCK, TX 78665
0.00 mi 97% similar Same subdivision
4 bed 2 bath 1,298 sqft Built 2025
Raw Value $376,552
Adjusted Value $660,881

Adjusted +$284,329 for 991 sqft more living space. Net adjustment: +$284,329.

The Neighborhood

This home is valued 35.3% 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
$564,122
Median
$416,826

This home is +35.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $15,394 across all districts. With a homestead exemption claimed, that drops to $13,603 — saving $1,791 per year. That's $1,134 per month a buyer should budget. The assessed value increased +1153.6% vs the subdivision average of +99.5%. This above-average increase gives a protest opportunity score of 100 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Hutto ISDSchool1.2052%$6,799
Round Rock MUD #1MUD0.6800%$3,836
Round RockCity0.3720%$2,099
Williamson CountyCounty0.3694%$2,084
Williamson County FM/RdCounty0.0443%$250
EWC Higher Ed Centerspecial0.0409%$231
Upper Brushy Creek WCIDWater0.0170%$96
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.7288%$15,394
100 / 100

There may be a strong case to protest this appraisal.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $539,601 would pay approximately $3,368 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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