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

3620 SORRISO LN, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed2,090 sqftBuilt 2023

Property at a Glance

This home is estimated between $307,528 and $631,637, with a best estimate of $546,865. 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

$307,528 $631,637
Best Estimate
$546,865
WCAD Value
$397,271
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 $307,528 and $631,637. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3647 SORRISO LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,584 sqft Built 2023
Raw Value $397,637
Adjusted Value $542,814

Adjusted +$145,177 for 506 sqft more living space. Net adjustment: +$145,177.

3624 SORRISO LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2,480 sqft Built 2023
Raw Value $419,423
Adjusted Value $307,528

Adjusted -$111,895 for 390 sqft less living space. Net adjustment: -$111,895.

3616 SORRISO LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 1,638 sqft Built 2023
Raw Value $496,482
Adjusted Value $626,166

Adjusted +$129,684 for 452 sqft more living space. Net adjustment: +$129,684.

3612 SORRISO LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,584 sqft Built 2023
Raw Value $401,688
Adjusted Value $546,865

Adjusted +$145,177 for 506 sqft more living space. Net adjustment: +$145,177.

3628 SORRISO LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 1,616 sqft Built 2023
Raw Value $495,641
Adjusted Value $631,637

Adjusted +$135,996 for 474 sqft more living space. Net adjustment: +$135,996.

The Neighborhood

This home is valued 4.7% 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
$397,271
Median
$416,826

This home is -4.7% below the subdivision median.

Tax Analysis

The estimated annual property tax is $10,841 across all districts. With a homestead exemption claimed, that drops to $9,080 — saving $1,761 per year. That's $757 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%$4,788
Round Rock MUD #1MUD0.6800%$2,701
Round RockCity0.3720%$1,478
Williamson CountyCounty0.3694%$1,468
Williamson County FM/RdCounty0.0443%$176
EWC Higher Ed Centerspecial0.0409%$162
Upper Brushy Creek WCIDWater0.0170%$68
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.7288%$10,841

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $546,865 would pay approximately $3,414 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