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

3802 TREVINO DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

5 bed4 bath4,757 sqftBuilt 1999

Property at a Glance

This home is estimated between $1,214,994 and $1,980,144, with a best estimate of $1,262,736. That places the property above the R546697B - Forest Creek, All Pitt median of $1,106,686, in a neighborhood that appreciated 8.5% over the past year.

Estimated Value Range

$1,214,994 $1,980,144
Best Estimate
$1,262,736
WCAD Value
$1,778,479
High Confidence

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

Based on 5 comparable properties in R546697B - Forest Creek, All Pitt, this home's estimated market value is between $1,214,994 and $1,980,144. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3808 TREVINO DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 4,888 sqft Built 1999
Raw Value $1,282,013
Adjusted Value $1,234,961

Adjusted -$47,052 for 131 sqft less living space. Net adjustment: -$47,052.

3811 TREVINO DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 4 bath 4,398 sqft Built 1998
Raw Value $1,085,934
Adjusted Value $1,214,994

Adjusted +$128,943 for 359 sqft more living space and +$117 for being newer. Net adjustment: +$129,060.

3809 TREVINO DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
5 bed 4 bath 3,001 sqft Built 1998
Raw Value $1,157,682
Adjusted Value $1,788,508

Adjusted +$630,709 for 1,756 sqft more living space and +$117 for being newer. Net adjustment: +$630,826.

3805 TREVINO DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
7 bed 6 bath 4,946 sqft Built 1999
Raw Value $2,048,028
Adjusted Value $1,980,144

Adjusted -$67,884 for 189 sqft less living space. Net adjustment: -$67,884.

3807 TREVINO DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 4 bath 4,065 sqft Built 1998
Raw Value $1,014,071
Adjusted Value $1,262,736

Adjusted +$248,548 for 692 sqft more living space and +$117 for being newer. Net adjustment: +$248,665.

The Neighborhood

This home is valued 60.7% above the R546697B - Forest Creek, All Pitt median of $1,106,686. With 64 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 8.5% over the past year.

R546697B - Forest Creek, All Pitt

outlier high
64 Properties
$1,106,686 Median Value
+8.5% YoY Change
2% Have Pool
100% Have Garage
This Home
$1,778,479
Median
$1,106,686

This home is +60.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $29,124 across all districts. With a homestead exemption claimed, that drops to $27,575 — saving $1,549 per year. That's $2,298 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
Round Rock ISDSchool0.8931%$14,456
Round RockCity0.3720%$6,021
Williamson CountyCounty0.3694%$5,980
Austin Community Collegespecial0.1034%$1,674
Williamson County FM/RdCounty0.0443%$718
Upper Brushy Creek WCIDWater0.0170%$275
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$29,124

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,262,736 would pay approximately $7,882 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