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3821 TREVINO DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

5 bed4 bath2,778 sqftBuilt 1999

Property at a Glance

This home is estimated between $558,166 and $1,083,938, with a best estimate of $1,029,763. That places the property below 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

$558,166 $1,083,938
Best Estimate
$1,029,763
WCAD Value
$1,380,042
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 $558,166 and $1,083,938. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3804 TREVINO DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 3,045 sqft Built 1999
Raw Value $1,022,426
Adjusted Value $932,762

Adjusted -$95,899 for 267 sqft less living space and +$6,235 for having a pool. Net adjustment: -$89,664.

3819 TREVINO DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 3,067 sqft Built 1998
Raw Value $1,127,212
Adjusted Value $1,029,763

Adjusted -$103,801 for 289 sqft less living space and +$117 for being newer and +$6,235 for having a pool. Net adjustment: -$97,449.

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 $1,083,938

Adjusted -$80,096 for 223 sqft less living space and +$117 for being newer and +$6,235 for having a pool. Net adjustment: -$73,744.

3802 TREVINO DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
5 bed 4 bath 4,757 sqft Built 1999
Raw Value $1,778,479
Adjusted Value $1,073,909

Adjusted -$710,805 for 1,979 sqft less living space and +$6,235 for having a pool. Net adjustment: -$704,570.

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 $558,166

Adjusted -$462,257 for 1,287 sqft less living space and +$117 for being newer and +$6,235 for having a pool. Net adjustment: -$455,905.

The Neighborhood

This home is valued 24.7% 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

above average
64 Properties
$1,106,686 Median Value
+8.5% YoY Change
2% Have Pool
100% Have Garage
This Home
$1,380,042
Median
$1,106,686

This home is +24.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $20,950 across all districts. With a homestead exemption claimed, that drops to $19,485 — saving $1,465 per year. That's $1,624 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%$10,399
Round RockCity0.3720%$4,331
Williamson CountyCounty0.3694%$4,302
Austin Community Collegespecial0.1034%$1,204
Williamson County FM/RdCounty0.0443%$516
Upper Brushy Creek WCIDWater0.0170%$198
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$20,950

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,029,763 would pay approximately $6,428 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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