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3815 TREVINO DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed4 bath3,504 sqftBuilt 1998

Property at a Glance

This home is estimated between $764,833 and $1,338,346, with a best estimate of $1,187,170. 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

$764,833 $1,338,346
Best Estimate
$1,187,170
WCAD Value
$1,137,201
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 $764,833 and $1,338,346. 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 $1,187,170

Adjusted +$164,861 for 459 sqft more living space and -$117 for being older. Net adjustment: +$164,744.

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 $784,800

Adjusted -$497,096 for 1,384 sqft less living space and -$117 for being older. Net adjustment: -$497,213.

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 $1,284,171

Adjusted +$156,959 for 437 sqft more living space. Net adjustment: +$156,959.

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 $764,833

Adjusted -$321,101 for 894 sqft less living space. Net adjustment: -$321,101.

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 $1,338,346

Adjusted +$180,664 for 503 sqft more living space. Net adjustment: +$180,664.

The Neighborhood

This home is valued 2.8% 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

typical
64 Properties
$1,106,686 Median Value
+8.5% YoY Change
2% Have Pool
100% Have Garage
This Home
$1,137,201
Median
$1,106,686

This home is +2.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $20,461 across all districts. With a homestead exemption claimed, that drops to $19,001 — saving $1,460 per year. That's $1,583 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%$10,156
Round RockCity0.3720%$4,230
Williamson CountyCounty0.3694%$4,201
Austin Community Collegespecial0.1034%$1,176
Williamson County FM/RdCounty0.0443%$504
Upper Brushy Creek WCIDWater0.0170%$193
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$20,461

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,187,170 would pay approximately $7,410 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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