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3817 TREVINO DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

5 bed4 bath3,439 sqftBuilt 1999

Property at a Glance

This home is estimated between $741,603 and $1,315,117, with a best estimate of $1,260,942. 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

$741,603 $1,315,117
Best Estimate
$1,260,942
WCAD Value
$1,202,564
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 $741,603 and $1,315,117. 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 $1,163,940

Adjusted +$141,514 for 394 sqft more living space. Net adjustment: +$141,514.

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 $1,260,942

Adjusted +$133,613 for 372 sqft more living space and +$117 for being newer. Net adjustment: +$133,730.

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 $741,603

Adjusted -$344,448 for 959 sqft less living space and +$117 for being newer. Net adjustment: -$344,331.

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 $1,315,117

Adjusted +$157,318 for 438 sqft more living space and +$117 for being newer. Net adjustment: +$157,435.

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 $1,305,088

Adjusted -$473,391 for 1,318 sqft less living space. Net adjustment: -$473,391.

The Neighborhood

This home is valued 8.7% 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

typical
64 Properties
$1,106,686 Median Value
+8.5% YoY Change
2% Have Pool
100% Have Garage
This Home
$1,202,564
Median
$1,106,686

This home is +8.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $21,385 across all districts. With a homestead exemption claimed, that drops to $19,915 — saving $1,470 per year. That's $1,660 per month a buyer should budget. The assessed value increased +11.3% vs the subdivision average of +8.5%. This above-average increase gives a protest opportunity score of 49 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$10,615
Round RockCity0.3720%$4,421
Williamson CountyCounty0.3694%$4,391
Austin Community Collegespecial0.1034%$1,229
Williamson County FM/RdCounty0.0443%$527
Upper Brushy Creek WCIDWater0.0170%$202
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$21,385
49 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,260,942 would pay approximately $7,871 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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