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3800 TREVINO DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed4 bath3,171 sqftBuilt 1998

Property at a Glance

This home is estimated between $645,228 and $1,218,742, with a best estimate of $1,067,565. 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

$645,228 $1,218,742
Best Estimate
$1,067,565
WCAD Value
$1,123,867
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 $645,228 and $1,218,742. 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 $1,067,565

Adjusted +$45,256 for 126 sqft more living space and -$117 for being older. Net adjustment: +$45,139.

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 $1,164,566

Adjusted +$37,354 for 104 sqft more living space. Net adjustment: +$37,354.

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 $645,228

Adjusted -$440,706 for 1,227 sqft less living space. Net adjustment: -$440,706.

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 $1,218,742

Adjusted +$61,060 for 170 sqft more living space. Net adjustment: +$61,060.

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 $692,970

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

The Neighborhood

This home is valued 1.6% 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
$1,123,867
Median
$1,106,686

This home is +1.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $20,221 across all districts. With a homestead exemption claimed, that drops to $18,764 — saving $1,457 per year. That's $1,564 per month a buyer should budget. The assessed value increased +18.7% vs the subdivision average of +8.5%. This above-average increase gives a protest opportunity score of 95 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$10,037
Round RockCity0.3720%$4,181
Williamson CountyCounty0.3694%$4,152
Austin Community Collegespecial0.1034%$1,162
Williamson County FM/RdCounty0.0443%$498
Upper Brushy Creek WCIDWater0.0170%$191
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$20,221
95 / 100

There may be a strong case to protest this appraisal.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,067,565 would pay approximately $6,664 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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