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

1901 MEXIA DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,681 sqftBuilt 2018

Property at a Glance

This home is estimated between $304,699 and $419,750, with a best estimate of $388,761. That places the property below the R631414D - WARNER RANCH median of $436,007, in a neighborhood that declined 3.2% over the past year.

Estimated Value Range

$304,699 $419,750
Best Estimate
$388,761
WCAD Value
$415,011
High Confidence

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

Based on 5 comparable properties in R631414D - WARNER RANCH, this home's estimated market value is between $304,699 and $419,750. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1970 MEXIA DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,236 sqft Built 2017
Raw Value $448,197
Adjusted Value $304,699

Adjusted -$133,386 for 555 sqft less living space and -$10,112 for being older. Net adjustment: -$143,498.

1919 MEXIA DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,683 sqft Built 2018
Raw Value $420,231
Adjusted Value $419,750

Adjusted -$481 for 2 sqft less living space. Net adjustment: -$481.

1908 MEXIA DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,903 sqft Built 2018
Raw Value $442,115
Adjusted Value $388,761

Adjusted -$53,354 for 222 sqft less living space. Net adjustment: -$53,354.

1907 MEXIA DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,112 sqft Built 2018
Raw Value $485,253
Adjusted Value $381,669

Adjusted -$103,584 for 431 sqft less living space. Net adjustment: -$103,584.

1900 MEXIA DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,759 sqft Built 2017
Raw Value $418,676
Adjusted Value $389,818

Adjusted -$18,746 for 78 sqft less living space and -$10,112 for being older. Net adjustment: -$28,858.

The Neighborhood

This home is valued 4.8% below the R631414D - WARNER RANCH median of $436,007. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 3.2% over the past year.

R631414D - WARNER RANCH

typical
275 Properties
$436,007 Median Value
-3.2% YoY Change
0% Have Pool
97% Have Garage
This Home
$415,011
Median
$436,007

This home is -4.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,467 across all districts. With a homestead exemption claimed, that drops to $6,140 — saving $1,327 per year. That's $512 per month a buyer should budget. The assessed value increased +6.3% vs the subdivision average of -3.2%. This above-average increase gives a protest opportunity score of 53 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$3,706
Round RockCity0.3720%$1,544
Williamson CountyCounty0.3694%$1,533
Austin Community Collegespecial0.1034%$429
Williamson County FM/RdCounty0.0443%$184
Upper Brushy Creek WCIDWater0.0170%$71
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$7,467
53 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $388,761 would pay approximately $2,427 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