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2100 CROSS CREEK TRL, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,218 sqftBuilt 1977

Property at a Glance

This home is estimated between $529,003 and $1,105,072, with a best estimate of $623,263. That places the property below the R103D76C-Abstracts-Great Oaks, Hairy Man, Sam Bass&620 Area median of $699,495, in a neighborhood that declined 4.6% over the past year.

Estimated Value Range

$529,003 $1,105,072
Best Estimate
$623,263
WCAD Value
$723,319
Medium Confidence

Based on 5 comparable properties(4 in the same subdivision)

Based on 5 comparable properties (4 in the same subdivision, 1 nearby), the estimated range is $529,003 and $1,105,072. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

2009 CROSS CREEK TRL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,506 sqft Built 1977
Raw Value $797,171
Adjusted Value $908,694

Adjusted -$113,848 for 288 sqft less living space and +$225,371 for having a pool. Net adjustment: +$111,523.

4 bed 2 bath 1,358 sqft Built 1978
Raw Value $935,044
Adjusted Value $1,105,072

Adjusted -$55,343 for 140 sqft less living space and +$225,371 for having a pool. Net adjustment: +$170,028.

2101 CROSS CREEK TRL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,186 sqft Built 1977
Raw Value $780,547
Adjusted Value $623,263

Adjusted -$382,655 for 968 sqft less living space and +$225,371 for having a pool. Net adjustment: -$157,284.

1900 CROSS CREEK TRL, ROUND ROCK, TX 78681
0.00 mi 97% similar Same subdivision
4 bed 2 bath 2,503 sqft Built 1977
Raw Value $1,091,620
Adjusted Value $583,654

Adjusted -$507,966 for 1,285 sqft less living space. Net adjustment: -$507,966.

1 TIFFANY TRL, ROUND ROCK, TX 78681
0.12 mi 97% similar Same subdivision
3 bed 2 bath 2,077 sqft Built 1977
Raw Value $643,198
Adjusted Value $529,003

Adjusted -$339,566 for 859 sqft less living space and +$225,371 for having a pool. Net adjustment: -$114,195.

The Neighborhood

This home is valued 3.4% above the R103D76C-Abstracts-Great Oaks, Hairy Man, Sam Bass&620 Area median of $699,495. With 73 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 4.6% over the past year.

R103D76C-Abstracts-Great Oaks, Hairy Man, Sam Bass&620 Area

typical
73 Properties
$699,495 Median Value
-4.6% YoY Change
10% Have Pool
51% Have Garage
This Home
$723,319
Median
$699,495

This home is +3.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,353 across all districts. With a homestead exemption claimed, that drops to $7,990 — saving $1,363 per year. That's $666 per month a buyer should budget. The assessed value increased +7.2% vs the subdivision average of -4.6%. This above-average increase gives a protest opportunity score of 65 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$5,470
Williamson CountyCounty0.3694%$2,263
Austin Community Collegespecial0.1034%$633
Williamson County ESD #9 - Round RockESD0.0999%$612
Williamson County FM/RdCounty0.0443%$271
Upper Brushy Creek WCIDWater0.0170%$104
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$9,353
65 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $623,263 would pay approximately $3,890 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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