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

1 TIFFANY TRL, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath2,077 sqftBuilt 1977

Property at a Glance

This home is estimated between $690,693 and $1,022,890, with a best estimate of $737,459. That places the property above 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

$690,693 $1,022,890
Best Estimate
$737,459
WCAD Value
$643,198
High Confidence

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

Based on 5 comparable properties in R103D76C-Abstracts-Great Oaks, Hairy Man, Sam Bass&620 Area, this home's estimated market value is between $690,693 and $1,022,890. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

2009 CROSS CREEK TRL, ROUND ROCK, TX 78681
0.12 mi 100% similar Same subdivision
4 bed 2 bath 1,506 sqft Built 1977
Raw Value $797,171
Adjusted Value $1,022,890

Adjusted +$225,719 for 571 sqft more living space. Net adjustment: +$225,719.

1900 CROSS CREEK TRL, ROUND ROCK, TX 78681
0.12 mi 100% similar Same subdivision
4 bed 2 bath 2,503 sqft Built 1977
Raw Value $1,091,620
Adjusted Value $697,849

Adjusted -$168,400 for 426 sqft less living space and -$225,371 for no pool. Net adjustment: -$393,771.

2101 CROSS CREEK TRL, ROUND ROCK, TX 78681
0.12 mi 100% similar Same subdivision
4 bed 2 bath 2,186 sqft Built 1977
Raw Value $780,547
Adjusted Value $737,459

Adjusted -$43,088 for 109 sqft less living space. Net adjustment: -$43,088.

2001 CROSS CREEK TRL, ROUND ROCK, TX 78681
0.12 mi 100% similar Same subdivision
3 bed 2 bath 2,259 sqft Built 1978
Raw Value $762,638
Adjusted Value $690,693

Adjusted -$71,945 for 182 sqft less living space. Net adjustment: -$71,945.

2000 CROSS CREEK TRL, ROUND ROCK, TX 78681
0.12 mi 100% similar Same subdivision
3 bed 2 bath 2,248 sqft Built 1977
Raw Value $827,704
Adjusted Value $760,107

Adjusted -$67,597 for 171 sqft less living space. Net adjustment: -$67,597.

The Neighborhood

This home is valued 8.0% below the R103D76C-Abstracts-Great Oaks, Hairy Man, Sam Bass&620 Area median of $699,495. That positions it competitively for buyers comparing within the neighborhood. 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
$643,198
Median
$699,495

This home is -8.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,823 across all districts. With a homestead exemption claimed, that drops to $8,454 — saving $1,369 per year. That's $705 per month a buyer should budget. The assessed value increased +4.6% vs the subdivision average of -4.6%. This above-average increase gives a protest opportunity score of 56 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$5,744
Williamson CountyCounty0.3694%$2,376
Austin Community Collegespecial0.1034%$665
Williamson County ESD #9 - Round RockESD0.0999%$643
Williamson County FM/RdCounty0.0443%$285
Upper Brushy Creek WCIDWater0.0170%$109
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$9,823
56 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $737,459 would pay approximately $4,603 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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