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

1103 FOSSIL CV, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,559 sqftBuilt 2001

Property at a Glance

This home is estimated between $209,879 and $319,119, with a best estimate of $303,612. That places the property below the R107503F - PRESERVE AT STONE OAK - PH 3 & 4 median of $368,194, in a neighborhood that declined 10.9% over the past year.

Estimated Value Range

$209,879 $319,119
Best Estimate
$303,612
WCAD Value
$300,900
High Confidence

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

Based on 5 comparable properties in R107503F - PRESERVE AT STONE OAK - PH 3 & 4, this home's estimated market value is between $209,879 and $319,119. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1101 FOSSIL CV, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,725 sqft Built 2001
Raw Value $352,912
Adjusted Value $319,119

Adjusted -$33,793 for 166 sqft less living space. Net adjustment: -$33,793.

1105 FOSSIL CV, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,759 sqft Built 2001
Raw Value $346,578
Adjusted Value $305,863

Adjusted -$40,715 for 200 sqft less living space. Net adjustment: -$40,715.

1104 FOSSIL CV, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
3 bed 2 bath 2,403 sqft Built 2000
Raw Value $383,096
Adjusted Value $209,879

Adjusted -$171,816 for 844 sqft less living space and -$1,401 for being older. Net adjustment: -$173,217.

1102 FOSSIL CV, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,940 sqft Built 2000
Raw Value $365,986
Adjusted Value $287,024

Adjusted -$77,561 for 381 sqft less living space and -$1,401 for being older. Net adjustment: -$78,962.

1100 FOSSIL CV, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,721 sqft Built 2001
Raw Value $336,591
Adjusted Value $303,612

Adjusted -$32,979 for 162 sqft less living space. Net adjustment: -$32,979.

The Neighborhood

This home is valued 18.3% below the R107503F - PRESERVE AT STONE OAK - PH 3 & 4 median of $368,194. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 10.9% over the past year.

R107503F - PRESERVE AT STONE OAK - PH 3 & 4

below average
1,045 Properties
$368,194 Median Value
-10.9% YoY Change
1% Have Pool
99% Have Garage
This Home
$300,900
Median
$368,194

This home is -18.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,414 across all districts. With a homestead exemption claimed, that drops to $4,108 — saving $1,306 per year. That's $342 per month a buyer should budget. The assessed value increased roughly in line with the neighborhood, so a tax protest is unlikely to yield significant savings.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$2,687
Round RockCity0.3720%$1,119
Williamson CountyCounty0.3694%$1,112
Austin Community Collegespecial0.1034%$311
Williamson County FM/RdCounty0.0443%$133
Upper Brushy Creek WCIDWater0.0170%$51
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,414

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $303,612 would pay approximately $1,895 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