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

8102 FULL MOON TRL, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath1,647 sqftBuilt 2001

Property at a Glance

This home is estimated between $521,329 and $734,543, with a best estimate of $610,547. That places the property above the R292598D - Stone Canyon - Weekley & Newmark median of $523,036, in a neighborhood that declined 5.2% over the past year.

Estimated Value Range

$521,329 $734,543
Best Estimate
$610,547
WCAD Value
$638,696
High Confidence

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

Based on 5 comparable properties in R292598D - Stone Canyon - Weekley & Newmark, this home's estimated market value is between $521,329 and $734,543. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

8104 FULL MOON TRL, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 3 bath 1,910 sqft Built 2001
Raw Value $675,667
Adjusted Value $587,918

Adjusted -$87,749 for 263 sqft less living space. Net adjustment: -$87,749.

8100 FULL MOON TRL, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 3 bath 1,394 sqft Built 2000
Raw Value $634,756
Adjusted Value $720,263

Adjusted +$84,412 for 253 sqft more living space and +$1,095 for being newer. Net adjustment: +$85,507.

8200 FULL MOON TRL, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
4 bed 3 bath 1,871 sqft Built 2000
Raw Value $684,188
Adjusted Value $610,547

Adjusted -$74,736 for 224 sqft less living space and +$1,095 for being newer. Net adjustment: -$73,641.

7001 COOL CANYON CV, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 3 bath 1,746 sqft Built 2000
Raw Value $553,265
Adjusted Value $521,329

Adjusted -$33,031 for 99 sqft less living space and +$1,095 for being newer. Net adjustment: -$31,936.

9002 FULL MOON CV, ROUND ROCK, TX 78681
0.04 mi 100% similar Same subdivision
4 bed 3 bath 1,394 sqft Built 2000
Raw Value $649,036
Adjusted Value $734,543

Adjusted +$84,412 for 253 sqft more living space and +$1,095 for being newer. Net adjustment: +$85,507.

The Neighborhood

This home is valued 22.1% above the R292598D - Stone Canyon - Weekley & Newmark median of $523,036. With 952 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 5.2% over the past year.

R292598D - Stone Canyon - Weekley & Newmark

above average
952 Properties
$523,036 Median Value
-5.2% YoY Change
1% Have Pool
99% Have Garage
This Home
$638,696
Median
$523,036

This home is +22.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,904 across all districts. With a homestead exemption claimed, that drops to $9,536 — saving $1,368 per year. That's $795 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%$5,704
Williamson CountyCounty0.3694%$2,360
Fern Bluff MUDMUD0.1800%$1,150
Austin Community Collegespecial0.1034%$660
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$639
Williamson County FM/RdCounty0.0443%$283
Upper Brushy Creek WCIDWater0.0170%$109
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7073%$10,904

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $610,547 would pay approximately $3,811 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