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8504 SEA ASH CIR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath1,638 sqftBuilt 2000

Property at a Glance

This home is estimated between $486,083 and $770,693, with a best estimate of $649,109. 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

$486,083 $770,693
Best Estimate
$649,109
WCAD Value
$646,652
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 $486,083 and $770,693. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

8509 SEA ASH CIR, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
5 bed 3 bath 1,276 sqft Built 1999
Raw Value $648,818
Adjusted Value $770,693

Adjusted +$120,780 for 362 sqft more living space and +$1,095 for being newer. Net adjustment: +$121,875.

8507 SEA ASH CIR, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 3 bath 1,945 sqft Built 2000
Raw Value $657,159
Adjusted Value $554,730

Adjusted -$102,429 for 307 sqft less living space. Net adjustment: -$102,429.

8511 SEA ASH CIR, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 3 bath 1,931 sqft Built 2000
Raw Value $746,867
Adjusted Value $649,109

Adjusted -$97,758 for 293 sqft less living space. Net adjustment: -$97,758.

8600 SEA ASH CIR, ROUND ROCK, TX 78681
0.04 mi 100% similar Same subdivision
4 bed 3 bath 1,796 sqft Built 1999
Raw Value $762,363
Adjusted Value $710,742

Adjusted -$52,716 for 158 sqft less living space and +$1,095 for being newer. Net adjustment: -$51,621.

8505 SEA ASH CIR, ROUND ROCK, TX 78681
0.04 mi 100% similar Same subdivision
4 bed 3 bath 2,549 sqft Built 2000
Raw Value $790,034
Adjusted Value $486,083

Adjusted -$303,951 for 911 sqft less living space. Net adjustment: -$303,951.

The Neighborhood

This home is valued 23.6% 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
$646,652
Median
$523,036

This home is +23.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $11,040 across all districts. With a homestead exemption claimed, that drops to $9,670 — saving $1,370 per year. That's $806 per month a buyer should budget. The assessed value increased +2.1% vs the subdivision average of -5.2%. This above-average increase gives a protest opportunity score of 37 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$5,775
Williamson CountyCounty0.3694%$2,389
Fern Bluff MUDMUD0.1800%$1,164
Austin Community Collegespecial0.1034%$669
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$647
Williamson County FM/RdCounty0.0443%$287
Upper Brushy Creek WCIDWater0.0170%$110
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7073%$11,040
37 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $649,109 would pay approximately $4,052 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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