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8507 SEA ASH CIR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath1,945 sqftBuilt 2000

Property at a Glance

This home is estimated between $248,210 and $751,538, with a best estimate of $676,175. 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

$248,210 $751,538
Best Estimate
$676,175
WCAD Value
$657,159
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 $248,210 and $751,538. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

8505 SEA ASH CIR, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 3 bath 2,549 sqft Built 2000
Raw Value $790,034
Adjusted Value $588,512

Adjusted -$201,522 for 604 sqft less living space. Net adjustment: -$201,522.

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 $751,538

Adjusted +$4,671 for 14 sqft more living space. Net adjustment: +$4,671.

8503 SEA ASH CIR, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 3 bath 1,945 sqft Built 1999
Raw Value $675,080
Adjusted Value $676,175

Adjusted +$1,095 for being newer. Net adjustment: +$1,095.

8504 SEA ASH CIR, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 3 bath 1,638 sqft Built 2000
Raw Value $646,652
Adjusted Value $749,081

Adjusted +$102,429 for 307 sqft more living space. Net adjustment: +$102,429.

8502 SEA ASH CIR, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,975 sqft Built 2000
Raw Value $591,864
Adjusted Value $248,210

Adjusted -$343,654 for 1,030 sqft less living space. Net adjustment: -$343,654.

The Neighborhood

This home is valued 25.6% 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
$657,159
Median
$523,036

This home is +25.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $11,220 across all districts. With a homestead exemption claimed, that drops to $9,848 — saving $1,372 per year. That's $821 per month a buyer should budget. The assessed value increased +1.5% vs the subdivision average of -5.2%. This above-average increase gives a protest opportunity score of 34 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$5,869
Williamson CountyCounty0.3694%$2,428
Fern Bluff MUDMUD0.1800%$1,183
Austin Community Collegespecial0.1034%$680
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$657
Williamson County FM/RdCounty0.0443%$291
Upper Brushy Creek WCIDWater0.0170%$112
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7073%$11,220
34 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $676,175 would pay approximately $4,221 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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