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8421 SEA ASH CIR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,114 sqftBuilt 1998

Property at a Glance

This home is estimated between $352,272 and $515,408, with a best estimate of $454,215. That places the property below the R292598D - Stone Canyon - Weekley & Newmark median of $523,036, in a neighborhood that declined 5.2% over the past year.

Estimated Value Range

$352,272 $515,408
Best Estimate
$454,215
WCAD Value
$550,105
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 $352,272 and $515,408. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

8419 SEA ASH CIR, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 2 bath 1,639 sqft Built 1998
Raw Value $629,379
Adjusted Value $454,215

Adjusted -$175,164 for 525 sqft less living space. Net adjustment: -$175,164.

8425 SEA ASH CIR, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
3 bed 2 bath 969 sqft Built 1998
Raw Value $467,029
Adjusted Value $515,408

Adjusted +$48,379 for 145 sqft more living space. Net adjustment: +$48,379.

8417 SEA ASH CIR, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
4 bed 2 bath 1,617 sqft Built 1998
Raw Value $520,095
Adjusted Value $352,272

Adjusted -$167,823 for 503 sqft less living space. Net adjustment: -$167,823.

8427 SEA ASH CIR, ROUND ROCK, TX 78681
0.04 mi 100% similar Same subdivision
4 bed 2 bath 1,634 sqft Built 1998
Raw Value $613,400
Adjusted Value $439,905

Adjusted -$173,495 for 520 sqft less living space. Net adjustment: -$173,495.

8415 SEA ASH CIR, ROUND ROCK, TX 78681
0.04 mi 100% similar Same subdivision
4 bed 2 bath 1,414 sqft Built 1998
Raw Value $582,805
Adjusted Value $482,711

Adjusted -$100,094 for 300 sqft less living space. Net adjustment: -$100,094.

The Neighborhood

This home is valued 5.2% 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

typical
952 Properties
$523,036 Median Value
-5.2% YoY Change
1% Have Pool
99% Have Garage
This Home
$550,105
Median
$523,036

This home is +5.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,392 across all districts. With a homestead exemption claimed, that drops to $8,040 — saving $1,352 per year. That's $670 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%$4,913
Williamson CountyCounty0.3694%$2,032
Fern Bluff MUDMUD0.1800%$990
Austin Community Collegespecial0.1034%$569
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$550
Williamson County FM/RdCounty0.0443%$244
Upper Brushy Creek WCIDWater0.0170%$94
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7073%$9,392

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $454,215 would pay approximately $2,835 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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