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8428 SEA ASH CIR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,050 sqftBuilt 1998

Property at a Glance

This home is estimated between $323,987 and $544,824, with a best estimate of $494,054. 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

$323,987 $544,824
Best Estimate
$494,054
WCAD Value
$491,850
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 $323,987 and $544,824. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

8429 SEA ASH CIR, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,452 sqft Built 1998
Raw Value $678,949
Adjusted Value $544,824

Adjusted -$134,125 for 402 sqft less living space. Net adjustment: -$134,125.

8422 SEA ASH CIR, ROUND ROCK, TX 78681
0.04 mi 100% similar Same subdivision
4 bed 2 bath 1,400 sqft Built 1998
Raw Value $627,651
Adjusted Value $510,875

Adjusted -$116,776 for 350 sqft less living space. Net adjustment: -$116,776.

16901 WILLOW OAK LN, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,543 sqft Built 1998
Raw Value $515,443
Adjusted Value $350,956

Adjusted -$164,487 for 493 sqft less living space. Net adjustment: -$164,487.

8425 SEA ASH CIR, ROUND ROCK, TX 78681
0.04 mi 100% similar Same subdivision
3 bed 2 bath 969 sqft Built 1998
Raw Value $467,029
Adjusted Value $494,054

Adjusted +$27,025 for 81 sqft more living space. Net adjustment: +$27,025.

8420 SEA ASH CIR, ROUND ROCK, TX 78681
0.05 mi 100% similar Same subdivision
4 bed 2 bath 1,519 sqft Built 1998
Raw Value $480,467
Adjusted Value $323,987

Adjusted -$156,480 for 469 sqft less living space. Net adjustment: -$156,480.

The Neighborhood

This home is valued 6.0% below the R292598D - Stone Canyon - Weekley & Newmark median of $523,036. That positions it competitively for buyers comparing within the neighborhood. 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
$491,850
Median
$523,036

This home is -6.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,397 across all districts. With a homestead exemption claimed, that drops to $7,056 — saving $1,341 per year. That's $588 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%$4,393
Williamson CountyCounty0.3694%$1,817
Fern Bluff MUDMUD0.1800%$885
Austin Community Collegespecial0.1034%$509
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$492
Williamson County FM/RdCounty0.0443%$218
Upper Brushy Creek WCIDWater0.0170%$84
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7073%$8,397

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $494,054 would pay approximately $3,084 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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