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8418 SEA ASH CIR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath2,866 sqftBuilt 1998

Property at a Glance

This home is estimated between $532,714 and $694,374, with a best estimate of $677,052. 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

$532,714 $694,374
Best Estimate
$677,052
WCAD Value
$579,350
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 $532,714 and $694,374. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

8416 SEA ASH CIR, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 2 bath 3,062 sqft Built 1999
Raw Value $599,203
Adjusted Value $532,714

Adjusted -$65,394 for 196 sqft less living space and -$1,095 for being older. Net adjustment: -$66,489.

16707 WILLOW OAK LN, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
3 bed 2 bath 2,214 sqft Built 1998
Raw Value $468,452
Adjusted Value $685,989

Adjusted +$217,537 for 652 sqft more living space. Net adjustment: +$217,537.

16807 WILLOW OAK LN, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
3 bed 2 bath 2,182 sqft Built 1998
Raw Value $466,161
Adjusted Value $694,374

Adjusted +$228,213 for 684 sqft more living space. Net adjustment: +$228,213.

8424 SEA ASH CIR, ROUND ROCK, TX 78681
0.04 mi 100% similar Same subdivision
3 bed 2 bath 2,416 sqft Built 1998
Raw Value $526,912
Adjusted Value $677,052

Adjusted +$150,140 for 450 sqft more living space. Net adjustment: +$150,140.

8423 SEA ASH CIR, ROUND ROCK, TX 78681
0.04 mi 100% similar Same subdivision
3 bed 2 bath 2,898 sqft Built 1999
Raw Value $573,976
Adjusted Value $562,204

Adjusted -$10,677 for 32 sqft less living space and -$1,095 for being older. Net adjustment: -$11,772.

The Neighborhood

This home is valued 10.8% 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
$579,350
Median
$523,036

This home is +10.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,891 across all districts. With a homestead exemption claimed, that drops to $8,534 — saving $1,357 per year. That's $711 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%$5,174
Williamson CountyCounty0.3694%$2,140
Fern Bluff MUDMUD0.1800%$1,043
Austin Community Collegespecial0.1034%$599
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$579
Williamson County FM/RdCounty0.0443%$257
Upper Brushy Creek WCIDWater0.0170%$98
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7073%$9,891

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $677,052 would pay approximately $4,226 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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