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8416 SEA ASH CIR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath3,062 sqftBuilt 1999

Property at a Glance

This home is estimated between $634,785 and $961,505, with a best estimate of $684,609. 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

$634,785 $961,505
Best Estimate
$684,609
WCAD Value
$599,203
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 $634,785 and $961,505. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

8418 SEA ASH CIR, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
3 bed 2 bath 2,866 sqft Built 1998
Raw Value $579,350
Adjusted Value $645,839

Adjusted +$65,394 for 196 sqft more living space and +$1,095 for being newer. 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 $752,478

Adjusted +$282,931 for 848 sqft more living space and +$1,095 for being newer. Net adjustment: +$284,026.

16803 WILLOW OAK LN, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,759 sqft Built 1999
Raw Value $526,765
Adjusted Value $961,505

Adjusted +$434,740 for 1,303 sqft more living space. Net adjustment: +$434,740.

8410 SEA ASH CIR, ROUND ROCK, TX 78681
0.04 mi 100% similar Same subdivision
3 bed 2 bath 2,472 sqft Built 1998
Raw Value $486,663
Adjusted Value $684,609

Adjusted +$196,851 for 590 sqft more living space and +$1,095 for being newer. Net adjustment: +$197,946.

16703 WILLOW OAK LN, ROUND ROCK, TX 78681
0.04 mi 100% similar Same subdivision
3 bed 2 bath 2,926 sqft Built 2000
Raw Value $590,504
Adjusted Value $634,785

Adjusted +$45,376 for 136 sqft more living space and -$1,095 for being older. Net adjustment: +$44,281.

The Neighborhood

This home is valued 14.6% 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

typical
952 Properties
$523,036 Median Value
-5.2% YoY Change
1% Have Pool
99% Have Garage
This Home
$599,203
Median
$523,036

This home is +14.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,230 across all districts. With a homestead exemption claimed, that drops to $8,869 — saving $1,361 per year. That's $739 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%$5,351
Williamson CountyCounty0.3694%$2,214
Fern Bluff MUDMUD0.1800%$1,079
Austin Community Collegespecial0.1034%$620
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$599
Williamson County FM/RdCounty0.0443%$266
Upper Brushy Creek WCIDWater0.0170%$102
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7073%$10,230

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $684,609 would pay approximately $4,273 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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