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8503 SEA ASH CIR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath1,945 sqftBuilt 1999

Property at a Glance

This home is estimated between $247,115 and $747,986, with a best estimate of $617,037. 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

$247,115 $747,986
Best Estimate
$617,037
WCAD Value
$675,080
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 $247,115 and $747,986. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

8501 SEA ASH CIR, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 2 bath 2,457 sqft Built 1998
Raw Value $786,768
Adjusted Value $617,037

Adjusted -$170,826 for 512 sqft less living space and +$1,095 for being newer. Net adjustment: -$169,731.

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 $587,417

Adjusted -$201,522 for 604 sqft less living space and -$1,095 for being older. Net adjustment: -$202,617.

8507 SEA ASH CIR, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 3 bath 1,945 sqft Built 2000
Raw Value $657,159
Adjusted Value $656,064

Adjusted -$1,095 for being older. Net adjustment: -$1,095.

8502 SEA ASH CIR, ROUND ROCK, TX 78681
0.04 mi 100% similar Same subdivision
4 bed 3 bath 2,975 sqft Built 2000
Raw Value $591,864
Adjusted Value $247,115

Adjusted -$343,654 for 1,030 sqft less living space and -$1,095 for being older. Net adjustment: -$344,749.

8504 SEA ASH CIR, ROUND ROCK, TX 78681
0.05 mi 100% similar Same subdivision
4 bed 3 bath 1,638 sqft Built 2000
Raw Value $646,652
Adjusted Value $747,986

Adjusted +$102,429 for 307 sqft more living space and -$1,095 for being older. Net adjustment: +$101,334.

The Neighborhood

This home is valued 29.1% 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
$675,080
Median
$523,036

This home is +29.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $11,525 across all districts. With a homestead exemption claimed, that drops to $10,150 — saving $1,375 per year. That's $846 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%$6,029
Williamson CountyCounty0.3694%$2,494
Fern Bluff MUDMUD0.1800%$1,215
Austin Community Collegespecial0.1034%$698
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$675
Williamson County FM/RdCounty0.0443%$299
Upper Brushy Creek WCIDWater0.0170%$115
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7073%$11,525

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $617,037 would pay approximately $3,852 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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