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16811 WILLOW OAK LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath2,122 sqftBuilt 1998

Property at a Glance

This home is estimated between $428,820 and $667,471, with a best estimate of $515,048. 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

$428,820 $667,471
Best Estimate
$515,048
WCAD Value
$457,583
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 $428,820 and $667,471. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

16813 WILLOW OAK LN, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,839 sqft Built 1999
Raw Value $431,577
Adjusted Value $524,904

Adjusted +$94,422 for 283 sqft more living space and -$1,095 for being older. Net adjustment: +$93,327.

16809 WILLOW OAK LN, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 2 bath 1,718 sqft Built 1999
Raw Value $533,773
Adjusted Value $667,471

Adjusted +$134,793 for 404 sqft more living space and -$1,095 for being older. Net adjustment: +$133,698.

16815 WILLOW OAK LN, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,918 sqft Built 1999
Raw Value $448,079
Adjusted Value $515,048

Adjusted +$68,064 for 204 sqft more living space and -$1,095 for being older. Net adjustment: +$66,969.

16807 WILLOW OAK LN, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
3 bed 2 bath 2,182 sqft Built 1998
Raw Value $466,161
Adjusted Value $446,142

Adjusted -$20,019 for 60 sqft less living space. Net adjustment: -$20,019.

8424 SEA ASH CIR, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
3 bed 2 bath 2,416 sqft Built 1998
Raw Value $526,912
Adjusted Value $428,820

Adjusted -$98,092 for 294 sqft less living space. Net adjustment: -$98,092.

The Neighborhood

This home is valued 12.5% 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
$457,583
Median
$523,036

This home is -12.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,812 across all districts. With a homestead exemption claimed, that drops to $6,477 — saving $1,335 per year. That's $540 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%$4,087
Williamson CountyCounty0.3694%$1,691
Fern Bluff MUDMUD0.1800%$824
Austin Community Collegespecial0.1034%$473
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$458
Williamson County FM/RdCounty0.0443%$203
Upper Brushy Creek WCIDWater0.0170%$78
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7073%$7,812

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $515,048 would pay approximately $3,215 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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