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16807 WILLOW OAK LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath2,182 sqftBuilt 1998

Property at a Glance

This home is estimated between $448,839 and $701,674, with a best estimate of $666,802. 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

$448,839 $701,674
Best Estimate
$666,802
WCAD Value
$466,161
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 $448,839 and $701,674. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

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 $687,489

Adjusted +$154,811 for 464 sqft more living space and -$1,095 for being older. Net adjustment: +$153,716.

16803 WILLOW OAK LN, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
4 bed 2 bath 1,759 sqft Built 1999
Raw Value $526,765
Adjusted Value $666,802

Adjusted +$141,132 for 423 sqft more living space and -$1,095 for being older. Net adjustment: +$140,037.

16811 WILLOW OAK LN, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
3 bed 2 bath 2,122 sqft Built 1998
Raw Value $457,583
Adjusted Value $477,602

Adjusted +$20,019 for 60 sqft more 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 $448,839

Adjusted -$78,073 for 234 sqft less living space. Net adjustment: -$78,073.

8420 SEA ASH CIR, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,519 sqft Built 1998
Raw Value $480,467
Adjusted Value $701,674

Adjusted +$221,207 for 663 sqft more living space. Net adjustment: +$221,207.

The Neighborhood

This home is valued 10.9% 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
$466,161
Median
$523,036

This home is -10.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,959 across all districts. With a homestead exemption claimed, that drops to $6,622 — saving $1,337 per year. That's $552 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%$4,163
Williamson CountyCounty0.3694%$1,722
Fern Bluff MUDMUD0.1800%$839
Austin Community Collegespecial0.1034%$482
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$466
Williamson County FM/RdCounty0.0443%$207
Upper Brushy Creek WCIDWater0.0170%$79
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7073%$7,959

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $666,802 would pay approximately $4,162 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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