Beta Williamson County, TX only — data and coverage are limited during early access.

800 EXPEDITION WAY, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath2,620 sqftBuilt 2016

Property at a Glance

This home is estimated between $561,577 and $828,710, with a best estimate of $587,593. That places the property below the R534516C - CONCORD at BRUSHY CREEK median of $648,366, in a neighborhood that declined 2.4% over the past year.

Estimated Value Range

$561,577 $828,710
Best Estimate
$587,593
WCAD Value
$559,132
Low Confidence

Based on 5 comparable properties(1 in the same subdivision)

There are 5 comparable properties within range, but few are in R534516C - CONCORD at BRUSHY CREEK. The estimated range of $561,577 and $828,710 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 2,376 sqft Built 2015
Raw Value $483,257
Adjusted Value $574,186

Adjusted +$79,564 for 244 sqft more living space and +$11,365 for being newer. Net adjustment: +$90,929.

809 EXPEDITION WAY, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2,123 sqft Built 2019
Raw Value $700,742
Adjusted Value $828,710

Adjusted +$162,062 for 497 sqft more living space and -$34,094 for being older. Net adjustment: +$127,968.

3 bed 2 bath 2,174 sqft Built 2015
Raw Value $404,780
Adjusted Value $561,577

Adjusted +$145,432 for 446 sqft more living space and +$11,365 for being newer. Net adjustment: +$156,797.

3 bed 2 bath 2,011 sqft Built 2016
Raw Value $389,010
Adjusted Value $587,593

Adjusted +$198,583 for 609 sqft more living space. Net adjustment: +$198,583.

3 bed 2 bath 2,182 sqft Built 2010
Raw Value $519,881
Adjusted Value $730,892

Adjusted +$142,824 for 438 sqft more living space and +$68,187 for being newer. Net adjustment: +$211,011.

The Neighborhood

This home is valued 13.8% below the R534516C - CONCORD at BRUSHY CREEK median of $648,366. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 2.4% over the past year.

R534516C - CONCORD at BRUSHY CREEK

typical
203 Properties
$648,366 Median Value
-2.4% YoY Change
0% Have Pool
100% Have Garage
This Home
$559,132
Median
$648,366

This home is -13.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $10,060 across all districts. With a homestead exemption claimed, that drops to $8,707 — saving $1,353 per year. That's $726 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%$4,994
Round RockCity0.3720%$2,080
Williamson CountyCounty0.3694%$2,066
Austin Community Collegespecial0.1034%$578
Williamson County FM/RdCounty0.0443%$248
Upper Brushy Creek WCIDWater0.0170%$95
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$10,060

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $587,593 would pay approximately $3,668 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.

View full property details