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861 EXPEDITION WAY, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath2,356 sqftBuilt 2016

Property at a Glance

This home is estimated between $426,711 and $887,570, with a best estimate of $645,192. 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

$426,711 $887,570
Best Estimate
$645,192
WCAD Value
$508,797
Low Confidence

Based on 5 comparable properties(2 in the same subdivision)

There are 5 comparable properties within range, but few are in R534516C - CONCORD at BRUSHY CREEK. The estimated range of $426,711 and $887,570 should be treated as a rough guide.

Comparable Properties (5)

712 EXPEDITION WAY, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 1,801 sqft Built 2019
Raw Value $740,689
Adjusted Value $887,570

Adjusted +$180,975 for 555 sqft more living space and -$34,094 for being older. Net adjustment: +$146,881.

4 bed 3 bath 2,452 sqft Built 2019
Raw Value $492,109
Adjusted Value $426,711

Adjusted -$31,304 for 96 sqft less living space and -$34,094 for being older. Net adjustment: -$65,398.

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 $742,625

Adjusted +$75,977 for 233 sqft more living space and -$34,094 for being older. Net adjustment: +$41,883.

4 bed 3 bath 1,998 sqft Built 2012
Raw Value $471,400
Adjusted Value $633,595

Adjusted +$116,737 for 358 sqft more living space and +$45,458 for being newer. Net adjustment: +$162,195.

4 bed 3 bath 1,870 sqft Built 2016
Raw Value $486,717
Adjusted Value $645,192

Adjusted +$158,475 for 486 sqft more living space. Net adjustment: +$158,475.

The Neighborhood

This home is valued 21.5% 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

below average
203 Properties
$648,366 Median Value
-2.4% YoY Change
0% Have Pool
100% Have Garage
This Home
$508,797
Median
$648,366

This home is -21.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,155 across all districts. With a homestead exemption claimed, that drops to $7,810 — saving $1,345 per year. That's $651 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%$4,544
Round RockCity0.3720%$1,893
Williamson CountyCounty0.3694%$1,880
Austin Community Collegespecial0.1034%$526
Williamson County FM/RdCounty0.0443%$226
Upper Brushy Creek WCIDWater0.0170%$86
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$9,155

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $645,192 would pay approximately $4,027 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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