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

853 EXPEDITION WAY, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath2,271 sqftBuilt 2016

Property at a Glance

This home is estimated between $447,775 and $859,853, with a best estimate of $473,791. 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

$447,775 $859,853
Best Estimate
$473,791
WCAD Value
$489,075
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 $447,775 and $859,853 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 2,011 sqft Built 2016
Raw Value $389,010
Adjusted Value $473,791

Adjusted +$84,781 for 260 sqft more living space. Net adjustment: +$84,781.

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 $859,853

Adjusted +$153,258 for 470 sqft more living space and -$34,094 for being older. Net adjustment: +$119,164.

3 bed 2 bath 2,182 sqft Built 2010
Raw Value $519,881
Adjusted Value $617,089

Adjusted +$29,021 for 89 sqft more living space and +$68,187 for being newer. Net adjustment: +$97,208.

3 bed 2 bath 2,376 sqft Built 2015
Raw Value $483,257
Adjusted Value $460,383

Adjusted -$34,239 for 105 sqft less living space and +$11,365 for being newer. Net adjustment: -$22,874.

3 bed 2 bath 2,174 sqft Built 2015
Raw Value $404,780
Adjusted Value $447,775

Adjusted +$31,630 for 97 sqft more living space and +$11,365 for being newer. Net adjustment: +$42,995.

The Neighborhood

This home is valued 24.6% 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
$489,075
Median
$648,366

This home is -24.6% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,800 across all districts. With a homestead exemption claimed, that drops to $7,459 — saving $1,341 per year. That's $622 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%$4,368
Round RockCity0.3720%$1,819
Williamson CountyCounty0.3694%$1,807
Austin Community Collegespecial0.1034%$506
Williamson County FM/RdCounty0.0443%$217
Upper Brushy Creek WCIDWater0.0170%$83
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$8,800

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $473,791 would pay approximately $2,957 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 4/19/2026.

View full property details