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

4100 DEER TRACT, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath2,944 sqftBuilt 2007

Property at a Glance

This home is estimated between $565,070 and $868,050, with a best estimate of $692,041. That places the property below the R102606C - SENDERO SPRINGS / BEHREN'S RANCH R5 median of $750,158, in a neighborhood that appreciated 0.3% over the past year.

Estimated Value Range

$565,070 $868,050
Best Estimate
$692,041
WCAD Value
$739,802
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R102606C - SENDERO SPRINGS / BEHREN'S RANCH R5. The estimated range of $565,070 and $868,050 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 2,615 sqft Built 1984
Raw Value $633,811
Adjusted Value $692,041

Adjusted +$121,720 for 329 sqft more living space and -$63,490 for being older. Net adjustment: +$58,230.

4 bed 3 bath 2,719 sqft Built 2017
Raw Value $757,202
Adjusted Value $868,050

Adjusted +$83,244 for 225 sqft more living space and +$27,604 for being newer. Net adjustment: +$110,848.

3 bed 3 bath 3,308 sqft Built 1989
Raw Value $749,933
Adjusted Value $565,577

Adjusted -$134,669 for 364 sqft less living space and -$49,687 for being older. Net adjustment: -$184,356.

3 bed 2 bath 2,340 sqft Built 1984
Raw Value $587,405
Adjusted Value $747,378

Adjusted +$223,463 for 604 sqft more living space and -$63,490 for being older. Net adjustment: +$159,973.

4 bed 2 bath 2,830 sqft Built 1977
Raw Value $605,705
Adjusted Value $565,070

Adjusted +$42,177 for 114 sqft more living space and -$82,812 for being older. Net adjustment: -$40,635.

The Neighborhood

This home is valued 1.4% below the R102606C - SENDERO SPRINGS / BEHREN'S RANCH R5 median of $750,158. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 0.3% over the past year.

R102606C - SENDERO SPRINGS / BEHREN'S RANCH R5

typical
1,049 Properties
$750,158 Median Value
+0.3% YoY Change
1% Have Pool
99% Have Garage
This Home
$739,802
Median
$750,158

This home is -1.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $14,826 across all districts. With a homestead exemption claimed, that drops to $13,439 — saving $1,387 per year. That's $1,120 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%$6,607
Brushy Creek MUDMUD0.3868%$2,862
Williamson CountyCounty0.3694%$2,733
Austin Community Collegespecial0.1034%$765
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$740
Brushy Creek MUD Defined AreaMUD0.0900%$666
Williamson County FM/RdCounty0.0443%$328
Upper Brushy Creek WCIDWater0.0170%$126
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0041%$14,826

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $692,041 would pay approximately $4,320 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