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

3100 BRIAR OAK LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath2,883 sqftBuilt 2003

Property at a Glance

This home is estimated between $686,043 and $1,113,139, with a best estimate of $1,037,140. That places the property above 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

$686,043 $1,113,139
Best Estimate
$1,037,140
WCAD Value
$670,584
High Confidence

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

Based on 5 comparable properties in R102606C - SENDERO SPRINGS / BEHREN'S RANCH R5, this home's estimated market value is between $686,043 and $1,113,139. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3005 BRIAR OAK LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,184 sqft Built 2003
Raw Value $805,322
Adjusted Value $1,063,932

Adjusted +$258,610 for 699 sqft more living space. Net adjustment: +$258,610.

3104 BRIAR OAK LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,815 sqft Built 2003
Raw Value $660,885
Adjusted Value $686,043

Adjusted +$25,158 for 68 sqft more living space. Net adjustment: +$25,158.

3108 BRIAR OAK LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,258 sqft Built 2003
Raw Value $819,721
Adjusted Value $979,745

Adjusted +$231,232 for 625 sqft more living space and -$71,208 for no pool. Net adjustment: +$160,024.

3001 BRIAR OAK LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
5 bed 3 bath 2,212 sqft Built 2003
Raw Value $788,889
Adjusted Value $1,037,140

Adjusted +$248,251 for 671 sqft more living space. Net adjustment: +$248,251.

3105 BRIAR OAK LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,179 sqft Built 2004
Raw Value $849,919
Adjusted Value $1,113,139

Adjusted +$260,460 for 704 sqft more living space and +$2,760 for being newer. Net adjustment: +$263,220.

The Neighborhood

This home is valued 10.6% 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
$670,584
Median
$750,158

This home is -10.6% below the subdivision median.

Tax Analysis

The estimated annual property tax is $12,066 across all districts. With a homestead exemption claimed, that drops to $10,691 — saving $1,375 per year. That's $891 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%$5,989
Round RockCity0.3720%$2,495
Williamson CountyCounty0.3694%$2,477
Austin Community Collegespecial0.1034%$693
Williamson County FM/RdCounty0.0443%$297
Upper Brushy Creek WCIDWater0.0170%$114
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$12,066

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,037,140 would pay approximately $6,474 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