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3017 SUMAC CT, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath2,087 sqftBuilt 2005

Property at a Glance

This home is estimated between $490,827 and $871,934, with a best estimate of $822,948. 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

$490,827 $871,934
Best Estimate
$822,948
WCAD Value
$907,963
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 $490,827 and $871,934. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3001 SUMAC CT, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,165 sqft Built 2005
Raw Value $886,268
Adjusted Value $857,410

Adjusted -$28,858 for 78 sqft less living space. Net adjustment: -$28,858.

3009 SUMAC CT, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
5 bed 3 bath 2,229 sqft Built 2005
Raw Value $795,497
Adjusted Value $742,961

Adjusted -$52,536 for 142 sqft less living space. Net adjustment: -$52,536.

3000 SUMAC CT, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,249 sqft Built 2005
Raw Value $882,883
Adjusted Value $822,948

Adjusted -$59,935 for 162 sqft less living space. Net adjustment: -$59,935.

3016 SUMAC CT, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,459 sqft Built 2005
Raw Value $628,456
Adjusted Value $490,827

Adjusted -$137,629 for 372 sqft less living space. Net adjustment: -$137,629.

3005 SUMAC CT, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,080 sqft Built 2005
Raw Value $869,344
Adjusted Value $871,934

Adjusted +$2,590 for 7 sqft more living space. Net adjustment: +$2,590.

The Neighborhood

This home is valued 21.0% above the R102606C - SENDERO SPRINGS / BEHREN'S RANCH R5 median of $750,158. With 1,049 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 0.3% over the past year.

R102606C - SENDERO SPRINGS / BEHREN'S RANCH R5

above average
1,049 Properties
$750,158 Median Value
+0.3% YoY Change
1% Have Pool
99% Have Garage
This Home
$907,963
Median
$750,158

This home is +21.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $16,337 across all districts. With a homestead exemption claimed, that drops to $14,919 — saving $1,418 per year. That's $1,243 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%$8,109
Round RockCity0.3720%$3,378
Williamson CountyCounty0.3694%$3,354
Austin Community Collegespecial0.1034%$939
Williamson County FM/RdCounty0.0443%$402
Upper Brushy Creek WCIDWater0.0170%$154
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$16,337

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $822,948 would pay approximately $5,137 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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