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2916 PORTULACA DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath3,513 sqftBuilt 2007

Property at a Glance

This home is estimated between $778,673 and $962,317, with a best estimate of $840,285. 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

$778,673 $962,317
Best Estimate
$840,285
WCAD Value
$779,355
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 $778,673 and $962,317. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3053 PORTULACA DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,824 sqft Built 2015
Raw Value $685,324
Adjusted Value $962,317

Adjusted +$254,910 for 689 sqft more living space and +$22,083 for being newer. Net adjustment: +$276,993.

2921 PORTULACA DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 3,188 sqft Built 2007
Raw Value $720,044
Adjusted Value $840,285

Adjusted +$120,241 for 325 sqft more living space. Net adjustment: +$120,241.

3005 PORTULACA DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 3,310 sqft Built 2009
Raw Value $759,583
Adjusted Value $840,208

Adjusted +$75,104 for 203 sqft more living space and +$5,521 for being newer. Net adjustment: +$80,625.

3024 PORTULACA DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 3,110 sqft Built 2012
Raw Value $726,128
Adjusted Value $889,028

Adjusted +$149,098 for 403 sqft more living space and +$13,802 for being newer. Net adjustment: +$162,900.

3017 PORTULACA DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 3,612 sqft Built 2007
Raw Value $815,300
Adjusted Value $778,673

Adjusted -$36,627 for 99 sqft less living space. Net adjustment: -$36,627.

The Neighborhood

This home is valued 3.9% 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

typical
1,049 Properties
$750,158 Median Value
+0.3% YoY Change
1% Have Pool
99% Have Garage
This Home
$779,355
Median
$750,158

This home is +3.9% above the subdivision median.

Tax Analysis

The estimated annual property tax is $14,023 across all districts. With a homestead exemption claimed, that drops to $12,628 — saving $1,395 per year. That's $1,052 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%$6,960
Round RockCity0.3720%$2,899
Williamson CountyCounty0.3694%$2,879
Austin Community Collegespecial0.1034%$806
Williamson County FM/RdCounty0.0443%$345
Upper Brushy Creek WCIDWater0.0170%$132
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$14,023

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $840,285 would pay approximately $5,245 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.

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