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2908 PORTULACA DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath3,264 sqftBuilt 2007

Property at a Glance

This home is estimated between $846,812 and $1,273,256, with a best estimate of $1,173,765. 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

$846,812 $1,273,256
Best Estimate
$1,173,765
WCAD Value
$792,528
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 $846,812 and $1,273,256. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3065 PORTULACA DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,952 sqft Built 2012
Raw Value $717,579
Adjusted Value $846,812

Adjusted +$115,431 for 312 sqft more living space and +$13,802 for being newer. Net adjustment: +$129,233.

3032 PORTULACA DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,330 sqft Built 2013
Raw Value $811,650
Adjusted Value $1,173,765

Adjusted +$345,553 for 934 sqft more living space and +$16,562 for being newer. Net adjustment: +$362,115.

3056 PORTULACA DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,336 sqft Built 2013
Raw Value $849,095
Adjusted Value $1,208,990

Adjusted +$343,333 for 928 sqft more living space and +$16,562 for being newer. Net adjustment: +$359,895.

3036 PORTULACA DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,373 sqft Built 2013
Raw Value $812,840
Adjusted Value $1,159,046

Adjusted +$329,644 for 891 sqft more living space and +$16,562 for being newer. Net adjustment: +$346,206.

2945 PORTULACA DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,235 sqft Built 2012
Raw Value $878,754
Adjusted Value $1,273,256

Adjusted +$380,700 for 1,029 sqft more living space and +$13,802 for being newer. Net adjustment: +$394,502.

The Neighborhood

This home is valued 5.6% 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
$792,528
Median
$750,158

This home is +5.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $14,260 across all districts. With a homestead exemption claimed, that drops to $12,863 — saving $1,397 per year. That's $1,072 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%$7,078
Round RockCity0.3720%$2,948
Williamson CountyCounty0.3694%$2,928
Austin Community Collegespecial0.1034%$819
Williamson County FM/RdCounty0.0443%$351
Upper Brushy Creek WCIDWater0.0170%$135
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$14,260

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,173,765 would pay approximately $7,327 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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