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3073 PORTULACA DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath2,421 sqftBuilt 2011

Property at a Glance

This home is estimated between $523,884 and $950,329, with a best estimate of $850,838. 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

$523,884 $950,329
Best Estimate
$850,838
WCAD Value
$961,299
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 $523,884 and $950,329. 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 $523,884

Adjusted -$196,455 for 531 sqft less living space and +$2,760 for being newer. Net adjustment: -$193,695.

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 $850,838

Adjusted +$33,667 for 91 sqft more living space and +$5,521 for being newer. Net adjustment: +$39,188.

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 $886,064

Adjusted +$31,448 for 85 sqft more living space and +$5,521 for being newer. Net adjustment: +$36,969.

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 $836,120

Adjusted +$17,759 for 48 sqft more living space and +$5,521 for being newer. Net adjustment: +$23,280.

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 $950,329

Adjusted +$68,815 for 186 sqft more living space and +$2,760 for being newer. Net adjustment: +$71,575.

The Neighborhood

This home is valued 28.1% 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
$961,299
Median
$750,158

This home is +28.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $16,864 across all districts. With a homestead exemption claimed, that drops to $15,440 — saving $1,424 per year. That's $1,287 per month a buyer should budget. The assessed value increased +8.5% vs the subdivision average of +0.3%. This above-average increase gives a protest opportunity score of 61 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$8,371
Round RockCity0.3720%$3,487
Williamson CountyCounty0.3694%$3,463
Austin Community Collegespecial0.1034%$969
Williamson County FM/RdCounty0.0443%$415
Upper Brushy Creek WCIDWater0.0170%$159
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$16,864
61 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $850,838 would pay approximately $5,311 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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