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3040 PORTULACA DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

5 bed4 bath2,615 sqftBuilt 2013

Property at a Glance

This home is estimated between $590,139 and $1,030,756, with a best estimate of $917,092. 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

$590,139 $1,030,756
Best Estimate
$917,092
WCAD Value
$962,395
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 $590,139 and $1,030,756. 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 $590,139

Adjusted -$124,680 for 337 sqft less living space and -$2,760 for being older. Net adjustment: -$127,440.

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 $917,092

Adjusted +$105,442 for 285 sqft more living space. Net adjustment: +$105,442.

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 $952,317

Adjusted +$103,222 for 279 sqft more living space. Net adjustment: +$103,222.

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 $902,373

Adjusted +$89,533 for 242 sqft more living space. Net adjustment: +$89,533.

3077 PORTULACA DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
5 bed 4 bath 1,837 sqft Built 2013
Raw Value $742,918
Adjusted Value $1,030,756

Adjusted +$287,838 for 778 sqft more living space. Net adjustment: +$287,838.

The Neighborhood

This home is valued 28.3% 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
$962,395
Median
$750,158

This home is +28.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $16,968 across all districts. With a homestead exemption claimed, that drops to $15,543 — saving $1,425 per year. That's $1,295 per month a buyer should budget. The assessed value increased +8.7% vs the subdivision average of +0.3%. This above-average increase gives a protest opportunity score of 62 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$8,422
Round RockCity0.3720%$3,508
Williamson CountyCounty0.3694%$3,484
Austin Community Collegespecial0.1034%$975
Williamson County FM/RdCounty0.0443%$418
Upper Brushy Creek WCIDWater0.0170%$160
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$16,968
62 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $917,092 would pay approximately $5,724 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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