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3029 PORTULACA DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath2,401 sqftBuilt 2011

Property at a Glance

This home is estimated between $516,485 and $942,929, with a best estimate of $843,439. 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

$516,485 $942,929
Best Estimate
$843,439
WCAD Value
$963,171
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 $516,485 and $942,929. 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 $516,485

Adjusted -$203,854 for 551 sqft less living space and +$2,760 for being newer. Net adjustment: -$201,094.

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 $843,439

Adjusted +$26,268 for 71 sqft more living space and +$5,521 for being newer. Net adjustment: +$31,789.

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 $878,664

Adjusted +$24,048 for 65 sqft more living space and +$5,521 for being newer. Net adjustment: +$29,569.

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 $828,720

Adjusted +$10,359 for 28 sqft more living space and +$5,521 for being newer. Net adjustment: +$15,880.

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 $942,929

Adjusted +$61,415 for 166 sqft more living space and +$2,760 for being newer. Net adjustment: +$64,175.

The Neighborhood

This home is valued 28.4% 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
$963,171
Median
$750,158

This home is +28.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $16,897 across all districts. With a homestead exemption claimed, that drops to $15,473 — saving $1,424 per year. That's $1,289 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%$8,387
Round RockCity0.3720%$3,493
Williamson CountyCounty0.3694%$3,470
Austin Community Collegespecial0.1034%$971
Williamson County FM/RdCounty0.0443%$416
Upper Brushy Creek WCIDWater0.0170%$160
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$16,897
61 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $843,439 would pay approximately $5,265 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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