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3402 CORTINA LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath3,488 sqftBuilt 2005

Property at a Glance

This home is estimated between $762,878 and $1,306,127, with a best estimate of $893,771. 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

$762,878 $1,306,127
Best Estimate
$893,771
WCAD Value
$933,623
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 $762,878 and $1,306,127. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3406 CORTINA LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,806 sqft Built 2005
Raw Value $1,052,217
Adjusted Value $1,304,537

Adjusted +$252,320 for 682 sqft more living space. Net adjustment: +$252,320.

3404 CORTINA LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,039 sqft Built 2005
Raw Value $770,039
Adjusted Value $1,306,127

Adjusted +$536,088 for 1,449 sqft more living space. Net adjustment: +$536,088.

3401 CORTINA LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 3,159 sqft Built 2005
Raw Value $772,051
Adjusted Value $893,771

Adjusted +$121,720 for 329 sqft more living space. Net adjustment: +$121,720.

3407 LUMINOSO LN W, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 4,299 sqft Built 2004
Raw Value $1,065,685
Adjusted Value $762,878

Adjusted -$300,047 for 811 sqft less living space and -$2,760 for being older. Net adjustment: -$302,807.

3403 CORTINA LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 3,369 sqft Built 2006
Raw Value $829,672
Adjusted Value $876,459

Adjusted +$44,027 for 119 sqft more living space and +$2,760 for being newer. Net adjustment: +$46,787.

The Neighborhood

This home is valued 24.5% 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
$933,623
Median
$750,158

This home is +24.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $18,711 across all districts. With a homestead exemption claimed, that drops to $17,288 — saving $1,423 per year. That's $1,441 per month a buyer should budget. The assessed value increased +8.0% vs the subdivision average of +0.3%. This above-average increase gives a protest opportunity score of 59 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$8,338
Brushy Creek MUDMUD0.3868%$3,612
Williamson CountyCounty0.3694%$3,449
Austin Community Collegespecial0.1034%$965
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$934
Brushy Creek MUD Defined AreaMUD0.0900%$840
Williamson County FM/RdCounty0.0443%$414
Upper Brushy Creek WCIDWater0.0170%$159
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0041%$18,711
59 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $893,771 would pay approximately $5,579 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 4/18/2026.

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