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3403 CORTINA LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath3,369 sqftBuilt 2006

Property at a Glance

This home is estimated between $716,091 and $1,259,341, with a best estimate of $1,196,134. 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

$716,091 $1,259,341
Best Estimate
$1,196,134
WCAD Value
$829,672
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 $716,091 and $1,259,341. 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 $1,257,751

Adjusted +$208,294 for 563 sqft more living space and -$2,760 for being older. Net adjustment: +$205,534.

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 $1,259,341

Adjusted +$492,062 for 1,330 sqft more living space and -$2,760 for being older. Net adjustment: +$489,302.

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 $846,985

Adjusted +$77,694 for 210 sqft more living space and -$2,760 for being older. Net adjustment: +$74,934.

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 $716,091

Adjusted -$344,073 for 930 sqft less living space and -$5,521 for being older. Net adjustment: -$349,594.

3407 CORTINA LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,356 sqft Built 2005
Raw Value $824,113
Adjusted Value $1,196,134

Adjusted +$374,781 for 1,013 sqft more living space and -$2,760 for being older. Net adjustment: +$372,021.

The Neighborhood

This home is valued 10.6% 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
$829,672
Median
$750,158

This home is +10.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $16,628 across all districts. With a homestead exemption claimed, that drops to $15,224 — saving $1,404 per year. That's $1,269 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%$7,410
Brushy Creek MUDMUD0.3868%$3,209
Williamson CountyCounty0.3694%$3,065
Austin Community Collegespecial0.1034%$858
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$830
Brushy Creek MUD Defined AreaMUD0.0900%$747
Williamson County FM/RdCounty0.0443%$368
Upper Brushy Creek WCIDWater0.0170%$141
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0041%$16,628

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,196,134 would pay approximately $7,466 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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