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3431 CORTES PL, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed2 bath1,787 sqftBuilt 2007

Property at a Glance

This home is estimated between $323,996 and $543,933, with a best estimate of $470,951. That places the property above the R492607C - Paloma Lake - Sec 17A & 17B median of $462,814, in a neighborhood that declined 4.4% over the past year.

Estimated Value Range

$323,996 $543,933
Best Estimate
$470,951
WCAD Value
$495,923
High Confidence

Based on 5 comparable properties(5 in the same subdivision)

Based on 5 comparable properties in R492607C - Paloma Lake - Sec 17A & 17B, this home's estimated market value is between $323,996 and $543,933. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3309 CORTES PL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,958 sqft Built 2012
Raw Value $475,039
Adjusted Value $470,951

Adjusted -$37,076 for 171 sqft less living space and +$32,988 for being newer. Net adjustment: -$4,088.

2909 CORTES CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,809 sqft Built 2007
Raw Value $548,703
Adjusted Value $543,933

Adjusted -$4,770 for 22 sqft less living space. Net adjustment: -$4,770.

3300 CORTES PL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,977 sqft Built 2011
Raw Value $549,574
Adjusted Value $534,768

Adjusted -$41,196 for 190 sqft less living space and +$26,390 for being newer. Net adjustment: -$14,806.

3344 CORTES PL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,159 sqft Built 2012
Raw Value $464,768
Adjusted Value $417,099

Adjusted -$80,657 for 372 sqft less living space and +$32,988 for being newer. Net adjustment: -$47,669.

3416 CORTES PL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,351 sqft Built 2009
Raw Value $433,088
Adjusted Value $323,996

Adjusted -$122,287 for 564 sqft less living space and +$13,195 for being newer. Net adjustment: -$109,092.

The Neighborhood

This home is valued 7.2% above the R492607C - Paloma Lake - Sec 17A & 17B median of $462,814. With 292 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 4.4% over the past year.

R492607C - Paloma Lake - Sec 17A & 17B

typical
292 Properties
$462,814 Median Value
-4.4% YoY Change
0% Have Pool
100% Have Garage
This Home
$495,923
Median
$462,814

This home is +7.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,664 across all districts. With a homestead exemption claimed, that drops to $8,322 — saving $1,342 per year. That's $694 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%$4,429
Paloma Lakes MUD #2MUD0.4215%$2,090
Williamson CountyCounty0.3694%$1,832
Austin Community Collegespecial0.1034%$513
Williamson County ESD #9 - Round RockESD0.0999%$495
Williamson County FM/RdCounty0.0443%$220
Upper Brushy Creek WCIDWater0.0170%$84
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9487%$9,664

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $470,951 would pay approximately $2,940 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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