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2831 DIEGO CT, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath3,357 sqftBuilt 2014

Property at a Glance

This home is estimated between $622,090 and $903,886, with a best estimate of $713,498. That places the property above the R491507D - PALOMA LAKE PLANTATION, GRANDHAVEN median of $499,831, in a neighborhood that declined 1.7% over the past year.

Estimated Value Range

$622,090 $903,886
Best Estimate
$713,498
WCAD Value
$590,623
Medium Confidence

Based on 5 comparable properties(4 in the same subdivision)

Based on 5 comparable properties (4 in the same subdivision, 1 nearby), the estimated range is $622,090 and $903,886. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

2843 DIEGO CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 3,000 sqft Built 2014
Raw Value $544,238
Adjusted Value $622,090

Adjusted +$77,852 for 357 sqft more living space. Net adjustment: +$77,852.

2854 DIEGO CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 3,070 sqft Built 2014
Raw Value $565,914
Adjusted Value $628,501

Adjusted +$62,587 for 287 sqft more living space. Net adjustment: +$62,587.

4 bed 3 bath 3,181 sqft Built 2016
Raw Value $683,869
Adjusted Value $713,498

Adjusted +$38,381 for 176 sqft more living space and -$8,752 for being older. Net adjustment: +$29,629.

2732 MADELENA CT, ROUND ROCK, TX 78665
0.00 mi 99% similar Same subdivision
4 bed 3 bath 1,921 sqft Built 2017
Raw Value $552,500
Adjusted Value $852,525

Adjusted +$313,152 for 1,436 sqft more living space and -$13,127 for being older. Net adjustment: +$300,025.

2733 MADELENA CT, ROUND ROCK, TX 78665
0.00 mi 95% similar Same subdivision
4 bed 3 bath 1,485 sqft Built 2016
Raw Value $504,406
Adjusted Value $903,886

Adjusted +$408,232 for 1,872 sqft more living space and -$8,752 for being older. Net adjustment: +$399,480.

The Neighborhood

This home is valued 18.2% above the R491507D - PALOMA LAKE PLANTATION, GRANDHAVEN median of $499,831. With 695 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 1.7% over the past year.

R491507D - PALOMA LAKE PLANTATION, GRANDHAVEN

above average
695 Properties
$499,831 Median Value
-1.7% YoY Change
1% Have Pool
100% Have Garage
This Home
$590,623
Median
$499,831

This home is +18.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $11,220 across all districts. With a homestead exemption claimed, that drops to $9,861 — saving $1,359 per year. That's $822 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%$5,275
Paloma Lakes MUD #1MUD0.3725%$2,200
Williamson CountyCounty0.3694%$2,182
Austin Community Collegespecial0.1034%$611
Williamson County ESD #9 - Round RockESD0.0999%$590
Williamson County FM/RdCounty0.0443%$262
Upper Brushy Creek WCIDWater0.0170%$100
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8997%$11,220

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $713,498 would pay approximately $4,454 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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