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2600 DIEGO DR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath1,900 sqftBuilt 2013

Property at a Glance

This home is estimated between $367,128 and $600,734, with a best estimate of $413,457. That places the property below the R491507D - PALOMA LAKE PLANTATION, GRANDHAVEN median of $499,831, in a neighborhood that declined 1.7% over the past year.

Estimated Value Range

$367,128 $600,734
Best Estimate
$413,457
WCAD Value
$607,080
Low Confidence

Based on 5 comparable properties(1 in the same subdivision)

There are 5 comparable properties within range, but few are in R491507D - PALOMA LAKE PLANTATION, GRANDHAVEN. The estimated range of $367,128 and $600,734 should be treated as a rough guide.

Comparable Properties (5)

4 bed 3 bath 1,887 sqft Built 2016
Raw Value $423,749
Adjusted Value $413,457

Adjusted +$2,835 for 13 sqft more living space and -$13,127 for being older. Net adjustment: -$10,292.

2930 DIEGO DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,847 sqft Built 2017
Raw Value $413,193
Adjusted Value $407,248

Adjusted +$11,558 for 53 sqft more living space and -$17,503 for being older. Net adjustment: -$5,945.

4 bed 3 bath 1,920 sqft Built 2016
Raw Value $384,616
Adjusted Value $367,128

Adjusted -$4,361 for 20 sqft less living space and -$13,127 for being older. Net adjustment: -$17,488.

4 bed 3 bath 1,658 sqft Built 2011
Raw Value $539,208
Adjusted Value $600,734

Adjusted +$52,774 for 242 sqft more living space and +$8,752 for being newer. Net adjustment: +$61,526.

4 bed 2 bath 2,010 sqft Built 2013
Raw Value $473,173
Adjusted Value $449,185

Adjusted -$23,988 for 110 sqft less living space. Net adjustment: -$23,988.

The Neighborhood

This home is valued 21.5% 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
$607,080
Median
$499,831

This home is +21.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $11,533 across all districts. With a homestead exemption claimed, that drops to $10,170 — saving $1,363 per year. That's $848 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%$5,422
Paloma Lakes MUD #1MUD0.3725%$2,261
Williamson CountyCounty0.3694%$2,243
Austin Community Collegespecial0.1034%$628
Williamson County ESD #9 - Round RockESD0.0999%$607
Williamson County FM/RdCounty0.0443%$269
Upper Brushy Creek WCIDWater0.0170%$103
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8997%$11,533

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $413,457 would pay approximately $2,581 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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