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2973 DIEGO DR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath2,424 sqftBuilt 2017

Property at a Glance

This home is estimated between $489,057 and $998,222, with a best estimate of $539,021. 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

$489,057 $998,222
Best Estimate
$539,021
WCAD Value
$528,817
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 $489,057 and $998,222 should be treated as a rough guide.

Comparable Properties (5)

4 bed 3 bath 2,470 sqft Built 2013
Raw Value $828,410
Adjusted Value $835,882

Adjusted -$10,031 for 46 sqft less living space and +$17,503 for being newer. Net adjustment: +$7,472.

4 bed 4 bath 2,328 sqft Built 2015
Raw Value $459,370
Adjusted Value $489,057

Adjusted +$20,935 for 96 sqft more living space and +$8,752 for being newer. Net adjustment: +$29,687.

4 bed 3 bath 2,382 sqft Built 2002
Raw Value $923,426
Adjusted Value $998,222

Adjusted +$9,159 for 42 sqft more living space and +$65,637 for being newer. Net adjustment: +$74,796.

2930 DIEGO DR, ROUND ROCK, TX 78665
0.00 mi 98% similar Same subdivision
3 bed 2 bath 1,847 sqft Built 2017
Raw Value $413,193
Adjusted Value $539,021

Adjusted +$125,828 for 577 sqft more living space. Net adjustment: +$125,828.

4 bed 3 bath 1,920 sqft Built 2016
Raw Value $384,616
Adjusted Value $498,900

Adjusted +$109,908 for 504 sqft more living space and +$4,376 for being newer. Net adjustment: +$114,284.

The Neighborhood

This home is valued 5.8% 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

typical
695 Properties
$499,831 Median Value
-1.7% YoY Change
1% Have Pool
100% Have Garage
This Home
$528,817
Median
$499,831

This home is +5.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,046 across all districts. With a homestead exemption claimed, that drops to $8,698 — saving $1,348 per year. That's $725 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%$4,723
Paloma Lakes MUD #1MUD0.3725%$1,970
Williamson CountyCounty0.3694%$1,954
Austin Community Collegespecial0.1034%$547
Williamson County ESD #9 - Round RockESD0.0999%$528
Williamson County FM/RdCounty0.0443%$234
Upper Brushy Creek WCIDWater0.0170%$90
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8997%$10,046

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $539,021 would pay approximately $3,365 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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