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2957 DIEGO DR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath2,058 sqftBuilt 2018

Property at a Glance

This home is estimated between $362,464 and $505,519, with a best estimate of $463,582. 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

$362,464 $505,519
Best Estimate
$463,582
WCAD Value
$488,375
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 $362,464 and $505,519 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 $469,791

Adjusted +$37,290 for 171 sqft more living space and +$8,752 for being newer. Net adjustment: +$46,042.

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 $463,582

Adjusted +$46,013 for 211 sqft more living space and +$4,376 for being newer. Net adjustment: +$50,389.

4 bed 3 bath 1,920 sqft Built 2016
Raw Value $384,616
Adjusted Value $423,462

Adjusted +$30,094 for 138 sqft more living space and +$8,752 for being newer. Net adjustment: +$38,846.

3 bed 1,985 sqft Built 2018
Raw Value $346,545
Adjusted Value $362,464

Adjusted +$15,919 for 73 sqft more living space. Net adjustment: +$15,919.

4 bed 2 bath 2,010 sqft Built 2013
Raw Value $473,173
Adjusted Value $505,519

Adjusted +$10,467 for 48 sqft more living space and +$21,879 for being newer. Net adjustment: +$32,346.

The Neighborhood

This home is valued 2.3% below the R491507D - PALOMA LAKE PLANTATION, GRANDHAVEN median of $499,831. That positions it competitively for buyers comparing within the neighborhood. 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
$488,375
Median
$499,831

This home is -2.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,278 across all districts. With a homestead exemption claimed, that drops to $7,937 — saving $1,341 per year. That's $661 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%$4,362
Paloma Lakes MUD #1MUD0.3725%$1,819
Williamson CountyCounty0.3694%$1,804
Austin Community Collegespecial0.1034%$505
Williamson County ESD #9 - Round RockESD0.0999%$488
Williamson County FM/RdCounty0.0443%$216
Upper Brushy Creek WCIDWater0.0170%$83
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8997%$9,278

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $463,582 would pay approximately $2,894 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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