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2930 DIEGO DR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,847 sqftBuilt 2017

Property at a Glance

This home is estimated between $355,076 and $451,378, with a best estimate of $378,681. 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

$355,076 $451,378
Best Estimate
$378,681
WCAD Value
$413,193
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R491507D - PALOMA LAKE PLANTATION, GRANDHAVEN. The estimated range of $355,076 and $451,378 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 1,840 sqft Built 2007
Raw Value $406,093
Adjusted Value $451,378

Adjusted +$1,527 for 7 sqft more living space and +$43,758 for being newer. Net adjustment: +$45,285.

3 bed 2 bath 1,845 sqft Built 2015
Raw Value $346,483
Adjusted Value $355,671

Adjusted +$436 for 2 sqft more living space and +$8,752 for being newer. Net adjustment: +$9,188.

3 bed 2 bath 1,706 sqft Built 2017
Raw Value $347,933
Adjusted Value $378,681

Adjusted +$30,748 for 141 sqft more living space. Net adjustment: +$30,748.

3 bed 2 bath 1,855 sqft Built 2015
Raw Value $348,069
Adjusted Value $355,076

Adjusted -$1,745 for 8 sqft less living space and +$8,752 for being newer. Net adjustment: +$7,007.

3 bed 2 bath 1,775 sqft Built 2010
Raw Value $376,561
Adjusted Value $422,893

Adjusted +$15,701 for 72 sqft more living space and +$30,631 for being newer. Net adjustment: +$46,332.

The Neighborhood

This home is valued 17.3% 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

below average
695 Properties
$499,831 Median Value
-1.7% YoY Change
1% Have Pool
100% Have Garage
This Home
$413,193
Median
$499,831

This home is -17.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,849 across all districts. With a homestead exemption claimed, that drops to $6,523 — saving $1,326 per year. That's $544 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%$3,690
Paloma Lakes MUD #1MUD0.3725%$1,539
Williamson CountyCounty0.3694%$1,527
Austin Community Collegespecial0.1034%$427
Williamson County ESD #9 - Round RockESD0.0999%$413
Williamson County FM/RdCounty0.0443%$183
Upper Brushy Creek WCIDWater0.0170%$70
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8997%$7,849

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $378,681 would pay approximately $2,364 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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