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2729 DIEGO DR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath3,306 sqftBuilt 2013

Property at a Glance

This home is estimated between $683,824 and $1,010,719, with a best estimate of $689,796. 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

$683,824 $1,010,719
Best Estimate
$689,796
WCAD Value
$565,211
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 $683,824 and $1,010,719 should be treated as a rough guide.

Comparable Properties (5)

4 bed 3 bath 2,588 sqft Built 2020
Raw Value $559,621
Adjusted Value $685,566

Adjusted +$156,576 for 718 sqft more living space and -$30,631 for being older. Net adjustment: +$125,945.

4 bed 3 bath 2,532 sqft Built 2021
Raw Value $550,043
Adjusted Value $683,824

Adjusted +$168,788 for 774 sqft more living space and -$35,007 for being older. Net adjustment: +$133,781.

5 bed 3 bath 2,301 sqft Built 2021
Raw Value $792,260
Adjusted Value $976,416

Adjusted +$219,163 for 1,005 sqft more living space and -$35,007 for being older. Net adjustment: +$184,156.

4 bed 3 bath 2,470 sqft Built 2013
Raw Value $828,410
Adjusted Value $1,010,719

Adjusted +$182,309 for 836 sqft more living space. Net adjustment: +$182,309.

3 bed 2 bath 1,758 sqft Built 2014
Raw Value $356,596
Adjusted Value $689,796

Adjusted +$337,576 for 1,548 sqft more living space and -$4,376 for being older. Net adjustment: +$333,200.

The Neighborhood

This home is valued 13.1% 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
$565,211
Median
$499,831

This home is +13.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,737 across all districts. With a homestead exemption claimed, that drops to $9,382 — saving $1,355 per year. That's $782 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%$5,048
Paloma Lakes MUD #1MUD0.3725%$2,105
Williamson CountyCounty0.3694%$2,088
Austin Community Collegespecial0.1034%$584
Williamson County ESD #9 - Round RockESD0.0999%$565
Williamson County FM/RdCounty0.0443%$251
Upper Brushy Creek WCIDWater0.0170%$96
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8997%$10,737

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $689,796 would pay approximately $4,306 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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