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2843 DIEGO CT, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath3,000 sqftBuilt 2014

Property at a Glance

This home is estimated between $550,649 and $774,673, with a best estimate of $632,962. 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

$550,649 $774,673
Best Estimate
$632,962
WCAD Value
$544,238
Medium Confidence

Based on 5 comparable properties(4 in the same subdivision)

Based on 5 comparable properties (4 in the same subdivision, 1 nearby), the estimated range is $550,649 and $774,673. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

2732 MADELENA CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,921 sqft Built 2017
Raw Value $552,500
Adjusted Value $774,673

Adjusted +$235,300 for 1,079 sqft more living space and -$13,127 for being older. Net adjustment: +$222,173.

2854 DIEGO CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 3,070 sqft Built 2014
Raw Value $565,914
Adjusted Value $550,649

Adjusted -$15,265 for 70 sqft less living space. Net adjustment: -$15,265.

4 bed 3 bath 3,181 sqft Built 2016
Raw Value $683,869
Adjusted Value $635,646

Adjusted -$39,471 for 181 sqft less living space and -$8,752 for being older. Net adjustment: -$48,223.

2850 DIEGO CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,890 sqft Built 2014
Raw Value $565,719
Adjusted Value $589,707

Adjusted +$23,988 for 110 sqft more living space. Net adjustment: +$23,988.

2728 MADELENA CT, ROUND ROCK, TX 78665
0.00 mi 97% similar Same subdivision
3 bed 2 bath 2,270 sqft Built 2016
Raw Value $482,521
Adjusted Value $632,962

Adjusted +$159,193 for 730 sqft more living space and -$8,752 for being older. Net adjustment: +$150,441.

The Neighborhood

This home is valued 8.9% 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
$544,238
Median
$499,831

This home is +8.9% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,339 across all districts. With a homestead exemption claimed, that drops to $8,988 — saving $1,351 per year. That's $749 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%$4,861
Paloma Lakes MUD #1MUD0.3725%$2,027
Williamson CountyCounty0.3694%$2,011
Austin Community Collegespecial0.1034%$563
Williamson County ESD #9 - Round RockESD0.0999%$544
Williamson County FM/RdCounty0.0443%$241
Upper Brushy Creek WCIDWater0.0170%$93
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8997%$10,339

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $632,962 would pay approximately $3,951 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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