Over-assessed vs. comparables

105 S Custer Rd , Allen, Tx 75013

Allen, 75013 · Collin County, Texas · commercial property · 2,800 sq ft · Texas Tax Code §42.26

$14,280estimated overpaid in property tax / year

This property's assessment sits above the comparable basis its tax bill should follow — a strong opening for an appeal.

What the public records show

Collin public rollTexas
Current assessment$1,778,718
What the comparable appraisals support$1,129,643
Estimated over-assessment$649,075 · 36.5%
Comparable basis$403/SF
Estimated tax saved / year$14,280

Straight from the public Texas roll. The estimated saving applies an estimated composite millage to the over-assessment. We adjust comparables for size, age, and location before we say a word about your property — and we never name owners.

The comparable basis

The 8 comparable appraisals behind the number

Each comparable is adjusted toward this property for size and age, then we take the median. Owners are never named — only the public assessment figures matter.

Comparable assessment $/SFAdjusted $/SFSizeBuilt
$5$52,832 SF2024
$5$52,832 SF2024
$322$3222,740 SF2025
$353$3532,816 SF2025
$395$3912,812 SF2023
$420$4162,780 SF2023
$421$4202,697 SF2025
$770$7552,832 SF2021

Why this is the lever

Texas Tax Code §42.26

Under §42.26, if a property is appraised above the median appraised value of a reasonable number of comparable properties (adjusted for size, age, and location), the value must be brought down to that median.

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