Worked example · Commercial

Cost segregation on a $2M Commercial reclassifies $285,000 into accelerated depreciation.

Engineering-based study using RSMeans 2026 cost data and IRS Audit Techniques Guide methodology. Numbers below are computed from the same formula our production studies use — adjust for your actual property with the calculator at the bottom.

Accelerated depreciation
$285,000
19% of $1,500,000 basis
Year-1 federal tax savings
$105,450
at 37% marginal bracket
Return on study cost
35×
study fee $2,995
MACRS class breakdown

How the $285,000 splits across 5-, 7-, and 15-year property.

These percentages are illustrative for a commercial of this size and age. Your study reports component-level detail so your CPA can place each item on the correct depreciation schedule.

45%
15%
40%

5-year property

$128,250

Personal property: appliances, carpet, FF&E, decorative finishes. Fully bonus-eligible at 100% under OBBBA (2025+).

7-year property

$42,750

Office furniture, certain equipment, specialty fixtures. Also bonus-eligible.

15-year property

$114,000

Land improvements: driveways, fencing, landscaping, site lighting. Bonus-eligible.

Year-1 deduction comparison

Without a study vs. with one.

Standard depreciation
1,500,000 ÷ 39 years
$38,462
Year-1 deduction (no study)
With cost seg + 100% bonus
5/7/15-yr accelerated
$285,000
Year-1 deduction
Difference
+$246,538 pulled forward into Year 1

At a 37% federal bracket, that's $105,450 in cash you keep instead of paying — a 35× return on the $2,995 study. Run it on your actual property below.

Run your numbers

Your property is probably not exactly $2M.

Plug in your actual purchase price, property type, age, and finish level on the homepage calculator. It uses the same engine — no signup, results in 60 seconds.

If the math works for your property

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