A property owner with five office buildings, total cost basis of $10 million, asked for cost segregation proposals. One firm quoted $43,000. A competitor quoted $12,000.
Same buildings. Same scope. A $31,000 gap.
It is tempting to assume the $12,000 proposal is the smart choice. Here is the math that says otherwise.
That $12,000 fee works out to about $2,200 per building. It is not a realistic price for a full cost segregation study on a commercial office building. When a proposal comes in that far below market, the honest question is not "how did they get it so cheap." It is "what are they skipping."
Cost segregation studies pay for themselves by reclassifying building components into shorter depreciation categories, accelerating deductions you can claim now instead of over 27.5 or 39 years. The whole point of paying for a study is the size of the deduction it finds. A rushed or shallow study finds less. That difference shows up on your tax return, not on the invoice.
Here is a simple way to stress-test any two proposals, regardless of property size.
In the $10 million example: a $31,000 fee difference, divided by a 25% tax bracket, means the thorough study needs to uncover about $124,000 more in deductions than the discount study to justify its higher price. Divided across a $10 million portfolio, that is about 1.2% variance in findings. A firm with deep experience and a strong track record clears that bar comfortably, and usually by a wide margin.
The same formula scales down. If a competitor is $1,000 cheaper and you are in the 25% bracket, you need conservatively $4,000 in additional deductions to break even. That is not a big ask for an engineering-based study ... done right.
You can pay for quality now, or pay for it later in the form of valid larger deduction you never claimed. A cut-rate provider that misses component classifications does not send you a bill for the mistake. The IRS just keeps a larger share of your income than it should have.
Separately, if the study has major deficiencies, like an unreasonable land basis or depreciation figures that are clearly off the charts, your CPA may not be willing to sign off on it at all and use it for your return. At that point you have not saved money. You have paid full price for a cheap study you cannot use.
Before choosing a provider based on price alone, ask what is actually included in the study, who is performing it, and what their track record looks like on properties similar to yours. The cheapest number on the page is not the cheapest outcome once the tax return is filed.
Want a fee comparison that actually holds up? Yield Shield will walk you through the break-even math on your specific proposals before you sign anything.