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This help desk is a free resource intended for discussion purposes only. Neither BOMA, its chapters, affiliates, or Extreme Measures Inc.® are responsible for the information, comments or opinions expressed herein. For complete information, refer to the official publications of the standards themselves.

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BOMA Tolerances For Lease Space

Nate Warner
Loring Design Group, LLC
May 26, 2022

I would like to inquire as to what the BOMA tolerances are on a commercial lease space? Tenant has a difference in square footage of 95sf. Can you please advise?

Thank you!

David Fingret
Extreme Measures Inc.
May 30, 2022

Hi Nate,

The usual accepted tolerance is 2%. BOMA 2017 Office standard states the following, for example:

It is not unusual for BOMA area calculations produced by one party to differ slightly from calculations
produced by another party. Such areas are deemed accurate when the variance between two parties is
less than two percent (2%). If the variance of any contested area is demonstrated to be greater than two
percent, it is recommended that an unbiased third party be sought to resolve the matter.


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