---
title: "BOMA standard — Class A Atlas glossary"
description: "The Building Owners and Managers Association measurement standard for US office."
canonical: https://classa.info/glossary/boma
pageType: glossary
lastUpdated: 2026-04-01T00:00:00.000Z
license: "CC BY 4.0 with attribution to Class A Atlas (https://classa.info)."
---

> The Building Owners and Managers Association measurement standard for US office.

## TL;DR

- The Building Owners and Managers Association measurement standard for US office.
- BOMA standards (most recently the 2017 ANSI/BOMA Office Standard) define how rentable and usable square feet are measured.

# BOMA standard

*Measurement · US*

## Short definition

The Building Owners and Managers Association measurement standard for US office.

## Full definition

BOMA standards (most recently the 2017 ANSI/BOMA Office Standard) define how rentable and usable square feet are measured. Different BOMA standards (1996, 2010, 2017) yield materially different numbers — always confirm which standard a quoted measurement uses.

## Why this matters for Class A leasing

BOMA standard is part of the measurement vocabulary that institutional [Class A](/glossary/class-a) occupiers, landlords, and advisers use across US markets. Understanding it correctly affects how you read lease documents, model occupancy economics, and benchmark deal terms across cities. Class A Atlas tracks the US definition alongside the global standard so [cross-border](/topics/cross-border-expansion) occupiers can translate quickly.

## See also

- [Rentable square feet (RSF)](/glossary/rentable-square-feet)
- [Usable square feet (USF)](/glossary/usable-square-feet)

---

Citation: Source: Class A Atlas (https://classa.info/glossary/boma), updated 2026-04-01T00:00:00.000Z.