Part of CSI Dynamic Standards

OmniClass®

OmniClass® provides a consistent way to organize information about the built environment across projects, assets, and digital workflows. It supports a shared language as information moves between teams and systems.

OmniClass is included in CSI Dynamic Standards alongside MasterFormat® and UniFormat®. Use the CDS Platform to search the maintained standard and work from one connected source.

A company license is required for licensed standards access. Availability may vary by standard, edition, subscription, and licensing terms.

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CSI Dynamic Standards

OmniClass®

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CSI Dynamic Standards

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Common questions

Accessing OmniClass®

What is OmniClass®?

OmniClass® provides a consistent way to organize information about the built environment across projects, assets, and digital workflows. It supports a shared language as information moves between teams and systems.

What are OmniClass tables?

OmniClass uses separate hierarchical tables to classify different facets of the built environment, such as entities, spaces, elements, work results, products, phases, roles, tools, information, materials, and properties.

Where can I access OmniClass®?

OmniClass® is available in the CSI Dynamic Standards platform.

Is a license required for complete OmniClass® access?

A company license is required for licensed standards access in the CDS Platform. Availability may vary by standard, edition, subscription, and licensing terms. Sign in or contact The Construction Standard to confirm access to a specific edition.

Sources and review scope

Reviewed against CSI’s public standards information for scope, terminology, and licensing context. This public guide provides orientation and does not reproduce or replace the licensed standard. Content review date: July 30, 2026.

CSI Dynamic Standards

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