CSI Code Lookup & Classification Search
Need to look up CSI codes? The platform provides instant lookup access to MasterFormat sections, UniFormat elements, and OmniClass tables — all in one connected system.
Looking Up CSI Codes
Need to look up CSI codes? The platform provides instant lookup access to MasterFormat sections, UniFormat elements, and OmniClass tables — all in one connected, searchable system.
The platform: Live CSI Lookup
The Construction Standard provides licensed access to CSI Dynamic Standards. The platform provides:
Search Across All Three Standards - Look up MasterFormat sections by number or title - Search UniFormat elements by code or description - Find OmniClass table entries by code or classification - Cross-reference between all three standards
Always Current - Reflects the latest CSI-approved classifications - Updates automatically when CSI publishes changes - No stale data or outdated editions
Cross-Referenced - See governed crosswalks between MasterFormat, UniFormat, and OmniClass - Map specifications to building elements to lifecycle classifications - Connect design, construction, and operations data
Edition-Aware - Track what changed between editions - Know which edition you're using - Avoid edition mismatches
Get Started
The Construction Standard provides licensed access to MasterFormat, UniFormat, and OmniClass through the platform — the live lookup tool for all three CSI standards.
Ready to Get Started?
CSI Dynamic Standards includes MasterFormat, UniFormat, and OmniClass as a connected, edition-aware system. The Construction Standard provides licensed access—built for the speed of your work.