What 5403 covers
- General carpentry that no more specific code covers.
- Construction and remodeling of residential buildings over three stories, and in North Carolina's and Wisconsin's descriptions, mixed-use buildings.
- Wooden decks, bridges, gazebos, pergolas, trellises, silos, and playground equipment. In Wisconsin's description, decking and detached structures built as part of a residential dwelling project within the height limit are 5645.
- Scaffolding, siding, and wrecking of wooden structures in North Carolina's description.
What doesn't belong in 5403
- Residential carpentry within 5645's limit.
- Cabinet and interior trim installation done as a separate operation, which has its own carpentry classification. Wisconsin includes it in 5645 when it is part of residential dwelling construction.
- Single specialty repairs that belong to their own trade classification.
Official titles by state
Each rating bureau publishes its own definition. Titles below are quoted exactly as the bureau publishes them; follow the link for the full official description.
| State | Official title for 5403 | Source |
|---|---|---|
| North Carolina | CARPENTRY - NOC | North Carolina bureau lookup |
| Wisconsin | CARPENTRY NOC | Wisconsin bureau: 5403 |
| New York | Carpentry – NOC – All Operations to Completion | New York bureau: 5403 |
Codes 5403 is often confused with
What a premium audit looks at
- Job files showing building type and height.
- Whether commercial remodeling involved structural carpentry. New York ties its 5403 remodeling assignment to structural or framing work.
- Certificates of insurance for any subcontracted trades.
Frequently asked questions
Is commercial carpentry classified as 5403?
Generally, yes. Carpentry on commercial structures that no more specific classification covers is assigned to 5403.
What does NOC mean in Carpentry NOC?
"Not otherwise classified." 5403 applies only when no more specific carpentry or trade classification fits the work.
Check the official manuals
- NCCI Class Look-Up The official tool for the states where NCCI administers the classification system.
- WCIRB California Classification Search California runs its own classification system; its code numbers don't map one-to-one to NCCI's.
- NYCIRB Classification Digest New York's official classification descriptions.
- WCRB Wisconsin Class Code Lookup Wisconsin's official classification descriptions.
- NCRB North Carolina Class Code Lookup North Carolina's official classification descriptions.
Rates aren't listed here on purpose. Class code rates and loss costs change by state, by carrier, and every year, so check the current figures with NCCI's Class Look-Up or your state's rating bureau (linked above), and with your own carrier for the rate on your policy.
Related terms
General information, not a classification ruling. Summaries on this page are written in plain English from the bureaus' published descriptions; the classification manual for the state where the work was performed governs, and the carrier and rating bureau determine the classification for any policy.
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