Outright ban (most workers)
California (Bus. & Prof. Code §16600 — bans almost all employee non-competes), North Dakota, Oklahoma, and (with growing exceptions) Minnesota. In these states, the default is the clause does not bind you. Sale-of-business carve-outs may still apply.
Income-threshold limits
Washington, Illinois, Colorado, Oregon, Massachusetts, and others enforce non-competes only above stated income thresholds (typically $100K–$150K+). Lower-paid workers are exempt.
Industry / role limits
Several states bar non-competes entirely for specific roles — doctors, broadcasters, lawyers, certain low-wage workers — even where the general law allows them.
Reasonableness states
The majority — Texas, Florida, New York, Georgia, and more — allow non-competes if they're reasonable in scope, duration, and geography, and protect a legitimate business interest. Courts vary a lot.
Notice + procedural rules
Several states (e.g., MA, OR, WA, IL) require advance notice, separate signing, garden-leave pay, or specific disclosures. Skipping these steps can void the whole clause.
Sale-of-business carve-out
Almost every state still allows a non-compete attached to the sale of a business — including California. If you're selling a company, expect to sign one.
This is an overview, not legal advice for your specific situation. Your reviewing attorney will tell you what your state law actually says about your contract.