Are Non-Compete Agreements Enforceable in Idaho?

Non-compete agreements are enforceable in Idaho, but only within a narrow lane. Idaho Code Title 44, Chapter 27 limits them to “key employees” and “key independent contractors,” requires the employer to be protecting a legitimate business interest, and caps most restrictions at eighteen months. Anything outside that lane is either unenforceable or gets rewritten by a court into something that fits.

Whether your agreement will actually hold up depends on four things: who you are to the employer, what the employer is trying to protect, how broad the restriction is, and what a judge decides to do with it if any piece is unreasonable.

Who the Law Actually Covers

Idaho’s statute does not reach every worker who signs a non-compete. It only governs agreements with “key employees” and “key independent contractors.” A key employee is someone who, because of the employer’s investment of time, money, trust, or exposure to the company’s technologies, customers, vendors, or public presence, has gained a high level of inside knowledge, influence, or reputation and can therefore harm the employer’s legitimate business interests.¹

If you are in the top five percent of your employer’s workforce by pay, Idaho law presumes you qualify. The presumption is rebuttable, but to beat it you would have to show you have no ability to adversely affect the employer’s legitimate business interests.²

If you fall outside the top five percent and had no real access to proprietary information, customer relationships, or strategic knowledge, the threshold argument is a strong one. An employer trying to enforce a non-compete against a rank-and-file worker is fighting uphill from the start.

What the Employer Has to Be Protecting

Even against a key employee, a non-compete has to protect a “legitimate business interest.” Idaho Code 44-2702 defines that term to include goodwill, technologies, intellectual property, business plans, business processes and methods of operation, customers, customer lists, customer contacts and referral sources, vendors and vendor contacts, financial and marketing information, and trade secrets as defined under Idaho’s Trade Secrets Act.¹

The list is non-exhaustive, so employers can argue other interests qualify. But a general objection that competition is inconvenient does not count. The employer must point to something concrete the departing worker could actually use against them.

Reasonable Duration, Geography, and Scope

Idaho sets rebuttable presumptions for each enforceability factor. An agreement inside the presumptions puts the burden on the challenger to prove it unreasonable.

Duration

Eighteen months or less is presumed reasonable. This is also effectively a hard ceiling: a non-compete cannot exceed eighteen months unless the employer gave additional consideration beyond employment or continued employment.² Additional consideration could be a signing bonus, severance, stock options, or some other benefit you would not have received just by taking or keeping the job. Without that extra, anything past eighteen months is unenforceable on its face.

Geographic Area

The restriction is presumed reasonable as to geography if it is limited to the areas where the key employee actually provided services or had significant presence or influence.² An agreement that covers the entire state when you only worked the Boise market is vulnerable. The map should match your actual footprint, not the employer’s wish list.

Type of Work

Scope is presumed reasonable if the restriction is limited to the type of employment or line of business the employee actually conducted.² A software engineer cannot be reasonably barred from unrelated fields the former employer happens to touch.

Written Agreement

Idaho Code 44-2701 requires the non-compete to be in writing, and it cannot impose a greater restraint than reasonably necessary to protect the employer’s interests.³ A verbal promise not to compete is not enforceable under Chapter 27.

What a Court Does With an Overbroad Agreement

Here Idaho departs from many other states. Under Idaho Code 44-2703, if a court finds any part of a non-compete unreasonable, it does not toss the agreement. It is required to modify the agreement to reflect the parties’ intent and make it reasonable, then enforce the trimmed version.¹

This is “blue-penciling,” and Idaho’s version is aggressive. Some states let courts only strike offending language; Idaho courts can actively rewrite terms. The practical consequence for employees: do not count on an overbroad agreement being voided outright. Even a sloppily drafted non-compete can survive in reduced form. For employers, the rule limits the downside of aggressive drafting, though the court may reshape the agreement into something much narrower than intended.

Defenses That Work

Several arguments can defeat or narrow a non-compete in Idaho.

You were not a key employee. If you were not in the top five percent of earners and lacked the inside knowledge, customer relationships, or public role the statute describes, the agreement may never have lawfully applied to you.¹
No legitimate business interest at stake. General industry knowledge is not proprietary information. Customer relationships built on your personal reputation, rather than the employer’s investment, may not qualify either.
Duration past eighteen months with no extra consideration. Anything beyond that cap is unenforceable as a matter of law if the employer gave nothing beyond the job itself.²
The agreement is not in writing. A verbal understanding does not satisfy Chapter 27.³
Unreasonable geography or scope. These arguments rarely free you from the whole agreement because of blue-penciling, but they can shrink what gets enforced.

One defense Idaho law weakens: using overbreadth as a complete shield. Because courts must reform unreasonable agreements rather than void them, proving one restriction is too broad does not free you from the rest. The court trims and enforces what remains.

What the Employer Can Get If You Breach

Chapter 27 does not spell out statutory penalties. Remedies come from general contract and equity law. The most common and most immediate is injunctive relief: a court order to stop the competing activity. Employers usually seek this first because damages alone cannot undo the harm of a former employee actively competing with inside knowledge.

Beyond injunctions, an employer can pursue monetary damages for lost profits, the value of diverted customers, or other measurable financial harm. Some agreements include a liquidated damages clause that fixes the payout in advance, which avoids proving exact losses at trial. Attorney’s fees are often in play as well, which raises the stakes for both sides before anyone files anything.

Where Federal Law Stands

In April 2024, the Federal Trade Commission announced a rule that would have banned most non-compete agreements nationwide. It never took effect. After legal challenges, the FTC formally withdrew its appeals in September 2025 and rescinded the Non-Compete Clause Rule, removing it from the Code of Federal Regulations.⁴ There is no federal ban in place. Idaho’s Chapter 27 is the controlling law.

If you are weighing whether a specific agreement will hold, the questions to work through are the same ones a court will: Are you a key employee under the statute? Is the employer protecting a real, defined interest? Are the duration, geography, and scope tied to what you actually did? And if any piece is too broad, what would a reasonable version look like, because that is what you may end up bound by.

1
Idaho State Bar. Idaho Code Title 44 Chapter 27 – Agreements and Covenants Protecting Legitimate Business Interests
2
Idaho State Legislature. Idaho Code 44-2704 – Restriction of Direct Competition — Rebuttable Presumptions
3
Idaho State Legislature. Idaho Code 44-2701 – Agreements and Covenants Protecting Legitimate Business Interests
4
Federal Trade Commission. Federal Trade Commission Files to Accede to Vacatur of Non-Compete Clause Rule