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How to write a demand letter

You have been wronged by someone who failed to do what they promised or what they should have done. The frustration and uncertainty can feel overwhelming, especially when you do not know where to start. A demand letter is a formal written request that gives the other party a clear chance to make things right before you take further action. There is a real, ordered set of steps you can follow to assert your position clearly and professionally.

The honest reality

Not every bad experience or broken promise gives you a legal claim. A real claim typically requires that the other person had a legal duty to you, they failed to meet that duty, and you suffered a measurable loss because of it. If you cannot point to a specific harm that can be fixed with money or action, you may be dealing with a disappointment rather than a case.

Your real options, cheapest first

1. There is no regulator here. A demand letter isn't filed with any regulator, it's a private letter to the other side, but many courts, and even the CFPB and FTC, treat 'did you send a written demand first' as evidence you tried to resolve things reasonably.
2. A demand letter. The letter itself should state, plainly: what happened, the specific harm or amount, what you're asking for, and a real deadline, sent by a method you can prove was received, certified mail or a dated email.
3. Small claims court. Keep a copy of the letter and proof of sending; it becomes evidence in small claims if the other side ignores it, showing the judge you gave them a fair chance first. No lawyer required; see our pro se guide.
4. A lawsuit. A demand letter that clearly states a legal claim, not just a complaint, can also prompt the other side's insurer or lawyer to respond faster than a lawsuit would, since it signals you're prepared to file one.

You don't need a lawyer to start

You are allowed to do this yourself

A regulator complaint, a demand letter, and small claims court are all built for people without lawyers. Read our pro se guide for how self-representation actually works, our small claims guide for that specific process, and if a lawyer's cost is the blocker at any stage, our can't-afford-a-lawyer triage covers every free and low-cost path, including legal aid.

Questions

What should I include in a demand letter?

Your letter should state the facts of what happened, explain why the other party is responsible, describe the harm you suffered, and specify exactly what you want them to do to resolve it. Keep the tone professional and stick to the key details without emotional language or threats.

How do I know if my claim is worth pursuing?

Consider whether you have clear evidence of the other party's fault and a real financial loss or injury. If the amount at stake is small or the evidence is weak, the effort and cost of a lawsuit may not be worthwhile. You can research your state's small claims limits to see if your case fits there.

Do I need a lawyer to write a demand letter?

You do not need a lawyer to write a demand letter, and many people write their own. However, if the situation is complex or involves a large amount of money, consulting a lawyer can help you avoid mistakes. A well-written letter from you can be just as effective as one from a lawyer in many cases.

Not legal advice and not a law firm. We don't predict outcomes, and deadlines and dollar thresholds vary by state and by claim, check your state's page before you rely on any number. If you can get a lawyer or free legal aid, do: start at lsc.gov.