Demand Letter: What It Is and How the Process Works

This guide explains what a demand letter is, what it includes, and what happens after the letter arrives. You will also see how California’s filing deadlines interact with a settlement demand, and when a letter leads to payment instead of court.

Key Takeaways

• A demand letter is a formal written notice that describes a dispute, states what the sender wants, and sets a deadline to respond.
• An attorney demand letter in an injury claim typically lays out the accident, the injuries, the costs, and a requested settlement amount.
• California law does not fix the reply window inside a demand letter; 30 days is a negotiation custom, not a statute.
• Most demand letters end in negotiation. Payment often follows after a settlement release is signed.

What Is a Demand Letter?

A demand letter is a formal written document that describes a dispute, states what the sender wants, and sets a response deadline. The demand might be payment, a repair, or a specific action. The letter also warns that the sender may escalate if the deadline passes without a reply.

In injury cases, the letter usually goes to an insurance company and opens settlement talks. A copy of the letter also becomes part of the claim’s record, which matters if the dispute later reaches a courtroom.

Who Sends Demand Letters and Why

Demand letters appear across many kinds of disputes. A customer might send one over a failed repair. A business might send one over unpaid invoices. An injured person’s attorney might send one to an insurance company to start settlement talks.

Whatever the setting, a demand letter does the same three things. It describes what happened, states what the sender wants, and sets a date for a response. The letter also creates a written record of the dispute before anything reaches a courtroom.

What Is a Demand Letter From an Attorney?

A demand letter from an attorney is a formal notice written by a lawyer on a client’s behalf. It carries more weight than a letter from an individual for two reasons. First, the letter signals that the sender already has counsel. Second, it shows that the sender is prepared to litigate if negotiations fail.

In an injury claim, this letter is typically the first serious settlement document the other side sees. Insurers often route it to an experienced adjuster, who then opens a file and begins evaluating the evidence package.

What Goes Inside a Demand Letter?

Attorney demand letters usually contain the same core parts:

• The parties: who is making the demand and who must respond.
• The facts: a dated account of the incident and why the recipient is responsible.
• The harm: the injuries, the treatment received, and the effect on daily life.
• The damages: itemized medical bills, lost income, and other losses.
• The demand: a specific dollar figure or requested action.
• The deadline: a date by which the recipient should respond.
• The warning: a statement that the sender may file suit if the dispute stays unresolved.

Supporting records travel with the letter, often including police reports, photographs, witness statements, and medical bills. The stronger and more complete the package, the harder it is for the recipient to stall.

What Happens After a Demand Letter Is Sent?

After a demand letter arrives, the recipient usually reviews it and responds in one of five ways:

1. Review. The recipient checks the letter against its records and routes it to an adjuster or attorney.
2. A counteroffer. Most responses arrive as a lower offer rather than full acceptance, and negotiation follows.
3. A request for evidence. The recipient may ask for medical records, bills, or witness information before deciding.
4. A denial. The recipient may dispute fault or say the claim falls outside the policy.
5. Silence or delay. Some recipients never answer, and follow-up letters keep the claim moving.

How Long After a Demand Letter Can You Expect a Settlement?

Settlement usually arrives within a few weeks to several months after a demand letter goes out. The range is wide because each claim follows its own timeline. Nolo’s guidance lists the main factors. They include the demand’s size, the volume of medical records, disputes over fault, the policy limits at play, and the adjuster’s caseload.

Stage	Typical window	What moves it
Insurer review of the demand	A few weeks to a few months	Demand size, evidence quality, records requests
Negotiation	Weeks to months	Offer gaps, counteroffers, fault disputes
Payment after an agreement	Varies by insurer	Release processing, liens, claim volume

When a Demand Letter Does Not End in Settlement

Not every demand letter produces a check. Negotiations can stall when the parties disagree about fault, when records are incomplete, or when the demand exceeds the available policy limits. At that point, the sender’s main option is a lawsuit.

A lawsuit runs on the court’s calendar rather than a letter’s deadline, and litigation stretches claims across many months. California’s statute of limitations applies no matter where negotiations stand, so a sender who waits too long risks losing the right to sue entirely.

How Kirtland & Packard LLP Builds Demand Packages

Kirtland & Packard LLP is a personal injury and employment law firm based in Redondo Beach, California. Our attorneys have represented injured clients for decade, and that trial record matters at the demand stage. Insurers price settlement offers against the risk of losing at trial, and a firm known for trying cases changes that calculation.

If you are weighing a demand letter against your own situation, our attorneys can review the facts and explain your options. You may be entitled to compensation for medical bills, lost income, and other losses. A free consultation can help you understand where your claim stands. Our team also represents people hurt in car crashes across Los Angeles. Read more about that practice on our car accident lawyer page.

Get Help From Kirtland & Packard LLP

A demand letter is often the first real move in a claim, and the quality of that first move shapes everything after it. Kirtland & Packard LLP has tried cases for clients in the South Bay and across Los Angeles for decades. Our attorneys know how a demand package needs to be prepared.

You pay no fees or costs to our firm unless we win your case. Call (310) 536-1000 for a complimentary consultation. Calls Answered 24/7 | Se habla español.

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