Why a letter works better than a phone call
A demand letter does two jobs at once. First, it sometimes just works — a formal, dated letter reads differently than a text message, and a real share of disputes end here, before a court is ever involved. Second, if it doesn't work, you now have proof that you asked before you sued, which is exactly what a judge expects to see. A phone call can't do either of those things as convincingly.
What belongs in it
- The facts, in order, with dates — what was agreed to, what happened, what didn't.
- One exact dollar amount. Not a range, not "around" — a number.
- One deadline to respond by. Not "soon" — a specific date.
- One clear consequence if the deadline passes: that you'll file in small claims court.
- Copies (never originals) of anything that backs up the story — a lease clause, an invoice, a text thread.
What quietly undoes a demand letter
The letters that get ignored tend to share the same problems: several different dates and dollar figures scattered through the letter instead of one clean version of events, language that reads angry instead of factual, or no real deadline at all — just an implied "please pay eventually." None of that makes a reader feel any urgency to respond. A letter that reads like it was written five minutes before filing the actual court paperwork tends to get taken a lot more seriously than one that reads like a vent.
If they respond
Get anything they agree to in writing — even a text confirming a payment plan is worth keeping. If they pay in full, you're done. If they pay partially or make a promise and miss it, that written record becomes useful evidence later, including for a court's statute-of-limitations clock, which generally runs from when a debt was due (four years for a written contract, two for an oral one, under Code Civ. Proc. §§ 337, 339).