Security Deposit Demand Letter: Template and When to Send

A security deposit demand letter is one page you send your former landlord after the statutory deadline to return the deposit has passed. It states the date the deadline fell, names the statute they missed, says what you are owed, and gives them a date to pay it by. Its real job is not persuasion. It is evidence that you asked, in writing, before you filed.

Send it after the deadline, not before

This is the mistake that costs people the advantage. Until the deadline has expired the landlord has broken nothing, and a demand arriving early reads as impatience rather than as notice.

So work out the date first. The deadline runs from a different trigger in six states — in Texas nothing starts until you have given a written forwarding address, and in Connecticut, Wyoming, South Dakota, Kansas and Alaska the count depends on notice or on the later of two dates. The deadline for all 50 states and DC is in one table, with the trigger for each.

The three things to look up before you write

The letter has three blanks that have to be right, and all three come from your own state:

1. The deadline — 14 days in New York, 21 in California, 30 in most states, 60 in Alabama and Arkansas. Count from your state’s trigger, not from your last night in the unit.
2. The statute — quote it by number. Cal. Civ. Code § 1950.5(h)(1) is harder to argue with than “California law says”, and it signals you have read it.
3. What you can claim — in 39 of the 51 jurisdictions the statute allows a multiple of the amount withheld, often two or three times, and 21 add your attorney fees. Name it. This is the number that settles letters.

All three sit in the same row of that table.

The letter

One page. Replace what is in brackets and delete nothing else.

Keep it flat. No history of the tenancy, no account of how they behaved, no adjectives. A judge reading it later wants to see that you gave notice and a date, and an angry letter is worth less than a dull one.

What to attach

• the signed lease, including any addendum about cleaning or move-out condition;
• proof of what you paid — a receipt, a bank record, or the lease clause stating it;
• the written forwarding address you sent, and proof you sent it;
• the itemized statement, if one arrived late or incomplete. Its lateness is part of your case.

Keep your move-out photographs but do not attach them. They matter in court; in a letter they invite an argument about each one.

How to send it

Certified mail with return receipt, because it produces a dated record that the letter arrived. Email too if you have been corresponding that way, but not instead. Keep the copy and the receipt together — the pair is the evidence, not the letter alone.

What usually happens next

• They pay. The common outcome where the deadline was missed through disorganisation rather than intent.
• They send the itemized statement late. Late is still late. In six states — Colorado, Florida, Maryland, New York, South Dakota and Wisconsin — missing the deadline forfeits the right to withhold anything at all.
• They offer part of it. Compare the offer with the statutory figure before accepting. An offer of half the deposit is a different proposition in a state where a court could award twice it.
• Nothing. Then small claims, which is what the court is for: no lawyer needed, a modest filing fee, and a limit set by your state that a deposit dispute is usually well inside.

When a letter is not the right move

If the landlord is also claiming you owe rent, if there is a habitability dispute attached, or if the amount is large enough to exceed your state’s small claims limit, talk to someone before you write — what you write now shapes what you can argue later. There are cheaper ways to reach a lawyer than you might expect.

This page explains general rules and is not legal advice. Deadlines, remedies and small claims limits vary by state; check your own before relying on any figure here.