Security deposit

Getting your security deposit back starts with a letter they cannot say they never got

A landlord who keeps a deposit usually keeps it because nobody made it awkward. A dated letter, sent by Certified Mail, with a deadline and a named consequence, changes that: it starts the clock, it is the document a small-claims judge asks for, and in many states it is what unlocks the penalty the landlord now risks paying on top of your money.

Before you write: find your state’s deadline

Almost every state gives the landlord a fixed number of days after you move out to return the deposit or send an itemized list of what was taken out of it, and a landlord who misses that deadline often loses the right to deduct anything at all. California, for example, gives 21 days under Civil Code section 1950.5, and a landlord who keeps a deposit in bad faith can be made to pay up to twice the deposit on top of returning it. Other states run to 14, 30, 45 or 60 days, and several attach their own penalty. Look up your own state's figure before you write, because the letter is far stronger when it names the statute and the date the clock ran out.

What the letter must contain

1. Who you are and the address you rented. Full name, the unit, and the date your tenancy ended.
2. The amount. What you paid as a deposit, what was returned, and the difference you are owed. Figures, not adjectives.
3. The deadline that passed. “Your itemized statement was due on [date] under [statute]. Nothing was sent.” If they did send one, name the items you dispute and why.
4. What you demand. A number, and where to send it — a forwarding address, or payment details.
5. A date. Ten to fourteen days from the letter is normal. State the calendar date.
6. What happens otherwise. Small claims, and the penalty your state allows. Say only what you are prepared to do.

Attach copies — never originals — of the lease page showing the deposit, the receipt, your move-out photographs and any inspection report. Keep it to one or two pages.

Sample security deposit demand letter

Why this one goes certified

Deposit disputes turn on dates and on who knew what. A landlord who says the letter never arrived is hard to contradict with an email. Certified Mail gives you a mailing date recorded by the Postal Service, a tracking history, and — with the electronic return receipt — the signature of whoever took delivery. That is the exhibit you hand the court, and it is also the thing that makes a landlord answer before it gets there.

Send it to the landlord's legal name at the address named in the lease for notices. For a management company, that address is often different from the office you dealt with; a letter to a leasing desk is the most common reason one of these goes unanswered.

What you end up holding

• The exact letter that was approved, kept unchanged, with the fingerprint that shows it is the same file.
• The recipient address as it was printed, after the postal check.
• The mailing record: the service that was bought, when the letter was handed over to be printed and mailed, and the reference the printer gave it.
• The sentence you authorized, and the time you authorized it.

You are buying USPS Certified Mail, so the Postal Service keeps its own delivery record. Piloxa asks the printing partner for that history on its own, without anyone pressing anything, and adds each scan to your record as it is reported, naming where it came from. If you chose the return receipt, the signature of whoever accepted the letter is recorded the same way once USPS releases it. Where nothing has come back, the record says “no record yet” rather than guessing. The sample record shows every state, including the incomplete ones.

Certified Mail proves that something was delivered. It does not prove what was inside. Keeping the approved letter beside the mailing record is what closes that gap, and it is the whole reason this exists. See a filled-in record.

Common questions

How long does a landlord have to return a deposit?

It depends on the state. California gives 21 days under Civil Code section 1950.5; other states run to 14, 30, 45 or 60 days. Most start the clock when the tenancy ends, and many bar the landlord from deducting anything at all once the deadline passes. Check your own state’s figure before you write.

Do I have to send a letter before I can sue?

Rules differ, and some small-claims courts ask on the form whether you asked for the money first. Even where it is not required, a dated certified letter is the cheapest piece of evidence you can create, and it settles a large share of these before anyone files anything.

What if the landlord sent an itemized list I disagree with?

Say so, item by item, with your reason for each: normal wear rather than damage, pre-existing and photographed at move-in, or already repaired. Enclose the photographs. Dispute the items you can evidence and leave the rest.

What address do I send it to?

The landlord’s legal name at the address named in the lease for notices. For a management company that is often not the leasing office you dealt with. Certified Mail can be delivered to a P.O. Box; the box holder signs for it.

What does it cost to send?

$13.18 all in for a one-page letter by USPS Certified Mail, or $16.17 all in with the electronic return receipt, which is the one worth having here because it records who signed. Printing, envelope and postage are included, with no subscription.

Can I email it instead?

You can, and it is deniable. An email proves you pressed send, not that anyone received it. When the amount is worth a court filing, the certified record is what turns your account of events into a document.

Primary sources

• California Civil Code section 1950.5: security deposits
• USPS Postal Explorer: what Certified Mail documents

Legal and postal references last reviewed September 18, 2026. Requirements vary by claim and jurisdiction.

Other letters people send certified

• Other letters to a landlord
• Demand letters generally
• Refund demands
• Notice of intent to sue
• Send a certified letter
• What Certified Mail proves