What to Include in a Security Deposit Demand Letter (+ State Deadlines)

A demand letter has one job: make the landlord believe you will actually go to court. These six elements do that. Miss any of them and the letter reads like a complaint, not a warning.

The 6 elements

  1. Your move-out date. Anchors the timeline and starts the deadline math.
  2. The deposit amount. Exact dollar figure from your lease.
  3. Your forwarding address — and when you gave it. In most states the return clock doesn't start until the landlord has this in writing. Cite the date.
  4. Your state's statute. Quote the law by name and number (e.g., "California Civil Code §1950.5"). This is the sentence that separates serious letters from angry ones.
  5. A firm deadline. 7 to 10 days from receipt. Shorter looks unreasonable; longer looks unserious.
  6. The consequence. Name small claims court explicitly: "I will file in [court name] for the deposit plus statutory penalties." Vague threats ("I'll take legal action") get ignored.

State return deadlines (most populous states)

StateDeadlineStatute
California21 daysCal. Civ. Code §1950.5
Texas30 daysTex. Prop. Code §92.103
Florida15 days (no deductions); 30-day notice if claimingFla. Stat. §83.49
New York14 daysN.Y. Gen. Oblig. Law §7-108
Pennsylvania30 days68 Pa. Stat. §250.512
Illinois30 days (45 if no itemization)765 ILCS 710/1
Ohio30 daysOhio Rev. Code §5321.16
Georgia30 daysGa. Code §44-7-34
Washington30 daysWash. Rev. Code §59.18.280
Colorado30 days (60 if lease allows)Colo. Rev. Stat. §38-12-103

The full 50-state table with bad-faith penalty multipliers is in the $19 Demand Letter Kit. Deadlines compiled October 2026 — verify your state's current statute.

When to mention 2x/3x penalties

Several states punish bad-faith withholding with multiples of the deposit: California up to 2x, Texas $100 plus 3x the amount wrongfully withheld, Colorado 3x, Pennsylvania up to 2x, Kansas 1.5x. Only cite a multiplier you've verified for your state — a wrong citation destroys the letter's credibility. If your state's penalty is unverified, the missed deadline alone is enough leverage.

Send it right

USPS Certified Mail with Return Receipt. Keep the green card. Email a PDF copy as backup, but never rely on email alone. Deadlines in the letter run from delivery — the green card's signature date is day zero.

Skip the drafting. The $19 Security Deposit Demand Letter Kit has all six letter types pre-written with [BRACKET] fields — forwarding notice, standard demand, deductions dispute, bad-faith penalty demand, roommate variant, final notice — plus the 50-state table, evidence checklist, and small-claims primer. Get the kit — $19

General information only, not legal advice. We are not a law firm. Consult a licensed attorney for your situation.