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Security deposit calculator

California limits what a landlord may deduct and requires an itemised statement within 21 days of you moving out. This works out what you should be getting back — and what a bad-faith deduction is worth if they are not.

Your tenancy

$
$
$

Only deductible to return the unit to the cleanliness it had at the start — not to make it cleaner than you found it.

$
All legitimateAll wear & tear

Faded paint, worn carpet in walkways, small nail holes and general ageing are wear and tear. They are not deductible.

days

What you should get back

$1,750 After lawful deductions

Wear and tear is not a lawful deduction, so it is added back to your refund.

  • Deposit paid $2,400
  • Unpaid rent −$0
  • Cleaning −$350
  • Damage (legitimate portion) −$300
  • Refund due $1,750

What a landlord may deduct

California allows deductions for four things and nothing else:

  1. Unpaid rent

    Rent genuinely owed at the end of the tenancy.

  2. Cleaning

    To return the unit to the level of cleanliness it had when you received it — not to a higher standard.

  3. Repair of damage

    Damage caused by you or your guests, excluding ordinary wear and tear.

  4. Restoration of personal property

    Where the lease provides for it, for items supplied with the unit.

Wear and tear versus damage

This is where most disputes live, and the line is more favourable to tenants than landlords tend to suggest.

Normal wear and tear — not deductibleDamage — potentially deductible
Faded or lightly scuffed paintLarge holes, unapproved paint colours
Carpet worn along walkwaysBurns, tears, pet staining
Small nail holes from picturesAnchors pulled through drywall
Loose door handles, worn hingesBroken doors, missing fittings
Minor scratches on worktopsChips, cracks, heat marks
Ageing appliances failingAppliances damaged by misuse

Depreciation applies to what is replaced

A landlord who replaces a seven-year-old carpet because of a stain cannot usually charge you for a brand new one. The reasonable charge is the remaining useful life you consumed, not full replacement cost. Ask for the age of anything you are being billed to replace.

The 21-day rule

Within 21 days of you moving out, a California landlord must send an itemised statement of deductions together with any remaining deposit. Where deductions exceed a threshold amount, receipts or estimates generally have to be included.

Missing this deadline does not automatically forfeit every deduction, but it substantially weakens the landlord's position and is often the fact that resolves a small claims case.

If you disagree

  1. Write, do not phone

    Send a short letter setting out each disputed item and what you say the correct figure is. Keep a copy.

  2. Attach your evidence

    Move-in and move-out photographs, the inspection checklist, receipts for cleaning you did yourself.

  3. Give a deadline

    Fourteen days is reasonable. Say what you will do if it passes.

  4. Small claims

    Deposit disputes are among the most common small claims cases in LA County, no lawyer is permitted at the hearing, and filing fees are modest. Our small claims guides cover the packet.

Common questions

Can the landlord keep the deposit as a “non-refundable cleaning fee”?
No. California does not permit non-refundable deposits of that kind. Money described as a deposit remains refundable subject to lawful deductions, whatever the lease calls it.
I never did a move-out inspection. Does that hurt me?
Tenants have a right to request a pre-move-out inspection so they can fix things before being charged for them. Not having done one does not defeat your claim, but photographs taken on the day you handed back the keys matter a great deal.
What actually counts as bad faith?
Not simply being wrong. Courts look for conduct like inventing charges, refusing to itemise at all, keeping the deposit with no explanation, or charging for work never done. A genuine but mistaken valuation is usually not bad faith.
Does this apply to commercial leases?
No. The residential security deposit rules do not govern commercial tenancies, which are largely a matter of what the lease says.
Not legal advice. This applies general California residential rules to figures you supply. Deposit limits and some procedures have changed in recent years and local ordinances in the City of Los Angeles may add requirements. Confirm current rules before relying on a number.