10Doors Calculators Security Deposit Calculator

Security Deposit Calculator

Most deposits are set as a multiple of monthly rent — but many states cap how much you can collect. Enter your rent and terms below for the deposit amount and the tenant’s total move-in cost.

Total security deposit
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Total move-in cost
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Deposit structure
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State limits apply

There’s no federal deposit cap, but many states limit deposits to 1–2 months’ rent — Pennsylvania, for example, caps the first year at 2 months and later years at 1 month. Some states also require interest payments or specific account handling. Check your state’s rule before setting the amount.

The deposit is only half the job

Collecting is easy; returning it correctly is where landlords get sued. Most states impose a deadline (often 14–30 days) and require an itemized deduction list. Our security deposit return letter templates are generated per state with the correct deadline and rules built in.

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Frequently asked questions

How much security deposit should I charge?

One month’s rent is the residential standard and the legal cap in many states. Higher deposits reduce damage risk but shrink your applicant pool — 1–1.5 months is the practical range where allowed.

Can I charge a pet deposit on top?

Usually yes where not prohibited — but several states count it toward the total deposit cap, and service/assistance animals are never chargeable. Check your state law.

What can I deduct from the deposit?

Unpaid rent and damage beyond normal wear and tear — documented with an itemized list and receipts. Normal wear (faded paint, minor scuffs, worn carpet) is never deductible.

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This template is provided for general informational purposes and does not constitute legal advice. Landlord-tenant law changes and local ordinances may impose additional requirements — verify current state and local rules before serving any notice. Last reviewed September 2026.