Are You Handling Security Deposits Correctly? A Guide for Landlords

How to Handle Security Deposits (Without Making a Mess of Your Books)

Security deposits seem simple—but they’re one of the most common areas where landlords and property managers get tripped up.

Not because they’re complicated… but because they’re easy to handle slightly wrong, and those small mistakes add up.

If you’re a landlord or property manager, getting your security deposit accounting right from the start will save you time, stress, and cleanup later.

Security Deposits Are Not Income

This is the biggest one.

When you collect a security deposit, it might feel like income—but it’s not. That money still belongs to your tenant unless there’s a reason to keep part of it later.

So instead of treating it like income, it should be tracked separately as money you’re holding.

If you don’t, your financials can look off—and that tends to cause problems when it matters most (like tax time).

Keep It Separate (It’ll Save You Headaches)

Mixing security deposits in with your rent payments is where things start to fall apart.

A better approach:

• Keep security deposits in a separate account

• Track how much belongs to each tenant

• Check it regularly so everything stays accurate

In some states, this isn’t optional—it’s required. And depending on where your property is located, you may also need to return the deposit with interest when the tenant moves out.

When a Tenant Moves Out

This part doesn’t need to be complicated.

At the end of a lease, you’re either:

• Returning the deposit, or

• Keeping part of it for things like damages or unpaid rent

The important thing is to stay clear and consistent.

If you return it, make sure it lines up with what you were holding.

If you keep part of it, just make sure it’s easy to explain—repairs, cleaning, or unpaid balances should all be documented.

That’s it. No need to overcomplicate it.

Keep Good Records (Future You Will Thank You)

At any point, you should be able to answer:

• How much in security deposits are you holding?

• Who does each deposit belong to?

• Where is that money being held?

Keep your lease agreements, move-in and move-out notes, and any deductions you’ve made.

Clean, consistent records make everything easier—from daily management to year-end reporting.

Why This Matters for Landlords and Property Managers

Handling tenant security deposits correctly:

• Keeps your books accurate

• Helps you avoid overstating income

• Keeps you aligned with state requirements

• Protects you if a tenant ever has questions

It’s a small process—but it makes a big difference in how clean and reliable your numbers are.

Final Thought

Security deposits aren’t hard—but they do require a system.

If things feel unclear or harder than they should be, it’s usually a sign your bookkeeping needs to be tightened up.

Frequently Asked Questions About Security Deposits

Do security deposits count as income?

No. Security deposits are not income when collected—they’re funds you’re holding for the tenant. They only become income if you keep part of the deposit for damages, unpaid rent, or other charges.

Do I need a separate bank account for security deposits?

In many states, yes. Even when it’s not required, keeping deposits separate makes your bookkeeping cleaner and helps avoid confusion.

Do security deposits need to earn interest?

Some states require landlords to return security deposits with interest. The rules vary, so it’s important to check your state’s requirements.

What happens if I keep part of the deposit?

You should clearly document why—such as repairs or unpaid rent—and make sure your records reflect the amount you kept and the reason.

How should I track security deposits?

Each tenant’s deposit should be tracked individually so you always know how much you’re holding and who it belongs to.

Security Deposit Checklist for Landlords

• Collect and record the deposit separately from rent

• Store funds in a dedicated account (if required)

• Track each tenant’s deposit individually

• Keep lease and move-in documentation

• Document any deductions at move-out

• Return deposit (and interest, if required) on time

• Make sure your records match what you’re holding

Need Help Keeping Your Books Clean?

If you’re a landlord, property manager, or real estate investor and want your numbers to actually make sense each month, On The Books Bookkeeping Services, LLC can help.

Simple, organized, and built for real estate—so you’re not left guessing.