It depends on what your lease calls it
"Pet deposit," "pet fee," and "pet rent" get used loosely, but they aren't interchangeable, and only one of them is generally meant to come back to you. A pet deposit is a refundable charge, held to cover potential pet-related damage, that's supposed to be returned — in whole or in part — when you move out, the same way a security deposit works. A pet fee (often called a nonrefundable pet fee) and pet rent are not refundable; they're the cost of being allowed to keep the animal at all, paid once or every month. Read your lease's exact wording rather than assume based on the label alone — some leases use "deposit" loosely to describe a charge that's actually nonrefundable, which is worth clarifying in writing before you pay it.
What "refundable" actually means in practice
A refundable pet deposit works like your security deposit: your landlord can deduct documented pet-related damage — a chewed doorframe, stained carpet, a scratched floor — but has to return the rest. It isn't a fee for having had a pet; it's a damage backstop. Your state's rules for a security deposit — deadlines for returning it, requirements to itemize deductions — commonly extend to a pet deposit too, though the details vary by state, so check your state's security deposit law rather than assume a specific number or deadline.
A refundable pet deposit is also a different legal category from a fee for a qualifying service animal or emotional support animal. A landlord usually has to consider waiving a deposit or fee for a legitimate assistance animal, because federal law treats it as a disability accommodation rather than a pet — though courts decide case by case whether a waiver is actually necessary, so it is not an automatic bar (42 U.S.C. § 3604(f)(3)(B); 24 CFR § 100.204(a)). If what you're being asked to pay is actually for an assistance animal rather than an ordinary pet, the refundability question above may not even apply — the charge itself may not be allowed.
What your landlord can deduct from a pet deposit
A landlord can generally deduct actual, documented pet-related damage beyond normal wear and tear — for example, damage to flooring, chewed trim, or a lingering odor a cleaning didn't resolve. A landlord generally cannot deduct for the pet simply having lived there, ordinary shedding that a professional cleaning resolves, or damage that was already present before your pet moved in. If your move-in inspection documented existing wear, that record is your best protection against a deduction for something you didn't cause.
Say you paid a $400 refundable pet deposit for a dog that chewed one section of baseboard and left light scratches on hardwood flooring near a door. A landlord can generally deduct the cost of repairing that specific damage — not the full $400 automatically, and not a general "pet cleaning fee" layered on top of an itemized repair charge for the same damage. If the deduction adds up to less than the deposit, the remainder is still owed back to you.
Pet deposits held together with your security deposit
Some leases don't separate the two at all — they fold a pet-related amount into one combined security deposit rather than tracking it separately. If that's how your lease is written, the whole amount is generally subject to whatever rules your state applies to security deposits, including any state cap on the total a landlord can hold and any deadline for returning it, rather than a separate set of pet-specific rules.
Getting your pet deposit back
Ask in writing, before you move out, what your landlord considers normal wear and tear versus damage for a pet deposit specifically — some buildings have a written standard, others decide case by case. Take dated photos or video of the unit, including flooring and any areas your pet used most, right before you hand back the keys. If deductions come back higher than you expected, ask for an itemized list and receipts or estimates backing each charge, the same way you would for your regular security deposit, and compare the dates on any receipts against your actual move-out date.
What to do if your landlord won't return it
If your landlord keeps some or all of your pet deposit without a reasonable explanation, or misses your state's deadline for returning deposits, put your request in writing and cite the specific damage-versus-normal-wear distinction. If a charge looks unrelated to the pet at all, or was already present at move-in, say so directly, point to your move-in documentation, and ask for the deposit itemization in writing rather than accepting a verbal explanation. Honestkey™'s free deposit-related letter templates can help you formally dispute deductions you believe are unjustified, and to ask for the underlying itemization if your landlord hasn't provided one.