Security Deposit Split Calculator
Split move-in deposits fairly, account for pet & key fees, and calculate exact move-out refunds after deductions.
How Security Deposits Work Between Roommates
Security deposits cause bitter disputes when moving out if roommates don't track damage accountability from day one. Here is the fair approach.
Equal Deposit Split vs. Proportional to Rent
Total deposit divided evenly by the number of tenants. Simple to manage and calculate.
Best when: All bedrooms are comparable in size and rent.If Roommate A pays 60% of total monthly rent ($1,500 of $2,500), they contribute 60% of the deposit ($1,500 of $2,500).
Best when: One roommate has a luxury master bedroom with a large rent delta.Fair Rules for Move-Out Damage Deductions
- Private Bedroom Damage (100% Individual):If a roommate stains their private bedroom carpet, paints an unauthorized accent wall, or damages a bedroom door, 100% of that deduction is subtracted from their personal deposit refund.
- Shared Living Deductions (Split Evenly):General move-out deep cleaning, kitchen stove scrubbing, and shared living room maintenance are divided equally among all roommates.
- Pet Damage (100% Pet Owner):Scratched baseboards or pet-related flea treatments are absorbed entirely by the pet owner.
Security Deposit FAQs
How should roommates divide the initial security deposit?
If all bedrooms are similar, an equal split is standard. However, if bedroom rents differ significantly (e.g., $1,600 master vs $1,000 standard room), splitting the deposit proportionally to monthly rent ensures each roommate's financial risk matches their room value.
Who pays for pet deposits and pet fees?
The pet owner should pay 100% of any additional pet deposit, non-refundable pet fee, or monthly pet rent. Other roommates should never be held financially responsible for damages caused by a roommate's pet.
What is the difference between normal wear and tear vs damage?
Normal wear and tear includes minor scuffs on walls, sun-faded paint, and gently worn carpet that occurs naturally from living in a home. Landlords cannot deduct for normal wear and tear. Damage includes large holes in drywall, pet-stained carpets, broken blinds, and uncleaned ovens, which can legally be deducted from deposits.
How long does a landlord have to return the security deposit in the US?
Most states require landlords to return the deposit (with an itemized deduction ledger) within 14 to 30 days after you vacate and return keys (e.g. 21 days in California, 14 days in New York, 30 days in Texas).