Tenby

Free Tool

Massachusetts Security Deposit Calculator

Check if your security deposit complies with Massachusetts law. Maximum: 1x rent. 30-day return deadline.

$
$

Your Deposit

$1,800.00

Compliant1.0x monthly rent

Massachusetts Maximum

$1,800.00 (1x rent)

Return Deadline

30 calendar days after move-out

Massachusetts Security Deposit Rules

Deposit Limits

Maximum allowed
1x rent
At $1,800.00/mo
$1,800.00
Pet deposit
Not allowed separately

Return & Holding

Return deadline
30 calendar days
Escrow required
Yes
Interest required
Yes
Itemized statement
Required

Interest requirement: Must pay 5% annual interest or actual bank rate

Statute: Mass. Gen. Laws ch. 186 § 15B

Max 1x rent. No last month's rent and deposit together (only one). Must pay 5% interest annually. No pet deposit.

View all states or try the late fee calculator.

This free tool is brought to you by Tenby — AI-powered property management for independent landlords. No sign-up required.

Try Tenby Free