Pet deposit and pet fee law in Massachusetts: three items, and a pet deposit is not one of them
Massachusetts is strict. Under G.L. c. 186, section 15B(1)(b), a landlord may not require a tenant to pay more than rent for the first full month, rent for the last full month and a security deposit equal to the first month's rent. A pet deposit is not on that list. The deposit must be returned within thirty days, with deductions limited to unpaid rent, certain tax increases and a reasonable amount for damage, wear excluded.
What may a Massachusetts landlord collect at the start?
Section 15B(1)(b) says no lessor or agent may require a tenant or prospective tenant to pay any amount in excess of the following: rent for the first full month of occupancy; rent for the last full month of occupancy, calculated at the same rate as the first month; and a security deposit equal to the first month's rent, provided it is held as the statute requires and the tenant gets the statement of condition required by subsection (2). The statute adds that regulations may allow a fee in lieu of a security deposit under conditions the text describes.
Read that as a ceiling on everything collected up front. A separate pet deposit, a nonrefundable pet fee or a pet charge collected at signing would push the total above the three listed items, so it has no place on the list I read. Many Massachusetts landlords handle pets through the rent figure instead, which keeps the lease clear on what the monthly rent covers, but check the full text of subsection (1) and any regulation before you rely on that.
How do deductions and the timeline work?
Subsection (4) says the lessor must, within thirty days after the termination of occupancy under a tenancy at will or the end of the tenancy specified in a valid written lease, return the deposit or the balance. The lessor may deduct unpaid rent or water charges not validly withheld, any unpaid increase in real estate taxes the tenant must pay under a conforming tax escalation clause, and a reasonable amount necessary to repair damage caused by the tenant or any person under the tenant's control or on the premises with the tenant's consent, reasonable wear and tear excluded.
For damage, the lessor must give the tenant within the same thirty days an itemized list of damages, sworn to by the lessor or agent under pains and penalties of perjury, itemizing in precise detail the nature of the damage and the repairs needed, with written evidence such as estimates. A pet scratch or stain is deductible only as a reasonable repair cost, supported by that paper.
Example a made-up written lease ends on Monday, November 30, 2026. The deposit or its balance, with the sworn itemized list if there is damage, is due by Wednesday, December 30, 2026. The list names the damaged door, describes the repair and attaches a contractor's written estimate.
What about assistance animals?
With no pet charge permitted beyond the three items, an assistance animal raises a different question: the landlord must not refuse the animal because of a no-pets rule. The federal regulation, 24 CFR 100.204, requires reasonable accommodations in rules and policies where needed for equal use of a dwelling. Keep the pet clause in your lease but build in an exception process for accommodation requests, and answer them in writing.
- Do not add a pet deposit or fee to the three listed items.
- Give the statement of condition at the start; the deposit rule is tied to it.
- Get written estimates for any pet damage claim and swear to the list.
- Return the balance within thirty days; the clock does not wait for repairs.
Where does DoorKeeping fit?
DoorKeeping keeps the lease, the pet addendum, the move-in photos and the rent ledger together, so the purpose of each charge and the condition of the unit on the first day are on file when you itemize a deduction. You decide what to charge and what to keep. This is general information, not legal advice: check the current statute, and ask a local attorney if a charge is disputed.
Sources
Questions
- Can a Massachusetts landlord charge a pet deposit?
- Section 15B(1)(b) limits upfront payments to first month, last month and a security deposit equal to the first month's rent; a pet deposit is not listed.
- How long does a Massachusetts landlord have to return a deposit?
- Within thirty days after the end of the tenancy (15B(4)).
- What proof does a Massachusetts damage deduction need?
- An itemized list sworn under pains and penalties of perjury, with written evidence such as estimates.