What are the landlord-tenant laws in Boston, Massachusetts?

Boston landlords must follow Massachusetts state law covering security deposits (capped at 1 month(s) of rent, returned within 30 days), eviction notice requirements, rent increase rules, plus local rent control ordinances. Violations can result in penalties of $8,823+.

What is the maximum security deposit in Boston?

Boston landlords can charge up to 1 month(s) of rent as a security deposit. At the median 2BR rent of $2,941/month, the maximum deposit is $2,941. The deposit must be returned within 30 days after move-out.

How much notice is required for rent increases in Boston?

Landlords must provide 30 days' written notice before raising rent. Failure to comply can void the increase.

Boston · Massachusetts

Boston, MA Landlord Laws 2026

Every housing law that applies to Boston landlords — security deposits, eviction rules, rent increases, and more. Updated for 2026.

Based on Massachusetts state law + Boston local ordinances.

Boston Rental Market in 2026

$2,941

median 2BR rent

653,833

population

$2,941

max security deposit

Boston landlords must comply with Massachusetts state landlord-tenant laws as well as local rent control ordinances. At a median 2-bedroom rent of $2,941/month, understanding deposit caps, notice periods, and eviction rules can save you thousands in penalties.

Local Housing Market Data

The HUD Fair Market Rent for a 2-bedroom in Boston is $2,941/month, which affects Section 8 voucher amounts and affordable housing calculations.

Key Takeaways for Boston Landlords

Security deposit: Capped at 1 month(s) of rent ($2,941 at median rent). Must return within 30 days or face penalties up to $8,823.
Local rent control: Boston has additional local regulations beyond state law. See details below.

Massachusetts Laws That Apply in Boston

Massachusetts General Laws — Tenancy

Mass. Gen. Laws ch. 186, §1 et seq.

Governs residential tenancies, including eviction, lease terms, and tenant protections.

Massachusetts Security Deposit Law

Mass. Gen. Laws ch. 186, §15B

Strict security deposit statute requiring interest, proper escrow, and detailed receipts. Among the strictest in the U.S.

Boston Landlord Law Topics

Click any topic below for detailed Boston-specific rules, deadlines, penalties, and free compliance tools.