Renting in Boston: the September 1 survival guide

How the September 1 cycle works

Boston’s rental market runs on one date. The large student population ties the housing stock to the academic calendar, so most leases start September 1. Apartments for September list as early as January, the best units go to whoever decides fastest, and by June you’re choosing from what’s left. Nobody designed it this way, but the system pushes you to sign under pressure.

Pressure is when expensive lease terms slip through, so use the law as your checklist. The three areas below are where Boston leases most often demand things Massachusetts doesn’t allow.

The move-in math, by law

At most, that’s roughly three months’ rent plus a lock. Steep, but capped. Anything beyond it (“$300 move-in fee,” “$500 pet deposit,” “amenity fee”) is an illegal charge even if you sign. The deposit itself comes with obligations for the landlord (a Massachusetts escrow account, receipts, a statement of condition, annual interest, and a 30-day return with triple damages behind it), covered in our security deposit guide.

Broker fees after the 2025 change

For decades the September rush came with an extra cost: a full month’s rent to the landlord’s listing agent. That ended August 1, 2025. Now whoever hires the broker pays the broker (M.G.L. c. 112, § 87DDD1/2). If the agent came with the listing, their fee is the landlord’s bill; you owe a fee only to an agent you personally engaged. Some landlords have folded that cost into rent, which is legal and easy to compare across listings. Others relabeled it:

That clause fails under both statutes at once: it’s the landlord’s agent (87DDD1/2), and it’s outside § 15B’s four charges. The full scenario breakdown, including what to say and how to get an illegal fee back, is in our broker-fee guide.

Old housing: heat, lead, and the sanitary code

Boston’s housing stock is old (triple-deckers and pre-war walk-ups), and Massachusetts law has specific rules for it:

• Heat is the owner’s duty. During heating season (September 15–May 31) the owner must heat every room you live in, and the bathroom, to at least 68°F from 7 a.m. to 11 p.m. and 64°F overnight (105 CMR 410.180). The owner also has to supply and maintain the heating system itself (105 CMR 410.160). You can be made to pay for the fuel only if your unit has its own meter or oil tank and the written lease says so (105 CMR 410.200, 410.210).
• Lead paint, pre-1978 buildings. If a child under six lives in the home, the owner must fix lead hazards, and refusing to rent to you because you have a young child is unlawful discrimination (M.G.L. c. 111, § 197). In a market this old, ask for the lead status in writing.
• “As-is” means nothing. The Sanitary Code’s minimums (water, heat, weathertight structure, pest control) can’t be waived by a lease, however the listing describes the unit.

The 20-minute pre-signing checklist

1. Add up every move-in dollar and match it against the four legal charges.
2. Ask who engaged the broker, in writing if a fee is being demanded.
3. Get the lead-paint status and the statement-of-condition form.
4. Photograph everything on day one; September 1 damage disputes are common.
5. Scan the lease itself. The clauses that get through the rush are the ones nobody reads.