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Household hazardous waste day for Waltham residents

Cars queued at an outdoor hazardous waste collection day in autumn

Registration and the 600-car cap

Registration closes at noon on the Friday before the collection or when 600 cars are signed up, whichever comes first. Bring ID and proof of residency, stay in your vehicle, and keep everything in the trunk. The facility is closed from December through March. If you miss Nov 15, the private option is Clean Harbors at 781-380-7121 with a $250 minimum, the cost of missing the last date. Confirm the remaining date on the city page rather than rely on last year's.

What is accepted, and the latex confusion

The Waltham page lists latex paint as accepted, but Watertown's page for the same facility says water-based paint is not accepted. Belmont's page says dry latex can go in the trash. Call the Recycling Department at 781-314-3390 before driving over with latex cans. Waltham's page also lists what is refused: ammunition, explosives, road flares, compressed gas cylinders, home medical waste, paint strippers and solvents. Items such as old propane cylinders should be set aside until you find a separate disposal route.

Garage and basement cleanouts

Before a cleanout, sort chemicals into a separate box so the rest of the load can move. Older Waltham houses often have a shelf of oil-based stain, pesticide tins and car batteries. EPA guidance is that they should not be put in the trash or poured down drains. Keep them upright and away from heat until Nov 15. The crew can carry out the remaining junk the same day, at the usual $209 for a quarter trailer, without touching the chemicals.

Using the Nov 15 collection

  1. Register by noon Friday, Nov 13

    Or earlier if the 600-car limit is reached.

  2. Prove you live in Waltham

    Bring photo ID and something with your address.

  3. Pack for the trunk

    Upright, sealed, in a tub; nothing on the seats.

  4. Drive to 60 Hartwell Ave, Lexington

    Sunday 9am to 2pm.

  5. After December

    The facility closes until spring.

Local resources in Waltham

Donation, reuse and recycling options near the pickup. We are not affiliated with these; confirm hours and what they accept before you go.

Quick answers

When is the next Waltham hazardous waste date?

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Sunday, November 15, 2026, 9am to 2pm.

Can I bring propane tanks?

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No. The city lists compressed gas cylinders as not accepted.

Sources

Rules, fees and hours change, so confirm with Waltham before you go.

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