Trash & Recycling
The City of Longmont encourages citizens to dispose of Household Hazardous Waste (HHW) in an environmentally-responsible manner and supports this goal through year-round and special event waste disposal programs.
Not sure whether your item qualifies? Ask our Waste Wizard for the answer.
Year-Round Disposal Programs
- The Boulder County Household Management Facility is located at 1901 63rd St, in Boulder (enter at Boulder County Recycling Center – follow signs to HMM facility).
- Residential drop off is available year-round Wednesday – Saturday 8:30 a.m. to 4 p.m. and is free of charge to all Longmont residents.
- Note: Proof of Boulder County residency required (for example, your driver’s license, vehicle registration, voter identification, tax certificate, lease agreement or utility bill)
- Commercial and Business entities may also utilize the Boulder County Hazardous Materials Management Facility. Business waste drop off is for a fee and by appointment only and scheduled for Tuesdays, you must make an appointment.
- Contact the Hazardous Materials Management Facility for more information.
The City of Longmont’s Recycling Center accepts used automotive and cooking oil, and automotive batteries year-round.
Annual Household Hazardous Chemical Drop-Off Day August 22, 2026
Dispose of hazardous household chemicals AT NO CHARGE. Event held from 8 am – 12 pm at Waste Services Center, 110 South Martin Street. Please be sure to bring a current City of Longmont utility bill and identification to show that you are a City resident. This event is for Longmont residents only; sorry, no commercial or business waste accepted.
For more information, ask the Waste Wizard about specific items or contact Waste Services.
