Fall Leaf Drop-off

Compost Drop-Off sign in front of Bin.
Location, Date & Time
Thornton's Infrastructure Maintenance Center
12450 Washington Street Thornton, CO 80241
  • Sat, Oct 25 2025, 8am - 12pm
  • Event Details
    Thornton residents may bring in leaves for composting to the Infrastructure Maintenance Center at 12450 Washington Street.  Proof of residency required. Leaves may be placed in paper lawn & leaf sacks. Be prepared to open any other bags on site.  Enter through the north gates on 126th Avenue, east of Washington Street (126th Ave. & Ogden St.)
    Restrictions apply.
    No commercial or landscaping companies. No dirt, sod, or rocks
    Thornton Trash & Recycling
    Contact Information
    Environmental Services
    720-977-6200
    environmentalservices@ThorntonCO.gov