2025 Event Dates
Click & Haul - bulky or large item collections
Event Dates: Click & Haul collections are scheduled during the work week, depending on your address. Thornton residents can use this service to: Get rid of clutter in the garage or basement, plan a do-it-yourself room remodel, clean up the yard or storage shed, get rid of recently replaced furniture or appliances, or for a rental property cleanup!
Location: Items must be placed in an orderly fashion (stacked/bundled) at the curb by 7 a.m. the day of the scheduled collection.
Guidelines: The cost is just $72 per collection for 6 cubic yards of stuff, which would fill two normal-sized pickup truck loads. More than two full pickup loads = $121 or more. Restrictions and limitations apply. The cost of service is placed on the next utility bill for payment. Furniture, appliances, mattresses/box springs, hot water heaters, fence panels, branches, remodeling debris, and evaporative coolers are eligible for pickup.
Restrictions: NO hazardous materials (i.e., flammable liquids, oil, paint, fertilizer, chemical cleaners, etc.). NO tires. NO concrete or masonry demolition (driveway concrete, wall blocks, or gravel). NO televisions, computer monitors, DVD players, and other certain electronics. NO dirt, sod, or rocks.
Household Hazardous Waste Drop-off Voucher Program
Dates: By appointment only, March 5 - November 12, 2025
Location: Veolia's facility located at 9131 E. 96th Ave., Henderson, CO
Guidelines: Thornton residents may drop off household hazardous waste for recycling at the Veolia Colorado Household Hazardous Waste Recycling Center. Fees apply. Appointments are available on Wednesdays and Saturdays only and can be made online or by calling 303-526-8155.
Voucher instructions: To receive a voucher worth the $28.35 facility fee only (resident is responsible for and agrees to pay the per pound fee), please send an email to environmentalservices@ThorntonCO.gov with your name and address. Please type, "VEOLIA VOUCHER REQUEST" in the subject line. One voucher per household per year. A unique voucher will be emailed to you and MUST be printed, taken to Veolia at the time of your drop-off, and handed to their attendant. Restrictions and limitations apply. For a list of acceptable and unacceptable items, please visit Veolia's website.
Landfill Days
Dates: Saturday, October 11
Time: 7 a.m. - 2 p.m.
Location: Republic Services Tower Landfill 19260 E. 88th Ave., Commerce City, CO 80022
Guidelines: Thornton residents may drop off items that they may not be able to dispose of in their normal trash service at no charge. Restrictions and limitations do apply. Proof of Thornton residency is required. One vehicle load per household. Pickup trucks, cars, and small single-axle trailer loads only (less than 5 yards of debris.) All loads must be covered. NO electronics, tires, car batteries, medical waste, ammunition, fireworks, fluorescent bulbs, or liquids of any kind. Non-hazardous debris only. Reflective vests must be worn while outside of vehicle and are available at the landfill for $3 each. $37 additional fee for mattresses or boxsprings. Commercial loads are subject to additional fees.
This is the final Landfill Day of the year.
Fall Leaf Drop-off Days
Dates: Saturday, October 25 and November 1
Time: 8 a.m. - noon
Location: Thornton's Infrastructure Maintenance Center 12450 Washington Street
Guidelines: Thornton residents may bring in leaves for composting. 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.
Fall Leaf Curbside Collection
City trash customers may leave bagged leaves at the curb on their regular collection days October 20 through November 14. Please fill black trash containers first and only leave extra bags of leaves at the curb when cans are completely full.
*This service is for city trash/recycle customers only.