Thornton trash truck

​Trash & Recycling

​The Environmental Services Team provides curbside trash and recycling collection services to over 30,000 homes in the City, as well as a number of other collection services for our citizens. The collection service program is operated as an enterprise fund, meaning that all costs associated with providing the various services are covered by user fees.


Upcoming Events and Announcements 

To view or print your trash/recycling collection schedule please click here! 

*Please note this system applies to city of Thornton trash and recycle customers only.

We've gone Mobile!

City of Thornton trash/recycling customers are now able to download a mobile app to their cell phone or tablet!  Please look for City of Thornton Recycles in the App Store and on Google Play.


Click & Haul Online Registration Click & Haul Online Registration

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! This service is available by appointment only.  

The minimum fee is just $65 per collection for up to 6 cubic yards of stuff, which would approximately fill two standard pickup truck beds. The cost of service is placed on the next utility bill for payment. Got more junk? More than two full pickup loads = $109 or more.  

What is eligible?  Furniture, appliances, mattresses/box springs, hot water heaters, fence panels, branches, remodeling debris, yard waste, etc.

What is NOT eligible? Certain electronics such as televisions, computer monitors, printers, laptops, DVD players, stereos, and video game consoles. NO hazardous materials or liquids (i.e., flammable liquids, oil, paint, fertilizer, chemical cleaners, etc.). NO tires. NO concrete or masonry demolition (driveway concrete, wall blocks or gravel). NO dirt or sod. NO ammunition.

Click here to get started now!  

Trash & Recycling Service Requests - NEW!

City of Thornton trash & recycling customers can now use our online system for some of the most common service requests! 

Click here to login and order an additional trash container, order an additional recycle container, schedule a lid replacement, or to remove a container from your service address.  Some fees and restrictions may apply.  For all other requests or concerns please email

Composting Fall Leaves

Thornton residents may bring bagged leaves to the Infrastructure Maintenance Center located at 12450 Washington Street, on weekdays from 7 a.m. - 4 p.m., where they can be tossed into the compost bin.  Leaves may be placed into BPI certified fully compostable bags, paper sacks, or all other bags must be emptied on site.  Click here for drop-off location map.

Saturday Fall Leaf Drop-off

Event date:  November 7

Event time:  8 a.m. - Noon

Location:  Thornton's Infrastructure Maintenance Center, 12450 Washington Street.  Use the north entrance with access on 126th Avenue east of Washington Street.

Guidelines:  Thornton residents may bring fall leaves to the IMC.  Proof of residency is required.  You will be responsible for unloading all material.  Leaves must be placed in BPI certified fully compostable bags, paper sacks, or be prepared to open any other bag and empty on site. 

Curbside Fall Leaf Collection Guidelines

City trash customers may leave bagged leaves only at the curb on their collection day October 19 through November 13.  Please use black trash containers first and only leave extra bags when cans are full.  This service is for City trash/recycle customers only.

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What can I bring to the IMC? 

The Infrastructure Maintenance Center (IMC) is located at 12450 Washington Street.  Thornton residents only may bring or drop-off the following on weekdays during business hours:

  • Motor oil, antifreeze, and cooking oil - in sealed gallon (or smaller) containers
  • Appliances such as refrigerators, dishwashers, & water heaters
  • Compost material such as grass clippings, leaves, flowers, coffee grounds, food scraps in fully compostable BPI certified bags or paper bags.  Be prepared to open all other bags on site.

Please call ahead of your arrival 720-977-6200.  Click here for drop-off location map.

Need an additional black trash container?

If you have one black trash container and would like a second black container, your trash service fee increases by only $2.50 per month.  Please email with your home address and ADDITIONAL TRASH CONTAINER in the subject line.  One will be delivered to your home within one to two business days!

Please see the Solid Waste Fee Structure below for additional container rates.



2020 Holiday Delay Schedule

Trash and recycling collection will be delayed one day on the following holidays:

  • New Year's Day, January 1
  • Memorial Day, May 25
  • Labor Day, September 7
  • Thanksgiving Day, November 26
  • Christmas Day, December 25

Solid Waste Fee Structure 

The current fee for Thornton’s Solid Waste Collection Program is $13.50 per month, and will appear on your water bill. The $13.50 per month charge includes a weekly collection of solid waste and every-other-week collection of recycling materials. This service is limited to ONE black container for solid waste. There is an additional charge for each additional black container with a maximum of four containers. However, green containers filled with trash will not be emptied.

Rates for the Solid Waste Collection Service as of January 1, 2003.

  • One black container - $13.50
  • Two black containers - $16.00
  • Three black containers - $25.20
  • Four black containers - $34.40

Solid waste collection dates are address specific. If you are unsure of your trash/recycle collection day, please click the Trash & Recycling Calendar tab on the left hand side of this page.