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Public Works

Slash Mulch

The Douglas County Slash/Mulch site and Green Yard Waste Program in Castle Rock are closed for the season. Check back in 2024 for the opening date in April.

For information about the Fall Leaf Collection Program open Saturdays through Nov. 18 click here.

The Slash-mulch and Green Yard Waste site, located in Castle Rock,  is for Douglas County residents only and is open on Saturdays from April through October.

In case of inclement weather, please call 303-663-6274 to ensure that the site will be open as scheduled.

Douglas County maintains two sites for slash drop-off, listed below.  Please note that only the Castle Rock location will receive green yard waste.

Douglas County does not cut or pick up trees that are on private property.

Castle Rock - 1400 Caprice Drive

Slash Mulch Information


trucking backing up trailer with branches at slash mulch siteAcceptable items at both sites include tree limbs, loose pine needles, shrubs, brush with a maximum length of 6 feet and a maximum diameter of 12 inches.  All loads must be covered when they arrive at the site.  

During the open season, a County operated loader will be available to load free wood chips for homeowners to use as mulch.  Material can be picked up anytime during the season the site is open to accept slash.

The Site Operator has the authority to refuse loads and requires residents to reload and/or haul away materials found not to be in compliance with the regulations.

Unacceptable items include:

  • Appliances
  • Compost
  • Decorative wood chips
  • Dirt
  • Fencing
  • Grass/hay
  • Household trash/yard waste
  • Leaves
  • Lumber/pallets/railroad ties
  • Pine cones
  • Roots/stumps
  • Weeds
  • Yucca plants

Trumbull / Swayback Site - 7826 South Highway 67 (2.5 miles North of Deckers)

General Information

This site is open Saturdays year-round for brush/slash drop-off.

  • November to Mid- March from 8 a.m. to 3:00 p.m.
  • Mid-March through October from 8 a.m. to 4:30 p.m.

Other Programs

Green Yard Waste Program

Green Yard Waste will be accepted Saturdays from April through October 28, 2023, from 8 a.m. to 5 p.m.

Fall Leaf Collection Program

Leave the leaves with us (and out of the landfill) at the County’s Leaf collection site at 1400 Caprice Drive in Castle Rock.