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Public Works

Slash-Mulch

The Douglas County Slash/Mulch site in Castle Rock opened for the spring season Saturday, April 12, 2025

While you’re reducing fire risk on your property, you can also take steps to safeguard your family in case of a widespread emergency, such as a fast-moving wildfire. Sign up for CodeRED alerts today to ensure you receive notifications when there is an immediate danger in the community.

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 12, 2025, through October 25, 2025. Dumping is ONLY allowed while the facility is staffed on these Saturdays from 8 a.m. – 5 p.m.

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, pine needles, shrubs and brush with a maximum length of 6 feet and a maximum diameter of one foot. Please note all loads must be covered upon arrival at the slash-mulch 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

The following items should be sent to the Green Yard Waste Program instead:

  • Grass/hay
  • Leaves
  • Pine cones
  • Weeds
  • Yucca plants

Drop-offs will not be accepted from contractors.

Trumbull / Swayback Site - 7828 South Highway 67 (2.5 miles North of Deckers)

General Information

This site is open on Saturdays year-round for limited small loads of brush/slash drop-off.

Acceptable items at both sites include tree limbs, pine needles, shrubs and brush with a maximum length of 6 feet and a maximum diameter of one foot. Please note all loads must be covered upon arrival at the slash-mulch site.

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

Drop-offs will not be accepted from contractors.

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. starting April 12.

Green Yard Waste Program

Fall Leaf Collection Program

2025 Program is contingent on funding - check back for more information. Leave the leaves with us (and out of the landfill) at the County’s Leaf collection site at 1400 Caprice Drive in Castle Rock.

Fall Leaf Collection Program