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Westminster, CO Trash & Recycling: Yard Waste Collection (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Household trash
Composting household trash is banned outright
Unit size
Max 5 feet in any dimension
Materials
Wood, wire, metal or plastic, no plastic bags
Location
Backyard, screened from public right-of-way
Setback
3 feet minimum from property lines
Enforcement
Fine under §1-8-1; declared public nuisance

Summary

Composting yard waste in Westminster is only lawful inside an approved holding unit under Section 8-1-4(B): no bigger than five feet in any dimension, built of wood, wire, metal or plastic excluding plastic bags, kept in the backyard screened from the right-of-way, and set back at least three feet from property lines. Composting household trash itself is banned outright.

8-1-4. - Compost Piles.(A)Household Trash: It shall be unlawful for a person to compost household trash.(B)Yard Waste: It shall be unlawful for a person to compost yard wastes, except in a compost holding unit that:(1)Shall not exceed five feet in any dimension;(2)Shall be constructed of wood, wire, metal, or plastic, excluding plastic bags;(3)May be a stationary or rotating unit;(4)Shall be located in the backyard, and shall be screened or fenced so that it is not visible from a public right-of-way;(5)Shall be maintained to minimize odors;(6)Shall not be allowed to attract rodents or to become a health or safety hazard; and(7)Shall be located a minimum of three feet from any adjoining property line.

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 12).

Full Breakdown

Section 8-1-4, part of Title VIII's property maintenance chapter, treats household trash and yard waste composting differently. Subsection (A) flatly bans composting household trash. Subsection (B) permits yard waste composting only inside a compost holding unit meeting seven conditions: the unit cannot exceed five feet in any dimension; it must be built of wood, wire, metal or plastic, but not plastic bags; it may be stationary or rotating; it must sit in the backyard, screened or fenced so it is not visible from a public right-of-way; it must be maintained to minimize odors; it cannot be allowed to attract rodents or become a health or safety hazard; and it must sit at least three feet from any adjoining property line.

Enforcement runs through Section 8-1-16: any violation of the chapter, including Section 8-1-4, is punishable by a fine under the general penalty section, Section 1-8-1, with each day of a continuing violation charged as a separate offense. The condition of real property that violates Sections 8-1-4 through 8-1-14 is also declared a public nuisance abatable under the Code's nuisance abatement provisions, and the City Manager or a representative can serve notice requiring compliance, by personal service, mail, or posting the property, before pursuing abatement at the responsible party's expense.

Violations & Fines

Violating the yard-waste composting standards of Section 8-1-4(B), or composting household trash under subsection (A), is punishable under Section 1-8-1 by a fine, with each day of noncompliance a separate offense. The violation is also declared a public nuisance under Section 8-1-16(B), which can lead to City-ordered abatement billed to the responsible party.

Frequently Asked Questions

Can I compost yard waste in my Westminster backyard?
Yes, but only inside a compost holding unit meeting Section 8-1-4(B): no bigger than five feet in any dimension, made of wood, wire, metal or plastic (not plastic bags), located in the backyard, and screened from view of the public right-of-way.
How big can my compost bin be?
Section 8-1-4(B)(1) caps a compost holding unit at five feet in any dimension, and subsection (7) requires it to sit at least three feet from any adjoining property line.
Can I compost household trash or food scraps?
No. Section 8-1-4(A) makes it unlawful to compost household trash at all; only yard waste may go into an approved compost holding unit under subsection (B).
What happens if my compost pile violates the rules?
A noncompliant compost setup is punishable by a fine under Section 1-8-1 and is separately declared a public nuisance under Section 8-1-16(B), which can lead to City abatement at the property owner's expense.

Sources & Official References

Other rules in Westminster

All Westminster rules

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