Fire Regulations in Jefferson County, CO (2026)

Jefferson County Policy Manual, Part 3 Regulations, Chapter 6 Persons, Section 2 (Declaration of Open Fire and/or Firework Sale, Use or Possession Bans), Secs. A.2.a-b, B.1, adopted by Resolution CC23-150

a. Pursuant to the authority granted in Section 30-15-401, C.R.S., the BCC or the Sheriff shall have the authority to declare a ban or restriction on the sale, use or possession of fireworks, including permissible fireworks as defined in Sections 24-33.5-2001(5) and (8), C.R.S., when the BCC or Sheriff determine that the danger of forest or grass fires is high based on competent evidence as def...

Jeffco Defensible Space Standards (Zoning Resolution / CSU 6.302)

Zone 1 (0–5 feet): “No plants except mature trees” and “No combustible mulch such as wood mulch.” Zone 2 (5–30 feet): “Removal of hazardous dead plants” and “No large accumulations of surface fuels (logs, slash, mulch, firewood piles).”

Jefferson County Public Health – Open Burning Policy

“Jefferson County Public Health will not issue or approve any Open Burn Permits during a Fire Restriction (Stage One) or a Fire Ban (Stage Two).” Permits are issued for agricultural and forest management burning located at 6,400 feet or above only.

Jefferson County Policy Manual, Part 3, Chapter 8, Section 3 (International Fire Code Ordinance), Secs. A & D, adopted by Resolution CC23-054

The 2018 edition of the International Fire Code, as promulgated by the International Code Council, with Appendices E, F and G only (the "Fire Code") shall serve as the minimum fire safety standards for unincorporated Jefferson County. The full text of the 2018 edition of the International Fire Code is incorporated into this Ordinance as if fully set forth herein, save and except for Appendices ...