Jefferson County Plumbing & Fuel Gas Code Amendments

County (unincorporated areas) · Jefferson County · Colorado

Plumbing code: 2024 IPC
Fuel gas code: 2024 IFGC
Effective: Jul 1, 2026
Adopted by: Adopted by Board of County Commissioners resolution
Local amendments: 30

Jefferson County doesn't use the model plumbing and gas codes exactly as printed. It adopted the 2024 IPC and 2024 IFGC and then made 30 local changes. Some are paperwork, like permits and fees. Others change what you build in the field, including building sewer depth, gas pressure test, gas piping. If you bid off the model book alone, you can miss them. CodeCheck Colorado lists every one in plain English with the official source.

What is Jefferson County's building sewer depth requirement?

2 local changes on this topic · Free sample

Jefferson County: building sewers at least 12 in. below grade, including at the septic tank (IPC 305.4.1).

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What is Jefferson County's gas pressure test requirement?

2 local changes on this topic

Jefferson County sets its own rule for gas pressure test. Sign in to see the rule and ordinance.

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What does Jefferson County change about gas piping?

1 local change on this topic

Jefferson County sets its own rule for gas piping. Sign in to see the rule and ordinance.

What are Jefferson County's local venting rules?

2 local changes on this topic

Jefferson County sets its own rule for venting. Sign in to see the rule and ordinance.

How does Jefferson County handle plumbing tests and inspections?

2 local changes on this topic

Jefferson County sets its own rule for plumbing tests and inspections. Sign in to see the rule and ordinance.

What permit and fee rules does Jefferson County add?

17 local changes on this topic

Jefferson County sets its own rule for permits and administration. Sign in to see the rule and ordinance.