Littleton Plumbing & Fuel Gas Code Amendments

City or town · Arapahoe / Jefferson / Douglas County · Colorado

Plumbing code: 2024 IPC
Fuel gas code: 2024 IFGC
Effective: Jul 25, 2025
Adopted by: Ord. No. 11
Local amendments: 21

Littleton doesn't use the model plumbing and gas codes exactly as printed. It adopted the 2024 IPC and 2024 IFGC and then made 21 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 Littleton's building sewer depth requirement?

1 local change on this topic · Free sample

Littleton: building sewers at least 36 in. below grade, including at the septic tank (IPC 305.4.1).

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What is Littleton's gas pressure test requirement?

2 local changes on this topic

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

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What does Littleton change about gas piping?

2 local changes on this topic

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

What are Littleton's local venting rules?

1 local change on this topic

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

Does Littleton change any fixture requirements?

1 local change on this topic

Littleton sets its own rule for fixtures. Sign in to see the rule and ordinance.

What permit and fee rules does Littleton add?

15 local changes on this topic

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