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Truckee, CA Building Safety: Plumbing Permits (2026)

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

Key Facts

Adopted plumbing code
2025 California Plumbing Code
Underlying UPC edition
2021 Uniform Plumbing Code
Min. earth cover for piping
36 inches
Piping in unheated attics
Prohibited
Shutoff valve
Must be readily accessible
Local amendment chapter
TMC Chapter 15.04

Summary

Truckee adopts the 2025 California Plumbing Code by reference and adds its own freeze-protection rules: water supply piping needs 36 inches of earth cover and the system must include a readily accessible shutoff valve equipped for winterization.

(6)Plumbing Code adopted. The 2025 Edition of the California Plumbing Code, known as the California Code of Regulations, Title 24, Part 5, incorporating the 2021 Edition of the Uniform Plumbing Code, published by the International Association of Plumbing and Mechanical Officials, is hereby adopted by reference. ... 312.13All water supply piping shall be protected from freezing by a minimum of 36 inches of earth covering. When structural conditions necessitate installation of water piping in exterior walls or above ceilings, the pipes shall be installed to the inside surface of the wall or ceiling framing and insulated ... Water piping shall not be installed or concealed in unheated walls, ceilings and attics.

Full Breakdown

010(6) adopts the 2025 Edition of the California Plumbing Code, California Code of Regulations Title 24 Part 5, incorporating the 2021 Uniform Plumbing Code, as the plumbing code governing all work requiring a permit in Town. 04 layers Town-specific amendments on top of the state code. 13, requiring all water supply piping to be protected from freezing by a minimum of 36 inches of earth covering, and where piping must run through exterior walls or above ceilings, it has to sit on the inside surface of the framing with insulation equivalent to the wall or ceiling's R-value on the unheated side; piping cannot be installed or concealed in unheated walls, ceilings or attics at all.

9, requiring the hot and cold water supply system to be designed and installed for winterization and freeze protection, including provision for routine drainage, with a readily accessible shutoff valve, and any valves or drain ports must be insulated against freezing and protected from backflow. 030 adds detailed LPG piping and regulator installation rules tied to snow and ice loading, including bollard protection for second-stage regulators near garages and snow-load-rated protective covers.

Violations & Fines

Installing plumbing that fails to meet the freeze-protection amendments, such as piping run through an unheated attic or without the required 36 inches of earth cover, is a Title 15 violation: an infraction carrying a fine up to $500 and up to six months in Town Jail, with a new offense charged for each five-day period the condition continues (15.02.050).

Frequently Asked Questions

What plumbing code does Truckee enforce?
The 2025 California Plumbing Code, adopted by reference under Municipal Code 15.01.010(6), which incorporates the 2021 Uniform Plumbing Code, with Truckee-specific freeze-protection amendments added in Chapter 15.04.
How deep does water supply piping need to be buried in Truckee?
At least 36 inches of earth covering, per Subsection 312.13 added by Municipal Code 15.04.010. Piping run through walls or ceilings instead must be insulated to the framing's R-value and cannot be installed in unheated attics at all.
Does Truckee require a shutoff valve on the water supply system?
Yes. Section 15.04.020 requires the hot and cold water supply system to include a readily accessible shutoff valve and to be designed for winterization, including provision for routine drainage to prevent freezing.

Sources & Official References

Other rules in Truckee

All Truckee rules

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