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Merced, CA Building Safety: Plumbing Permits (2026)

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

Key Facts

Adopted code
2025 CA Plumbing Code, 2024 UPC base
License required
CA plumbing contractor + city license
Owner exemption
single-family owners exempt from license
Sewer hookup
mandatory within 600 ft of main
Penalty
misdemeanor, up to $1,000/1 yr

Summary

Merced adopts the 2025 California Plumbing Code, based on the 2024 Uniform Plumbing Code, by reference at Municipal Code Section 17.28.020. Section 17.28.040 requires a valid California plumbing contractor's license and city business license before a plumbing permit issues, though Section 17.28.050 lets a single-family homeowner pull the permit for work on their own dwelling.

Those certain documents, three (3) certified copies of which are on file in the office of the city clerk, marked and designated as California Code of Regulations Title 24, Part 5, "2025 California Plumbing Code" based on the 2024 Uniform Plumbing Code and as amended by the California Building Standards Commission are adopted by reference as the Plumbing Code for the City of Merced.

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 85 - 1-26).

Full Breakdown

020 adopts, by reference, California Code of Regulations Title 24, Part 5, 2025 California Plumbing Code, based on the 2024 Uniform Plumbing Code and as amended by the California Building Standards Commission, as the Plumbing Code for the City of Merced, current through Ordinance No. 2582, Section 10, effective December 15, 2025. 040 sets the licensing bar for permits: no permit issues for plumbing or drainage work regulated by this chapter, except to a person holding a valid unexpired and unrevoked California plumbing contractor's license and city contractor's business license.

050 preserves the owner-builder path, letting the bona fide owner of a single-family dwelling used exclusively for living purposes, and its accessory buildings, pull the plumbing permit without a contractor's license. 080 clarifies that laying sewer pipe outside a building and inside the property line does not require a plumbing contractor's license at all, so the city cannot refuse a permit, inspection tag or approval solely because the installer lacks that license, provided the work does not otherwise violate state contractor-licensing law. 060 backs a mandatory sewer-connection duty: wherever a public sewer runs within six hundred feet of a property, the chief building official can order the owner to connect within a period the notice sets, not to exceed one hundred eighty days, and if the owner fails to connect, the city makes the connection itself and assesses the cost as a lien on the property, collectible by suit.

Violations & Fines

Section 17.28.030 makes it unlawful and a misdemeanor, subject to punishment in accordance with Chapter 1.12 of this code, for any person to violate any provision of the plumbing code, including doing licensed plumbing work without the required contractor's and business licenses, punishable by up to a $1,000 fine, up to one year in county jail, or both.

Frequently Asked Questions

Can a Merced homeowner pull their own plumbing permit?
Yes. Section 17.28.050 lets the bona fide owner of a single-family dwelling, used exclusively for living purposes, pull the plumbing permit for work on that home and its accessory buildings without holding a California plumbing contractor's license, an exception that does not extend to contractors doing the work for hire.
Do I have to connect to the public sewer in Merced?
Yes, if one runs nearby. Section 17.28.060 lets the chief building official order a connection whenever a public sewer lies within six hundred feet of a property, giving the owner up to one hundred eighty days; if the owner fails to connect, the city does the work and liens the property for the cost.
What plumbing code applies to new construction in Merced?
Section 17.28.020 adopts the 2025 California Plumbing Code, Title 24 Part 5, based on the 2024 Uniform Plumbing Code as amended by the California Building Standards Commission, current through the city's December 15, 2025 update under Ordinance No. 2582.

Sources & Official References

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