Jefferson County, AL Building Safety: Plumbing Permits (2026)
Key Facts
- Governing code
- 2018 International Plumbing Code, as amended
- Applies in
- Unincorporated county + non-adopting municipalities
- Permit application
- Signed by licensed Master Plumber
- Unpermitted work penalty
- Double permit fee (Sec. 105.4)
- Permit posting
- Displayed on-site until final inspection
- Sewer tie-ins
- Impact Connection fee to Environmental Services
Summary
Jefferson County enforces its own Plumbing Code, adopted from the 2018 International Plumbing Code, in the unincorporated county and in any municipality that hasn't adopted its own plumbing code. A permit from the Building Official is required before connecting sewers, septic systems, or fixtures, or altering existing plumbing.
104.1.1. General - Any person, firm or corporation who desires to connect any plumbing work with any sewers, sanitary or storm, septic tanks or sewage disposal of any kind, or private connection or install fixtures or appliances in new or existing systems, structures or premises, or repair, or add to any existing plumbing which is regulated by this Code, shall first make application to the Building Official and obtain the required permit for the work. 101.3.1. Applicability - The provisions of this Code shall apply in all unincorporated areas of Jefferson County and also in those parts of said county lying within the corporate limits of municipalities which have not adopted and are not enforcing municipal plumbing Codes.
Full Breakdown
1 fixes its reach: it applies in all unincorporated areas of Jefferson County and also inside any municipality that has not adopted and is not enforcing its own municipal plumbing code. 1 requires anyone who wants to connect plumbing work to a sewer (sanitary or storm), septic tank, or sewage disposal system, or to install, repair, or add to fixtures and appliances in new or existing systems, to first apply to the Building Official and obtain a permit before starting work. 1 also requires paying an Impact Connection fee to the Jefferson County Environmental Services Department, and applying for a Grease Control Permit with Jefferson County Grease Control if applicable, before the plumbing permit is issued.
2 for 500-employee manufacturing companies using a licensed engineer) and makes it unlawful to proceed with plumbing installation or repair before the permit is issued, except under the emergency-permit provision. 7 further requires the issued Plumbing Permit to be posted in a conspicuous place on the front of the premises (or kept in a weatherproof permit/doc box no larger than 36 inches in any dimension) until final inspection. 1, which requires payment to the County before any permit is granted.
Violations & Fines
Starting plumbing work without the required permit triggers Section 105.4: the person doing the unpermitted work must still obtain a permit and pay the required fees at double the normal rate, and any repeat violation or Stop Work Order within twelve months of the last one is also double-fee. If a proper inspection can't be completed on unpermitted work, the Building Official can require it to be uncovered or re-installed so it can be inspected. The Building Official may also suspend or revoke a permit issued in error or on incorrect information under Section 105.2.4.
Frequently Asked Questions
Do I need a permit to do my own plumbing in Jefferson County?
Who can sign a Jefferson County plumbing permit application?
What happens if I start plumbing work before getting a permit?
Does the county plumbing code apply inside Birmingham?
Sources & Official References
Other rules in Jefferson County
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