Permits do not make a fun topic for commercial plumbing contractors, but we sure couldn’t live without them, quite literally. They hold plumbing contractors to the highest standards, while the government keeps collecting permit fees. Either way, commercial plumbers especially cannot afford to overlook this vital part of project paperwork.
However, plumbing permit requirements vary so widely from state to state and city to city, it would be impossible to cover all of them in one short article. Instead, a loose generalization of common types of commercial plumbing permits will help us evaluate the most important ones.
This article isn’t going to be exhaustive in any way, so you should always check with your local building authority or municipal government for details. A simple online search for “plumbing permits in
These three types of credentials are distinct enough in practice, but they can be confusing on paper. For the purpose of this article, it’s important to differentiate them:
Most government authorities only allow licensed plumbing contractors to apply for commercial plumbing permits. In addition, special permits like gas piping or mechanical plumbing will require specialized certification in the field concerned.
In commercial plumbing, that’s pretty much every time. Plumbing permits are meant to safeguard lives and property.
With this in mind, a permit might be needed when:
The only time you may not need a plumbing permit is when undertaking minor work such as simple repairs and a few small replacements. Scheduled maintenance work also does not usually require permits unless major alterations, remodels, or upgrades are scheduled. Some states, like Arizona, call this the “handyman exception.”
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A plumbing permit is a “general” permit required for every plumbing job in accordance with national and state plumbing codes. This permit is issued to ensure the correct installation of plumbing systems for the safety and welfare of building occupants and the community at large.
Plumbing permits are only issued to licensed plumbing contractors, whether individuals or businesses.
However, a plumbing permit is not required for minor replacements (faucets, valves, etc.), repairs, or clearances (such as blocked toilets). In short, you won’t need this permit for anything that does not involve replacing or rearranging pipes, valves, or fixtures.
Building permits cover construction, renovation, and major repairs to existing buildings or structures. Sometimes, building permits also cover the plumbing work being carried out, but most states require separate plumbing permits. Check with local regulations to be sure.
A gas permit is a special permit required when you need to install, remove, or in any way alter piping and fixtures for gas systems. In particular, special permits are required for medical gas and vacuum systems used in hospitals and industries. These can only be issued to properly certified and certified Master Plumbers, contractors, or engineers.
This permit is issued to plumbing contractors working on fire suppression plumbing systems such as overhead sprinklers, standpipes, fire pumps, backflow prevention devices, fire hydrants, and fire department connections. Property owners, engineers, certified contractors, and building owners can apply for this permit and must submit complete plans for the entire system for approval.
It’s common knowledge that water heater installation, repair, or replacement requires a permit. Given that heating is one of the most dangerous plumbing systems in a building, inspection and certification are necessary to ensure that it does not pose a threat to occupants.
Heating permits sound more like the realm of commercial HVAC contractors, but they’re also issued to licensed contractors and qualified plumbers for the installation of forced air and hydronic heating systems.
Rough-in permits are often issued for large plumbing projects after the initial approval of the plumbing diagrams, plans, and drawings submitted to authorities. This initial permit is usually often issued the same day and allows the contractor to begin the first stages of the project, such as pipe-laying, but without installing any fixtures or concealing any work.
After the initial stages of plumbing work, a final inspection is done. Any corrections needed are made before the last fixtures are installed and finishing touches completed. After this, a final inspection permit is issued to certify the completion of that plumbing project.
Special permits are usually required for the installation of special fixtures such as backflow devices, fire pumps, booster pumps, chemical waste drainage systems, multi-purpose sprinkler systems, wastewater pretreatment and reclamation, and vacuum waste systems, among others. Only licensed contractors with the right certifications may apply for these permits, usually in conjunction with plans and drawings designed and approved by an engineer.
This type of permit is issued when significant changes are to be made to the plumbing system and fixtures of an existing building. It also covers tenant build-outs, such as when businesses remodel a commercial space. This kind of permit often comes as part of a building alteration permit, but it can also be issued individually to a licensed plumber.
A mechanical permit is required when you need to install mechanical equipment such as water pumps, water heaters, venting, propane tanks, medical gas equipment, and more. Only licensed contractors who are certified in that specific mechanical class may apply for these permits. Most states issue them separately from the others from the other types of permits, and many also require contractor insurance and bonds for the permit.
This permit is needed to connect or disconnect a building or facility to municipal water supply or sewer services. It is also needed during repairs and demolition of such connections. Professional engineers, architects, and licensed Master Plumbers can apply for this permit after submitting full plans and drawings to the water and sewer utility company or government authority.
In addition to whatever permits are required in regards to the plumbing itself, many states also require plumbing plans be submitted to the health department. When a commercial plumbing project involves a food service establishment, such as a restaurant or hotel, the health department will need to approve it before moving forward.
In addition to the permits directly associated with commercial plumbing work, there are other relevant permits that you may need, depending on the specific project requirements and local regulations.
Compliance with such demanding regulations is one of the reasons why many commercial contractors lose sight of crucial business functions such as field service management, accounting, and growth. These modern challenges require advanced solutions to help you streamline your commercial plumbing business and stay lean.
BuildOps’ top-tier operational software is designed and built purposely for commercial contractors like you. It combines all your operations under one roof, streamlining processes and codifying quality work across every member of your team.
We may not be able to handle your plumbing permits for you (yet), but we have seen our product change the game for our clients. Schedule your free demo now and learn more about how BuildOps can help you grow sales, cut operational costs, and empower your team to provide unmatched service.
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