Do I need a permit to dig in the street right-of-way to fix my sewer or water line in Phoenix?

The right-of-way is the publicly owned land along a street. It usually runs past the curb and across the sidewalk and landscaped strip in front of your home, even though you mow and maintain part of it. You do not own that ground. The City of Phoenix does, and the city decides who may cut into it and how.

That ownership is the whole reason a separate permit exists. When your service line problem sits inside your own yard, a standard plumbing permit covers the repair. When the broken section sits under the street or sidewalk, you are now working in city property packed with other buried utilities such as gas, electric, communications, and the water main itself. Phoenix manages that risk through its Street Transportation Department, which issues the excavation and barricade permits that let a contractor open the pavement, dig, and put the surface back.

For a single-family or duplex home, Phoenix sewer policy also splits the responsibility for the line itself. The owner handles the part of the service line on private property. The city generally repairs or replaces a broken section that falls in the public right-of-way. Who pays and who digs can differ from job to job, so this is one of the points to confirm with the city before anyone breaks ground. For more on that split, see our page on who is responsible for the sewer line in Phoenix.

It helps to picture the path your water and sewer take. Water arrives from the city main under the street, crosses the right-of-way, and enters your home. Sewer flows the other way, out of the house, across the same public strip, and into the main. Both lines pass through ground the city controls. So a leak or a break in that stretch is a city-street job first and a plumbing job second, even though the pipe is yours to use.

A right-of-way repair stacks approvals. Each one covers a different risk, and skipping any of them can stop the job or cost you later.

• Plumbing permit. This covers the pipe work itself, the materials, and the connection, and it brings an inspection of the repair.
• Excavation permit. The Street Transportation Department issues this to authorize cutting and digging in the public right-of-way. It sets how the trench is opened and how the pavement is restored to city standards.
• Barricade or traffic-control permit. Opening a trench near or in a roadway means protecting traffic and pedestrians. The city reviews a traffic-control plan, which can mean cones, signs, barricades, and lane handling sized to the street.
• Arizona 811 locate request. Before any of the above turns into actual digging, underground utilities must be marked. This step is free and required by state law, not optional.

The exact permit names, fees, and submittal steps are set by the city and can change, so treat this list as the shape of the process rather than a checklist to file blind. Verify current requirements with the City of Phoenix Street Transportation Department for your specific address. Our page on what plumbing work needs a permit in Phoenix covers the private-side plumbing permits in more detail.

This is where the type of license doing the work becomes a real issue. Arizona plumbing classifications such as C-37 and C-77 are written to cover work solely within property lines and not on public easements or right-of-ways. A plumbing-only license is built for the pipes inside your yard and your home, and its scope stops at the property line.

Work in the public right-of-way calls for a contractor whose license actually reaches that far. The Arizona A-12 classification, titled Sewers, Drains and Pipe Laying, is the commercial class that covers laying and connecting sewer and pipe lines, along with the excavation and backfill that goes with it. Under Arizona Administrative Code R4-9-102, A-12 work includes sewers, laying pipe for water and gas lines, connecting collector lines to building drains, and the digging and backfilling those jobs require. That is exactly the kind of work a right-of-way service repair involves.

HQ Plumbing & Air holds Arizona ROC #355170 and carries the A-12 (Sewers, Drains and Pipe Laying) classification, which is why it can take on sewer and water line work that reaches into public easements and rights-of-way, not just the section inside your property lines. If you want to understand the difference between an easement and a right-of-way and which license fits each, our page on utility easement vs right-of-way sewer repair in Phoenix breaks it down. You can also confirm any contractor's standing yourself, as covered in how to verify a plumber's license in Arizona.

A clean right-of-way job follows a set sequence. Doing it in this order keeps people safe, keeps the city satisfied, and keeps the repair from being torn back up.

First comes the locate. Your contractor calls Arizona 811, also known as Blue Stake, to have buried utilities marked. Arizona 811 states plainly: "It's the law and it's free." Under Arizona Revised Statutes 40-360.22, anyone who plans to excavate must notify the one-call center before digging, and operators then mark their lines. State law sets the lead time, generally at least two full working days before digging, not counting weekends or holidays. See our page on calling before you dig with Arizona 811 for how a homeowner files a locate request.

Second, the contractor pulls the permits, the plumbing permit for the repair and the excavation and barricade permits for the street work. Third, a traffic-control or barricade plan goes in place so the trench does not endanger drivers or people on the sidewalk. Fourth, the trench is opened, the broken pipe is repaired or replaced, and the work is inspected. Last, the surface is restored to City of Phoenix specification. Pavement, sidewalk, and curb have to be put back the way the city requires, which is more demanding than simply shoveling dirt back in.

Digging in the right-of-way is one of the riskiest plumbing jobs a homeowner can attempt, and the reasons stack up fast.

The first is the utility strike. The right-of-way is dense with buried gas, electric, water, and communication lines. Hitting a gas or electric line with a shovel or a machine can cause an explosion, electrocution, or a service outage for the whole street. The Arizona 811 locate exists to prevent exactly this, and skipping it is both dangerous and illegal under state law.

The second is liability. You are cutting into public property and working next to live traffic. If something goes wrong, if the trench fails, a pedestrian is hurt, or another utility is damaged, the exposure lands on you. A licensed contractor carries the bond and insurance built for this kind of work, which is part of why a licensed, bonded, and insured contractor matters for right-of-way jobs.

The third is restoration. The city holds the finished surface to its own standards. A patch that does not meet spec can mean the work gets rejected, redone, and re-inspected at your cost. Add the specialized equipment, the traffic control, and the permits, and a DIY attempt usually ends up slower, more expensive, and more dangerous than hiring the right contractor from the start.

There is also the matter of doing the dig safely and correctly. A service line can sit several feet down. A deep trench in loose desert soil can cave in on someone working in it, which is why crews shore and slope trenches and use the right gear. The repair itself has to meet plumbing code so it passes inspection, and the pipe has to be bedded and backfilled so it does not sag or break again. A licensed sewer and pipe-laying contractor does this work day in and day out. A homeowner with a rented trencher does not, and the mistakes tend to surface months later as a sunken patch or a fresh leak.

One last note: rules, fees, and the exact split of city versus owner responsibility can change and can vary by address and by the type of line. Before any work begins in the right-of-way, confirm the current requirements and permits directly with the City of Phoenix Street Transportation Department and the city's water and sewer policies for your property.