Trench Permits and Right-of-Way: Digging in the Street (Oregon)

Quick Verdict

The moment a trench leaves your property and enters the public right-of-way or the street, the rules change. On top of any building permit, you typically need a separate encroachment or street-cut permit from the city or county, you have to provide traffic control, you may run into a pavement-cut moratorium on newly paved streets, and you face a higher restoration standard for putting the road back. This is where a CCB-licensed contractor earns their keep, handling the agency paperwork and the inspections. Cutting a public street without the right permit is a serious problem, so knowing when the right-of-way is involved is essential before you dig.

Where Your Property Ends

The public right-of-way (ROW) usually extends beyond the visible edge of the pavement, often covering the area between the street and the sidewalk, and sometimes a strip of what looks like your front yard. The exact line is set by your jurisdiction. The key point: a trench can cross from private ground into the ROW without you realizing it, and that crossing is what triggers a separate set of permits and standards. A trench entirely on your property is a different, simpler situation, covered in our utility trenching guide.

What Triggers a Right-of-Way Permit

You are generally into ROW/street-cut territory when the trench:

• Crosses or runs in the public street (a "street cut") to reach a main or cross to the other side.
• Enters the area between the curb and the sidewalk or the public planting strip.
• Disturbs a public sidewalk, curb, or gutter, related to trenching under a sidewalk.
• Connects to a public utility main in the ROW.

When any of these apply, the building permit alone is not enough, you need the agency that owns the road to authorize the work.

The Separate Permit and What Comes With It

A ROW or street-cut permit is issued by the city or county that owns the road, and it brings requirements a private-property trench does not:

The Pavement Moratorium Trap

Here is a costly surprise: many jurisdictions place a moratorium on cutting recently resurfaced or reconstructed streets, sometimes for several years. If your street was just repaved, you may be prohibited from cutting it, or face a much higher restoration requirement and fee to do so. This is why you check the ROW rules before designing the trench, because finding out after you have started is too late.

Higher Restoration Standard

Restoring a private trench means backfilling, compacting, and resurfacing to a reasonable standard. Restoring a public street is held to the agency's specification: proper compaction in lifts, a defined base, and a pavement restoration that may require a wider patch, a grind-and-overlay, or a full-lane restoration depending on the rules. The point is that a public road has to be put back so it lasts and stays safe, and the agency inspects it. Speaking of which, see trench inspection for what gets checked.

Why a Licensed Contractor Handles This

ROW work is exactly where a CCB-licensed contractor matters. They know which agency owns the road, how to pull the encroachment permit, how to build a compliant traffic-control plan, and how to meet the restoration spec and pass inspection. A homeowner or unlicensed digger attempting a street cut risks fines, a failed restoration, and liability. The agency relationship and paperwork are part of the job.

Permit-Trigger Checklist

Before you dig, ask:

1. Does the trench leave my property line? If yes, the ROW is likely involved.
2. Does it touch the street, curb, gutter, or sidewalk? If yes, a street-cut/ROW permit applies.
3. Was the street recently repaved? If yes, check for a moratorium.
4. Am I connecting to a public main? If yes, the utility and the road agency both have requirements.
5. Who owns the road, city, county, or state? That agency issues the permit.

What It Costs

ROW work adds permit fees, traffic control, and a higher restoration cost on top of the trenching itself.

Industry Baseline Range: trenching runs roughly $8 - $40+ per linear foot, a residential permit pull runs roughly $100 - $600+ depending on jurisdiction (ROW/street-cut permits and bonds can run higher), and restoration to a public spec adds to it. Traffic control is a separate line.

These are industry baseline ranges for planning only -- actual pricing depends on site conditions, soil, access, depth, haul-off, and current market conditions. Get a site-specific quote.

Current Market Reality

Street-cut jobs run well above a private trench because of the permit, traffic control, and the restoration standard, and a moratorium street can multiply the restoration cost or block the cut entirely. Small jobs carry a $500 - $1,500+ minimum once mobilization is added.

Alternatives to Open-Cutting the Street

Because cutting a public street is expensive and sometimes prohibited, it is worth knowing that an open cut is not always the only way to get a line across or under a road. Trenchless methods can sometimes avoid the cut entirely:

• Boring or directional drilling pushes the new line under the road without disturbing the surface, which avoids the restoration and may sidestep a moratorium.
• Jacking or pushing a casing under the road from pits on either side.
• Routing around the street cut by reaching the connection from a different direction.

These methods carry their own costs and are not right for every job, but on a recently paved street, near a moratorium, or where the restoration standard is steep, a trenchless approach can be cheaper overall than an open cut once the permit, traffic control, and restoration are added up. A contractor who works in the right-of-way knows when boring beats cutting and can advise based on the specific street and crossing.

Who Owns the Road Changes Everything

A practical point that trips people up: the agency you deal with depends on who owns the road, and that is not always obvious. A residential street is usually city or county; a larger arterial or a highway can be a state route administered differently, with its own permits and standards. The same trench can fall under different rules depending on which jurisdiction's road it touches, and a state highway typically carries the most demanding requirements for traffic control and restoration. Figuring out the owning agency is the first step, before designing the trench, because it determines the permit, the process, and the cost. A licensed contractor identifies the road authority, pulls the right encroachment permit, and meets that agency's specific standard. Getting this wrong, applying to the wrong agency or assuming a county process on a state route, is a delay you avoid by checking ownership up front.

The Bottom Line

Once a trench enters the public right-of-way or street, you need a separate encroachment or street-cut permit, traffic control, and a higher restoration standard, and a licensed contractor handles the agency side. Check the triggers before you design the trench. To plan ROW work, see our excavation services or request a free estimate.