How to Hire a Sewer Contractor in Oregon

Who licenses sewer contractors in Oregon

Oregon runs contractor licensing through two agencies. The Construction Contractors Board licenses every business that performs construction for pay and requires a surety bond and liability insurance, plus workers' compensation if there are employees. That license alone does not authorize plumbing. The Building Codes Division, part of the Department of Consumer and Business Services, registers plumbing contractors as businesses and issues the plumbing certificate of competency, the journeyman license, to the person doing the work. Permit offices require both the board number and the plumbing contractor registration before issuing a plumbing permit, and Portland says only the owner or a licensed plumbing contractor may touch the sewer line. Verify the first in the board's License Search, which shows bond, insurance and complaint history, and the second in the Building Codes Division's license lookup. No contractor without both numbers should be digging.

Permits and inspections

The sewer permit in Oregon comes from the city or county building office that enforces the state plumbing code, with the sewer utility involved where the public main is touched. In Portland, the permitting bureau issues the plumbing permit and inspects the repair on the lot; work past the property line needs a right-of-way permit and inspection from the Bureau of Transportation; and Environmental Services must authorize connection work and party sewer repairs. Eugene and Salem permit through their own building divisions, and a district such as Clean Water Services in Washington County has its own connection rules. Expect an inspection of the new pipe while exposed, and a camera recording where the line is lined. Oregon 811, the Oregon Utility Notification Center, requires at least two full business days' notice. The licensed plumbing contractor pulls the permit.

Who owns the pipe under the street

Portland splits the lateral at the curb. The owner is responsible for the sewer line from the house to the curb, and the city maintains the lateral from the main, under the street, to the curb line. The stretch under the sidewalk is still yours and needs a right-of-way permit. Many older Portland lots also sit on party sewers, which the code calls common private sewers: one private line serving buildings with different owners. When a shared section fails, every owner using it shares the repair cost equally; an owner who connects directly to the public sewer pays for that connection alone. Eugene, Salem and the suburbs each set their own dividing point, and some say only that private lines are the owner's, so confirm with your city before accepting a street bid. Oregon has no point-of-sale sewer inspection law, though Portland buyers scope most older homes.

What is under Oregon, and why it shapes the bid

The Willamette Valley, home to Portland, Salem and Eugene, is silty clay with a water table that rises to within a few feet of the surface each winter, so dewatering and trench boxes belong in a wet-season bid. Frost is shallow, so laterals often sit three to five feet deep. Portland's distinctive problem is unreinforced concrete pipe laid from the 1910s through the 1950s, which erodes inside and cracks at the crown; clay and Orangeburg appear in Eugene and the suburbs, PVC or ABS after the 1970s. East of the Cascades, Bend sits on volcanic rock that makes trenching expensive and pushes bids toward lining. On a steep Portland hillside, a lateral may cross a neighbor's lot.

What a Oregon sewer bid must include

• Both license numbers: the Construction Contractors Board license and the Building Codes Division plumbing contractor registration.
• The city plumbing permit and, in Portland, the Bureau of Transportation right-of-way permit for work past the property line.
• Whether the lateral is a party sewer and, if so, how the shared section and the neighbors' cost share are handled.
• Dewatering and shoring priced for winter in Willamette Valley silt, or rock excavation in Bend.
• Camera footage before and after, with the public sewer connection identified.

The full checklist, for any state, is on what a sewer bid should include.

Red flags in Oregon

• A Construction Contractors Board number but no Oregon plumbing contractor registration on a lateral repair.
• A Portland bid that prices a street dig without asking the city, which maintains the lateral from main to curb.
• No mention of a party sewer on an older Portland lot where the camera shows a shared line.
• A January dig quoted with no dewatering or shoring line.

Finding a sewer contractor in Oregon

Oregon does not yet have a verified contractor listed on this site, which is why the number on this page rings the national line. Call it or send the form with the property address and what the symptoms or the camera are showing, and we will locate a qualified sewer contractor near you, screen them the same way we screen every listing, and make the introduction. There is no charge for that. You can also search the CIPP Verified Installer directory yourself.

Estimates are free. Call now. (855) 804-1434

Where Oregon property owners ask for help most

The rules above apply statewide; the communities below are the ones that generate the most questions.

Oregon sewer contractor questions

What licenses does a sewer contractor need in Oregon?

Two. Every Oregon contractor needs a Construction Contractors Board license with bond and insurance, and the firm doing the pipe work needs a plumbing contractor registration from the Building Codes Division, with a licensed plumber on site. Permit offices want both before issuing a permit. Verify both numbers online.

Who owns the sewer lateral in Portland, Oregon?

The property owner from the house to the curb; the City of Portland maintains the lateral from the main, under the street, to the curb line. Work past the property line needs a Transportation right-of-way permit. Older Portland lots often share a party sewer, and those owners split repair of the common section equally.

What is a party sewer and why does it matter in Oregon?

A party sewer, or common private sewer, is one lateral serving buildings with different owners, common in older Portland neighborhoods. Under city code, a break in the shared section is every connected owner's cost in equal shares, and Environmental Services must authorize the repair. A camera shows whether an Oregon line is shared.

Does Oregon require a sewer inspection before a home sale?

No statewide law requires one. In Portland and other older Oregon cities, buyers routinely order a sewer scope because concrete and clay laterals from the early twentieth century fail often. Treat it as standard practice.

Why do Oregon sewer bids change with the season?

Groundwater. In the Willamette Valley the water table rises each winter to within a few feet of the surface, so a trench dug in January needs pumps and a box that an August trench does not. Oregon contractors price that difference; a bid should say what it assumes.

The short version for Oregon

Run the camera and keep the file. Look the contractor up in both Oregon searches, the Construction Contractors Board for bond and complaints, the Building Codes Division for the plumbing license. Ask your city where your lateral ends; in Portland it is the curb. If the footage shows a shared line, settle the party sewer question before signing. Make the contractor pull the permit and deliver the video.

Estimates are free. Call now. (855) 804-1434

Sources checked for this page: www.oregon.gov/ccb/pages/ccb license.aspx · ashlandoregon.gov/DocumentCenter/View/1538/BD-PP-0023_Plumbi... · www.portland.gov/ppd/development-permit-processes/contractor... · www.portland.gov/bds/broken-sewer-and-drain-lines · www.portland.gov/code/25/08/030 · digsafelyoregon.com/resources/faq/