Backing Up or Gurgling? Sewer Line Repair in Fairfax, VA and Who Pays

Signs the problem is past the fixture

A sewer line problem shows up in the house first, usually in more than one place. The signs below separate a clog in one fixture from trouble in the line that carries everything out.

• Two or more drains slow or backing up at the same time.
• Gurgling in a tub or toilet when another fixture drains.
• Sewage or dirty water in a basement floor drain, tub or shower.
• A sewer smell in the yard or a soggy, sunken patch above the line.
• A clog that returns shortly after a drain is cleared.

One slow sink on its own is usually a smaller job, covered under clearing a single clogged drain. If sewage is already coming up, stop running water and call. The first steps in an emergency are listed on their own page.

A camera inspection comes first, and you should keep the recording

Digging or replacing a line without seeing it is guessing. A camera on a flexible cable travels through the line and shows cracks, offsets, roots, sags and breaks. It also shows where the problem sits, which decides what it costs to reach.

The recording is more than a diagnosis. The City of Fairfax asks for one camera recording of the lateral before it approves reimbursement, so a recording you own saves a second visit. Ask for a copy of the file, and ask the plumber to note how far along the line each defect sits.

1. The plumber clears enough of the line for the camera to pass.
2. The camera records the full length from the house to the main, if the line allows it.
3. The plumber explains what the recording shows and what each option involves.
4. You receive the file, so that other contractors can quote against the same evidence.

Which stretch of pipe is yours?

The City of Fairfax states that property owners are responsible for the sewer lateral all the way to the main inside the public right-of-way. That includes the part under the street. A failed lateral is therefore an owner repair, even where the failure is out of sight.

The City maintains the public sewer main itself, and sewer concerns about a City line go to the City. A camera recording helps here too, because it shows which side of the connection a blockage sits on. These rules apply to addresses inside the City. For an address in Fairfax County, ask the plumber and the utility which authority covers your line before you assume the City's rules apply.

Does the City help pay? The paperwork comes before the work

The City runs a wastewater lateral repair program that reimburses part of the cost for City addresses. A small annual charge on Fairfax Water statements supports it, and the reimbursement share is larger when the whole line from the house to the main is replaced than when only a short section is repaired. Check the City's lateral repair program page for the current caps, because they change.

What matters for timing is the order of steps. The program asks for these before work starts:

• Two written quotes from contractors.
• One camera recording of the lateral.
• Submission to Public Works for approval.

The City says emergency repairs can be approved in up to four hours, but it does not manage the contractor or take responsibility for the work. Ask each plumber whether they have worked with the program before.

Repair a section, replace the line, or line it from inside

Lining uses a resin sleeve inside the old pipe, and it is not right for every line. The page on trenchless sewer repair explains when it applies. The City says trenchless methods are encouraged for full replacement of a lateral on private property.

Digging means permits and a call to 811

A repair that opens the ground brings extra steps. The plumber applies for a plumbing permit, and a right-of-way permit from Public Works if the work reaches the public right-of-way. Virginia811 must also be called at least three working days before digging, with weekends and holidays excluded.

These steps are usually the contractor's job, but ask who handles each. A quote that does not mention them may be incomplete. The Virginia811 page explains when the call is needed.

Main-line cleaning and commercial sewer lines

If the camera shows the line is sound but partly blocked, cleaning the main line may be enough. A cable opens it, and heavier buildup may need jetting. Ask whether the line was only opened or also scoured, because an opened line can narrow again.

Commercial properties follow the same steps but usually involve longer runs and heavier use. Say that the building is commercial when you call, and ask who the City treats as the responsible owner for that property.

Questions to put to each of the two quotes

• Does the quote say what the camera found and where?
• Which method is proposed, and why that one for this line?
• Who applies for permits, and who calls 811?
• What happens to the yard, driveway or landscaping?
• What is included if the line turns out worse than the recording shows?

Keep every document in one place: the camera recording, both quotes, any permit numbers and the final invoice. If you apply to the City program, those papers are what Public Works will ask to see, and they also help if you sell the house later.

For a sense of how repair prices vary, see how repair prices vary, and for permits and ownership, answers on the FAQs page.