Residential / commercial scope
Both
Repairing or replacing a sewer lateral is an express plumbing permit. Work in the street also needs a Public Works permit.
Category
Plumbing
Plans required?
No
Where to go
PermitLA
Over-the-counter?
Over-the-counter for work on your lot; a sewer line in the public right-of-way needs a Public Works clearance first (not same-day)
Likely clearances
Public Works if work is in the right-of-way
Residential vs commercial
A residential sewer line is an express PermitLA permit. Commercial laterals may add sizing and backflow review; work in the street also needs a separate Public Works permit - confirm when you apply.
Search keywords
sewer, sewer line, drain, lateral, plumbing, clog, replace
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