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Main Engineering Office
1437 4th Street, Ste. 300
Santa Monica, CA 90401
Phone: (310) 458-8721
Fax: (310) 393-4425

Permit Center
1685 Main Street, Rm. 113
Santa Monica, CA 90401
Phone: (310) 458-8737

Mon – Thurs, 8 AM to 5 PM
Alternating Fridays, 8 AM to 5 PM
Click here to see which Fridays City Hall is open


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Sewer Permit

Any construction activity within the City of Santa Monica city limits which involves connecting to a sewer main, repairing an existing sewer lateral or capping an existing lateral (house connection) in the public right-of-way requires that a sewer permit be issued.

Scope of Work

The Applicant (Permitee) must identify the project location or property address. Engineering Staff will verify the address; type, size and location of existing sewer main; and records of existing sewer lateral “Y” location.

A typical sewer related work may involve excavation in the public right-of-way; saddle installation (by Wastewater Division); capping of existing connection; repair of existing or installation of new sewer lateral; trench backfill; and pavement restoration.

Permit requirements

Following documents are required when applying for a sewer permit:

  • Valid Contractor License (A or C-42)
  • Valid City Business License
  • Current Insurance -  Contractor Insurance Requirements pdf
  • Current USA (Underground Service Alert) Number

Where to obtain a permit

Sewer permits can be obtained from the Engineering Public Counter at City Hall located at 1685 Main Street, Room 113, between the hours of 8:00 AM and 4:30 PM, Monday through Thursday, and from 8:30 AM to 4:30 PM on Fridays. Sewer permits also require a sign-off from the Strategic and Transportation Planning Division. Processing time is generally the same business day.  For additional information, please call (310) 458-2201, extension 5649.  For inquiries after hours and on weekends, you may leave a message and your call will be returned on the next business day.


Prior to commencing work, the Applicant is required to contact the Wastewater Division at (310) 458-8533.  An inspector will review the scope of work and will inform the Applicant about future inspections and will review any other information or questions the customer may have.

Upon completion of the work, the Inspector will perform a final inspection. If the work is completed satisfactorily, the Inspector will sign off approving the sewer permit.

How long is a sewer permit valid?

A sewer permit expires 60 days from the date its issuance.

City of Santa Monica © 2019

1685 Main St., Santa Monica, CA 90401 · (310) 458-8411 · TTY (310) 917-6626