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Self-service permits for properties with septic systems

If you're a property owner with a septic system, getting a building permit is now easier.

We're making things easier!

The Environmental Health Services (EHS) division of the Marin County Community Development agency has streamlined the process to obtain building permits for property owners with septic systems.

For MAINTENANCE and MINOR IMPROVEMENT projects

Eligible projects include:

Steps:

  1. Visit the Online Permit Portal.
  2. Choose "Login to apply for a self-service permit."
Self-service permit button

The Voluntary Septic System Zero Impact Certification Form is now available for these types of projects.

For repairing or replacing an EXISTING PERMITTED project

Eligible projects include:

  • Deck
  • Pool
  • Spa
  • Foundation
  • Retaining wall

Steps:

  1. Visit the Online Permit Portal.
  2. Choose "Submit plans and review permit application."
Submit plans and review permit application button.

These types of projects require the submission of construction documents for review. However, applicants now have the option to submit the self-certification form in place of proceeding through EHS review.

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Page last updated on Octubre 14, 2025.