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Online Septic Design & Construction Applications Now Available!

septic system being loaded in the ground with permit sonoma logo

Published: June 12, 2026

Permit Sonoma has developed an online well construction permit application, available through Permits Online.

Septic Applications Now Available Through Digital Plan Review (DPR)

Permit Sonoma has expanded Digital Plan Review (DPR) to include:

  • Septic Construction Applications (SEP)
  • Septic Design Applications (SDA)

Applicants can now submit plans and respond to plan review comments electronically through DPR, providing a more streamlined and efficient review process.

For information about using DPR, including guides and resources, visit:

PermitSonoma.org/DPRHelp

Permit Sonoma continues to expand digital services to improve the customer experience and provide more convenient access to permitting resources.