ADU permit process in San Ramon, California

Last verified August 29, 2026

Prepared by GetYourPermit editorial teamReport an error

This guide includes the portions of the City permit process that passed our evidence review. Confirm project-specific requirements with the City before submitting.

Where to apply

Step by step

  1. 1

    Review the City ADU handout and project eligibility

    Review the City ADU page, handout and applicable development standards. For a permit-ready plan, confirm parcel and design limitations before application. Applicable published City requirements and selected application path

  2. 2

    Prepare the Planning packet and submit it with the Building Permit application

    Complete the ADU Application Packet and applicable forms/plans. Submit the packet as part of the Building Permit submittal; permit-ready applicants apply through CSS. ADU/JADU Planning packet and Building Permit application

  3. 3

    Complete Planning and site-specific Building review

    Provide the submitted project information for Planning determination and Building plan check. Obtain conditional outside-agency review or certification when the published permit-ready conditions apply. Planning decision and site-specific Building review result

  4. 4

    Resolve applicable prerequisites and obtain the Building Permit

    Resolve applicable fees, City permits and outside-agency prerequisites. Obtain the issued Building Permit before construction. Issued Building Permit

  5. 5

    Construct under the permit and complete required inspections

    Construct according to the issued permit and approved plans. Arrange and pass required building inspections. Required inspection results

  6. 6

    Complete occupancy requirements and obtain the Certificate of Occupancy

    Complete required inspections and applicable occupancy documents. Obtain the Certificate of Occupancy before treating the permit-ready ADU as complete. Certificate of Occupancy

What you need to submit

  • Address Assignment Form
  • ADU Application Form, written statement, site plan and floor plan
  • Indemnification Affidavit
  • City permit-ready title sheet and site-specific submission package — only in some cases
  • Recorded short-term-rental deed restriction

Pre-approved ADU plans

Use San Ramon’s official page to confirm which designs, site conditions, and supplemental documents qualify. Plan-check timing still depends on the project and city review.

View pre-approved plans

Project-specific next step

Build your San Ramon permit report

Choose your ADU type and size to bring the City process, researched permit fees, and early construction budget into one planning report.

Start my permit report

Sources for this guide

Additional city reference pages

  • The current City Building page links the San Ramon Fee Resolution Schedule but does not render numerical rates in its HTML.

    Accessed August 28, 2026

  • The live City page establishes ADU and JADU review, points to the City handout and application packet, and describes Permit Ready ADU plans as still subject to site-specific Building plan check.

    Accessed August 28, 2026

  • Official source for the current City fee schedule, rule, or verification path.

    Accessed August 28, 2026