Permit Application Process

  1. Licensed & Unlicensed Professionals
  2. Property Owners

**Please confirm the address is located in the City of Mill Valley and NOT in an Unincorporated area of Mill Valley,  Check Address Here **

Licensed & Unlicensed Professionals

Contractors, Architects and other Designers must apply for permits online using a professional user account. To request a professional user account, please provide the following information to the Building Department at

  1. Your State License Number
  2. Name of Company
  3. Your office mailing address (this is available to the public on our website)
  4. Phone number
  5. Email address

If you are an unlicensed design professional, please provide answers for items 2 through 5 and let us know you are unlicensed.

Please Note: New accounts may take up to 7 business days to create. 

Permit application steps

  1. Request a user account (if you do not already have one). 
  2. Apply for your permit online
  3. Plans submittal - Most plans will be submitted via Dropbox transfer request. You will be sent a link once your application has been reviewed, usually within one week. 
  4. Plans review - See the table below for review times. 
  5. Approval/Issuance

Review Time Frames by Permit Type

Please note, we will not  provide status updates if your review is within the time frames listed below. We will communicate with the applicant until the permit is issued. If you are not the applicant and are interested in the status of the application, please contact the applicant for updates. 

Type / Classification of Permit

Review Times

Minor Permits

7-10 Business Days

Non-Structural Residential Remodels

3 Week Minimum

Renewable Energy

2 Weeks Minimum


2 Weeks Minimum

Plan Check Residential & Commercial

6 Week Minimum

Revisions to Existing Permits

3 Week Minimum

  1. Non-Structural Remodels

Non-Structural Remodels

We require plans for review and approval. Please review our handouts, below, for additional information. You will apply for permit type, Plan Check Residential.

Permit application steps

  1. Submit your application. 
  2. Prepare your submittal package - Please refer to the handouts below and ensure that your plans are prepared in compliance with all requirements and guidelines provided. Omissions or errors in compliance may cause delays.
  3. Plans submittal - Most plans will be submitted via Dropbox transfer request, usually sent within one week of receipt of application.
  4. Plans review - See the table above for review times. 
  5. Corrections - Once you return any required changes, your plans will be reviewed. Please allow one week for second reviews. 
  6. Approval/Issuance  - Upon approval, please allow one week for your plans to be prepared for issuance. You may receive detailed instructions prior to issuance. 

Additional Resources:

Kitchen and Bath Handout (PDF)
Egress Windows (PDF)
Shower Enclosures (PDF)
Curbless Shower Pans (PDF)

Smoke and Carbon Monoxide Alarms (PDF)
Waste Management Form (PDF)


Apply Online Here

  1. Renewable Energy
  1. Generators
  1. Plan check residential & Commercial
  1. Revisions to Existing permits

Minor Permits

Automatically Issued Permits:

Some minor permits are issued automatically upon application. Permit cards will be mailed after an administrative review, generally within a week. 

  • Furnace w/no outside equipment
  • Water Heater
  • Sewer lateral
  • Electrical (electrical panel replacements, max 200 AMP, main electrical service, or subpanels)
  • Re-Roof
  • Window & Door Replacements

Permits Requiring Minor Review:

Some permits will require a minor review, in addition to the administrative review. You will need to submit plans.

  • Mechanical - A/C, Heat Pump installations require a site plan, manufacturer’s specifications for the equipment to be installed and calculations for noise at property lines.
  • Plumbing - Gas line installations/alterations require a gas line schematic and gas line calculations



Furnace Replacement Handout (PDF)
Requirements for Residential Water Heater (PDF)
Reroofing Requirements (PDF)

Apply Online Here