COVID-19 UPDATE: The City of Walnut Creek is coordinating with Contra Costa Health Services, the local public health authority, on the developing COVID-19 pandemic. For local information, updates and resources about COVID-19 visit

Building and Permit Center UPDATE:

For questions related to what type of work may currently be allowed and general questions associated to impact on construction projects, Please click on the link below and see page 10 of this document.

The City of Walnut Creek is following the guidelines listed on page 10 of this document.

For further questions, please call the department that may be specific to your questions. See the details listed on this page.

All Departments Will Be Unavailable:

Monday, March 16th - Until further notice

The City Hall will be closed to the public starting Monday at 8:00 am as a precautionary measure in response to the COVID-19 (Coronavirus) pandemic.

For inquires, customer requests and permitting while the City Hall is closed, please see contact information below. Please regularly visit Building Division website and Permit center website for future updates, please remember that many requests and permitting services can be handled by phone, email or online.

Community Development Division - General Number: 925-943-5834

Building Permit Plan Check: 925-943-5825

Planning: 925-256-3558

Engineering: 925-943-5839

Traffic: 925-256-3529

Housing: 925-943-5836, ext. 2208

We apologize for any inconvenience this may cause.


Thank you for your support and understanding during this time.

 -Community and Economic Development Department


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2019 California Building Codes Go into Effect January 1, 2020
The California Building Standards Commission updates the State building codes every three years. The 2019 codes were published on July 1, 2019 and will become applicable to all building permit applications submitted on or after January 1, 2020. Building permit applications submitted on or prior to 4pm on December 23, 2019 are under the 2016 codes. 

At the Permit Center, City staff from our Building, Planning, and Engineering divisions work together to ensure code compliance and enhance the quality of development projects throughout the community. The Permit Center is intended to answer frequently asked questions as well as provide comprehensive overviews of the development review, building permit review, and grading permit (site development) review processes to help you understand what is required at concept, construction, and completion.

What Permits You Will Need and How Much They Will Cost?

Learn about what permits you will need and how much they will cost by using the business portal of the following OpenCounter link:

Do I Need a Building Permit?

Sometimes yes, sometimes no. Depends. The work requiring a permit page may be able to answer your question.

How Does the Permitting Process Work?

The FAQ page may be able to answer your question.


Where Can I Find Permit Forms?

Retaining Wall, Grading, and Site Work Requirements

A Site Development Permit is required for grading, drainage, street improvements, site improvements, parking lot modifications, and any landscaping required by the Design Review Commission. The Engineering Services staff will need specific information to evaluate the scope of work. [more]

New Commercial or Multi-Family Residential Building Process

Information to provide an overview of the requirements to construct a new Commercial or Multi-Family Residential building. [more]

Developers: Cul-de-Sac Diameters and Roadway Design Standards

In November 2009, the City Council adopted Ordinance 2084 revising the Municipal Code concerning fire equipment access, roadway, and cul-de-sac design standards. Please contact the Engineering Division via email or at (925) 943-5839 for the latest news and information concerning the revisions.

About Permitting

Watch this video to find out what permits you may need for your project and how the City of Walnut Creek can help you through the process.