Easy-to-use California NDA template. Get a legally written California Non-Disclosure Agreement Template for free!Find forms, samples and fees for most business entity filings here. THIS MUTUAL NON-DISCLOSURE AGREEMENT (the. "Agreement"), effective as of the date of execution, is between. Protect your sensitive information and maintain confidentiality with our user-friendly non-disclosure agreement form template. Non-disclosure agreements are legal contracts that prohibit someone from sharing information deemed confidential. In California today, NDAs still carry validity and soundness in court so long as they are executed precisely, legally, and firmly.