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Report Identity Theft and Fraud

Always carefully monitor your business and personal bank accounts for fraudulent activity.  If you ever see anything unusual, immediately contact your local Bank of Marin office or our Business Services Department at 415-884-3021.

To report Business Fraud

To report Identity Theft

Follow these steps as quickly as you can:

  • Contact the three national credit bureaus (,, and and ask them to attach a “fraud alert” to your credit file. Each has a website and a toll free number.
  • Contact all your creditors (by phone and in writing) to inform them of the problem.
  • Contact the local police. They may be able to act under state consumer protection laws.
  • If mail use is suspected, notify your local postmaster.
  • Alert your bank immediately. Your financial institution can then watch for any unusual activity or suggest other means of protecting your account.
  • Request that any Personal Identification Numbers (PINs) or passwords used for account access are changed.


  • Federal Trade Commission (FTC) hotline for consumers to report incidents of identity theft: 1-877-ID-THEFT (1-877-438-4338), or
  • Social Security Administration’s Fraud Hotline: 1-800-269-0271

To file a report with your local police department

  • Alameda: 510-337-8340
  • Alameda County Sheriff Department: 510-272-6878
  • Belvedere: 415-435-2611
  • Fairfax: 415-453-5330
  • Marin County Sheriff’s Department: 415-479-2311
  • Mill Valley: 415-389-4100
  • Napa: 707-257-9550
  • Napa County Sheriff Department: 707-253-4440
  • Novato: 415-897-4361
  • Oakland: 510-777-3333
  • Petaluma: 707-778-4372
  • Rohnert Park: 707-584-2611
  • Ross: 415-453-2727
  • San Anselmo: 415-258-4610
  • San Rafael: 415-485-3000
  • Santa Rosa: 707-528-5222
  • Sausalito: 415-289-4170
  • Sonoma: 707-996-3602
  • Sonoma County Sheriff Department: 707-565-2511
  • Tiburon: 415-789-2801
  • Twin Cities: 415-927-5150