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American River Bank is now
part of Bank of Marin

On behalf of all of us at Bank of Marin – Welcome!

We are pleased to share the news that Bank of Marin and American River Bank have received all necessary approvals and our merger is complete.

Bank of Marin and American River Bank: Stronger Together
Earlier this year American River Bank and Bank of Marin announced our intention to combine our two exceptional institutions to become a preeminent community banking institution in Northern California. Our complementary values and disciplined fundamentals make this a natural fit for Bank of Marin to expand into Greater Sacramento and Amador County, and deliver enhanced banking resources to legacy American River Bank clients. Since the merger was announced in April, our teams have worked together collaboratively to ensure a smooth transition and integration.

What Becoming a Bank of Marin Client Means to You
Your local team of bankers will be able to offer an expanded array of outstanding products – including specialty lending and wealth management and trust services. Our combined footprint will allow you to bank at more locations across Northern California.

What Happens Next
We are now working to consolidate all accounts into the same system, scheduled to occur in the first half of 2022. After the integration is complete, you will be able to access your accounts at all the current American River Bank locations and Bank of Marin locations. Until then, please continue to use American River Bank branches and digital banking platform for your day-to-day banking needs.

We’re Here for You
As we near the systems conversion date, you will receive information to guide you through the process. If you have questions about the conversion prior to receiving the information packet, please call or visit your local American River Bank branch.

Again, welcome to Bank of Marin. We are proud to be a part of your community and we look forward to growing our relationship with you.


Russell A. Colombo, Chief Executive Officer

Tim Myers, President & Chief Operating Officer

Learn more about Bank of Marin

Merger Announcement Press Release

Frequently Asked Questions