Welcome!
Headquartered in Mountlake Terrace, Washington, 1st Security Bank of Washington has been serving Washington State since 1936. We are a local bank, dedicated to serving our customers’ financial needs in the best way possible. We choose to place the highest priority on customer service, and offering products, services, and rates that rival the best.
1st Security Bank provides deposit and credit services to a range of retail and business clients.
Our focus has been and remains the same: provide excellent customer service; offer competitive products and services, and; provide superior financial support to the individuals and businesses in our communities that make the Pacific Northwest such a great place to live.