# 1st Security Bank of Washington

Business profile: public business information with links to supporting state records. Data as of October 16, 2026.

- Legal business name: 1st Security Bank of Washington
- Alternative and DBA names: 1st Security Bank of Washington Inc.
- Entity type: Bank
- Original incorporation date: February 27, 1937
- Time in business: 89 years and 7 months
- Jurisdiction count: 6

## All known addresses

- 6920 220th St SW, Mountlake Terrace, WA 98043 (listed in Washington, Colorado, Oregon)
- 97000 PO Box, Lynnwood, WA 98046 (listed in Idaho)
- 525 Park St Ste 247, Saint Paul, MN 55103 (listed in Minnesota)

## Registered states

- [Colorado](https://index.baselayer.com/co/7daaf7368d808ccc): Foreign registration
- [Idaho](https://index.baselayer.com/id/b9fb0f4ff003b6ab): Foreign registration
- [Minnesota](https://index.baselayer.com/mn/6be435192e89a911): Foreign registration, as 1st Security Bank of Washington Inc.
- [Nevada](https://index.baselayer.com/nv/127b1e1758c37663): Foreign registration
- [Oregon](https://index.baselayer.com/or/32a128f94e457df0): Foreign registration
- [Washington](https://index.baselayer.com/wa/bf417870a4c6feda): Domestic registration

Source: public state registration records. Missing values are not a negative finding.

Cite as: Baselayer Business Index (https://index.baselayer.com/business/bf417870a4c6feda)