The Steilacoom Historical Museum Association serves the public by preserving local culture, thereby enabling present and future generations to learn about and maintain the heritage of the Town of Steilacoom.

• Educate the public about the Town's historical significance and advocate the preservation of symbols of that significance,
• Operate a cluster of museums and collect, preserve and interpret materials that exemplify the history of Steilacoom, thereby preserving the memories of longtime residents,
• Restore and maintain the Association’s historical structures,
• Present public and private events that celebrate Steilacoom's characteristics and promote a sense of community,
• Follow sound and accountable financial practices,
• Carry out all objectives and activities following the Code of Ethics for Museums of the American Alliance of Museums.