The Muir Beach Volunteer Fire Department is moving one mile west from its historic headquarters in a century-old barn to a new prefabricated station two and a half times the size on a plot of land with a sweeping panorama of Mount Tamalpais. Last week, the Board of Supervisors approved $100,000 toward the project, closing a funding gap and boosting an effort 15 years in the making.
At about 1,000 square feet—the average size of…