The Onset Fire Department is located in Southeast Massachusetts approximately 60 miles south of Boston at 41°44′47″N 70°39′48″W.
Onset is a census-designated place in the town of Wareham. We have a population of 8,900 year round residents and 18000+ during the summer time living in an area of 4.5sq miles. We operate out of two stations. Our department has 7 full time firefighters and 54 call firefighters with theDesire to Serve, The Courage to Act, and the Ability to Performfor the residents, businesses and visitors of Onset.