When selling a home, it is a state requirement that the smoke detectors of the home be inspected by the local fire department prior to closing. This can be scheduled at any time by calling 978-540-2302, please note that someone is required to e present at the time of inspection. The current requirements are available at http://www.mass.gov/eopss/agencies/dfs/osfm/fire-prev/smoke-alarm-regula..., please review them to ensure compliance before scheduling your inspection. The fee for this is $25 and a certificate is provided upon passing inspection. Please call fire prevention for further details.