Showing ordinances that apply to Bethesda, MD
Bethesda is an unincorporated community (population 68,056) in Montgomery County, Maryland. Because Bethesda is not an incorporated city, it does not have its own municipal code. Instead, Montgomery County ordinances apply directly to properties here. The smoke detectors rules below are the ones that govern your area.
Montgomery County requires smoke alarms on every level of a dwelling, inside each bedroom, and outside sleeping areas under the Maryland Building Code and county amendments. Ten-year sealed lithium battery or hardwired alarms are mandatory. Carbon monoxide detectors also required.
Montgomery County enforces smoke alarm requirements through the Maryland Building Performance Standards and the county fire prevention code as implemented by MCFRS. All dwellings must have smoke alarms on every level including the basement, inside each bedroom, and in the hallway outside sleeping areas. As of Maryland law updates, all replacement smoke alarms must be sealed lithium battery units with a 10-year lifespan or hardwired with battery backup. Ionization, photoelectric, or dual-sensor alarms are accepted. New construction and major renovations require interconnected hardwired smoke alarms so that activation of one triggers all alarms throughout the dwelling. Carbon monoxide detectors are also required outside sleeping areas in homes with fuel-burning appliances, attached garages, or fireplaces. The MCFRS Community Risk Reduction Division conducts free home smoke alarm installations for residents, particularly targeting senior citizens, low-income households, and older housing stock. Montgomery County has among the highest smoke alarm compliance rates in Maryland due to active enforcement and community outreach. Upon sale of a home, Maryland law requires a smoke alarm certificate confirming compliance.
Failure to maintain smoke alarms: fire code violation with fines up to $500. Landlords face additional penalties under landlord-tenant law. Sale of home without smoke alarm certificate: delays closing.
See how Bethesda's smoke detectors rules stack up against other locations.
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