Ground-based sparkling devices and non-chlorate sparklers are legal statewide. Aerial and explosive consumer fireworks (Roman candles, firecrackers, bottle rockets, mortars) are illegal to discharge without a State Fire Marshal permit, which is issued only for professional public displays.
Maryland Public Safety Title 10 governs fireworks countywide; Baltimore County follows the state law plus fire-marshal permitting. The statute excludes ground-based sparkling devices that are nonaerial and nonexplosive from the definition of "fireworks," so those and sparklers are legal for consumers. Everything meeting the fireworks definition requires a discharge permit from the State Fire Marshal, granted essentially only to municipalities and organizations staging supervised displays. There is no exception allowing residents to shoot aerial fireworks on private property.
Discharging or possessing fireworks with intent to discharge without a permit is a misdemeanor; the State Fire Marshal and county fire officials enforce, with fines and confiscation.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
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See how Baltimore County's fireworks rules stack up against other locations.
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