1 county-level rule, plus city-specific rules for 2 cities in Hillsborough County, New Hampshire.
Verified from official government sources
Hillsborough County has no county-level fireworks ordinance. New Hampshire fireworks law is found at RSA 160-C. 'Permissible fireworks' (consumer fireworks except those banned by RSA 160-B:16) may be possessed and displayed by adults 21 or older on private property with the owner's written consent or in the owner's presence, unless the city or town has voted to prohibit them under RSA 160-C:6. Display fireworks require a state license, municipal permit, and federal permit.
2 cities in Hillsborough County have their own fire regulations rules. Each link goes to that city's dedicated page with code citations.
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Hillsborough County Ordinance Hub →