| City Clerk's Office, 1 Junkins Avenue, Portsmouth, NH 03801, Phone:(603) 610 - 7245, Fax:(603) 427-1579 | City Clerk's Home   FAQ   Birth, Marriage and Death Records   Licenses and Permits   Voting Information   Election Results   City Charter   City Council Revised Orders   Elected City Officials   Boards & Commissions   State and National Representation   Room Reservation Municipal Complex   Directions to City Hall   Sidewalk Performer Guidelines   City Home   City Clerk Issues the following Licenses and Permits Business License The City of Portsmouth does not require a business license. However, the State of New Hampshire issues business licenses. Applications may be obtained from the New Hampshire Secretary of State at 603-271-3242 or via the web at www.state.nh.us/sos. return