County Offices

Lancaster NH is the seat of Coös County.

County Offices

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Coös County Courthouse
55 School St., Lancaster

Registry of Deeds            603-788-2392
Sheriff's Office                 603-788-5598
County Attorney's Office   603-788-5559
    Victims Witness Advocacy

County Court Information

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1st Circuit Court   855-212-1234
    District Division
    Family Division
    Probate Division

Superior Court      603-788-4702