Local Coverage
Coos County, New Hampshire is served by its Superior Court in Lancaster. Our local agents are familiar with this court's filing requirements and can execute personal service, substitute service, or skip tracing anywhere in Coos County, returning a sworn proof of service that meets New Hampshire's evidentiary standard.
Service Methods Available
Direct, in-hand delivery of the summons and complaint to the named party at any address within Coos County, the primary and most reliable method of service.
Start personal service in Coos County →Where personal service proves impractical after reasonable attempts, New Hampshire's rules permit substitute service on a qualifying adult at the defendant's residence or place of business within Coos County.
Discuss substitute service eligibility →When a defendant can't be located at a known address, our investigative team conducts a documented search across Coos County to establish a current, serviceable address.
Request a locate investigation →Local Court Directory
Superior Court
55 School Street, Lancaster, NH 03584
(603) 271-6702
M-F: 8:00 AM–4:30 PM
Visit court website →Common Questions
Civil matters in Coos County are handled by the New Hampshire Superior Court in Lancaster — see the Local Court Directory above for exact address and contact information.
Yes, our network covers all of Coos County, New Hampshire.
A sworn affidavit of service documenting when, where, and how the documents were delivered, meeting New Hampshire's evidentiary standard.
Talk to our team about service of process in Coos County, New Hampshire.