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First State National Historical Park
National Park Service
10 Market Street
New Castle, DE 19720
(302) 317-3854



For general inquiries, you can call the Sheriff's House Welcome Center (302-317-3854) and someone will return your call as soon as possible. For a more immediate response, please e-mail us.

If you would like to contact our law enforcement regarding crimes or other incidents in the park, please email us at frst_reportincidents@nps.gov .

Last updated: September 9, 2024

Contact Info

Mailing Address:

First State National Historical Park
10 Market Street
New Castle, DE 19720

Phone:

302-317-3854
To speak to a park ranger, call the park Welcome Center (302-317-3854) and someone will return your call as soon as possible. For a more immediate response, please email the park at firststate@nps.gov.

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