Brandywine Creek flowing over a dam.
Brandywine Creek flowing over a dam.


First State National Historical Park is a new national park unit. Programming and facilities are currently operated through our partners, especially the State of Delaware. To learn more about accessibility contact the individual sites below.

The New Castle Court House Museum and The Green, New Castle
211 Delaware St., New Castle, DE. (302) 323-4453

The Green, Dover
121 Martin Luther King, Jr. Blvd., Dover, DE.; (302) 739-9194

Beaver Valley
4501 Thompson Bridge Rd., Wilmington, DE; (302) 577-7756
Visit the Nature Center at Adjacent Brandywine Creek State Park:

Last updated: March 23, 2016

Contact the Park

Mailing Address:

New Castle Court House Museum
211 Delaware Street

New Castle, DE 19720


(302) 544-6363
This phone number is not staffed. You can leave a message on the park's main phone number (302-544-6363) and we will return your call as soon as possible. If you are visiting one of the seven sites, and need specific information, please refer to the "Places to Go" page for phone numbers and addresses of each site.

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