Attention: Researchers who wish to perform research on-site may make an appointment by calling (302) 744-5000 or e-mailing More Info logo

Delaware Public Archives (DPA) logo

Contact Information

Please refer all inquiries regarding the records of the State of Delaware, and Delaware Public Archives public programs via the contact form below, or mail your request to:

Delaware Public Archives
121 Martin Luther King Jr. Blvd. North
Dover, DE 19901
(302) 744-5000
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Mabel Lloyd Ridgely Reseach Room & First State Heritage Park Welcome Center

Mabel Lloyd Ridgely Research Room

  • Monday – Friday: 8:30am – 4:00pm
  • 1st Saturdays:  1:00 pm – 4:00 pm
  • Sundays: Closed
  • State Holidays: Closed

First State Heritage Park Welcome Center

  • Monday – Friday: 8:00am – 4:30pm
  • Saturdays:  9:00 am – 4:30 pm
  • Sundays: Closed
  • Holidays: Open certain holidays in conjunction with the
    First State Heritage Park; please call to confirm.

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