Researching a Castle Rock family or building? Start with one question for the archives
The library’s local-history department offers research assistance by appointment, separate from ordinary branch hours.

Image: AI-generated illustrative photograph of archival research supplies; not Douglas County Libraries’ actual collections or handling procedures.
A family name, an old address or a photograph with no date can be the beginning of a local-history project. Douglas County Libraries’ Archives & Local History department is inside the Castle Rock branch at 100 South Wilcox Street, offering a place to turn that curiosity into a more focused question.
The archive’s visiting page distinguishes between public reading-room access and research assistance. It lists the reading room as open Monday and Friday, 8 a.m. to 4 p.m., with assistance by appointment Monday through Friday during those hours. It is closed on weekends. Regular library opening hours do not mean an archivist is available without an appointment.
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Before contacting staff at 303-688-7730, write down what you already know, where that information came from and the specific gap you hope to fill. A street number and approximate decade can be more useful than asking for everything about a neighborhood. Keep uncertain family recollections clearly separate from facts supported by records.
Most collections need staff retrieval, and seating is limited. The archive asks researchers to use pencil, consult staff before copying or photographing material, and keep folders in order. Following those instructions helps preserve the context that makes a record useful to the next person with a question about Castle Rock.










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