Adams County, Colorado Genealogy Records

Listed record inventories

Selected holdings and indexes for Adams County, checked against the repository descriptions linked below. Date spans may contain gaps; an index is not a complete set of original records.

See the repository's descriptions and search options

Repository access note: Selected county and court series from the Colorado State Archives 2013 Finding Aids Quick Index. Only unambiguous dated rows marked Open in that historical index are included. That label does not certify current access. Confirm custody and restrictions with the Archives. Spans summarize separate storage units and may contain gaps.

Sources: the catalogs and repository descriptions linked on the entries above. Selected inventories do not establish complete coverage of every record type or online access to original documents. Read the repository access note for source dates and limitations.

Where to find the records

• Adams County official website

  Hours, addresses and phone numbers for the county clerk and recorder and the district court, and any online record search the county offers.

• The county clerk and recorder

  Deeds and other land records, and marriage licenses.

• The district court

  Probate (wills and estates) in every county but Denver, which has its own probate court, plus divorces and civil cases.

• The Colorado State Archives

  In Denver: county and court records, territorial records and indexes.

• Colorado State Archivesfree

  The state archives in Denver, with county, court and territorial records and indexes to many of them.

• FamilySearch Catalogfree

  Search by place for "Colorado, Adams" to find filmed and digitized records, many viewable free online with a FamilySearch account.

Offices change their hours and access rules; call before you visit.

Boundaries and parent counties

Formed from: Arapahoe County

Check the parent county for earlier records: Arapahoe County

Later formed partly from Adams County: Broomfield County

Records stay with the county that created them. If your ancestor lived here before 1902, search the parent county. The Atlas of Historical County Boundaries shows each boundary change.