Colorado Taxation

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Online Resources

 * U.S., Internal Revenue Assessment Lists, 1862-1874 - Images only; Images include a county research guide, and some county or city assessment lists (annual, monthly, and special) for the years 1862-1866.
 * U.S. IRS Tax Assessment Lists, 1862-1918 - ($); This collection includes annual, monthly and special assessment lists.

Colorado State Archives
1313 Sherman Street Floor 1B, Room 20 Denver, CO 80203 Telephone: (303) 866-2358
 * Online Index - Search by Record Type: Tax Lists, or check the List of Records included in the Archives Search to view records by county. The database is also searchable by name and time span.

Additional Records
Taxation records are listed in the Place Search of the FamilySearch Catalog under:
 * COLORADO - TAXATION
 * COLORADO, [COUNTY] - TAXATION