Access to some records is limited. For example, birth records are typically not provided until 50 years after the date of birth. In other cases, a justification for access or special credentials might be required.
The Connecticut Department of Public Health’s State Vital Records Office maintains a statewide registry of births, marriages and deaths beginning with 7/1/1897. How to obtain a document
Vital statistics, including records prior to 7/1/1897 are maintained at the town level by the Town Clerk's office.
Connecticut Open Data provides access to public data gathered by Connecticut state agencies.
The Connecticut Judicial Branch provides online access to a wealth of documents including business filings ,financial and banking licenses, license verification for professions and trades, and court cases.