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All Fairfield residents (including part year & retirees) 18 years or older, are required by City Ordinance to file a City tax return each year on or before the federal due date, whether or not tax is due.
All businesses conducting business in Fairfield are required to file a tax return.
Business Returns: A copy of your Federal Return.Individual Returns: -W-2 form(s) -Federal 1040 tax return including: -Schedule A, C, E, F and/or 4797, if applicable -Documentation for any income reported on your Federal tax form as "other income" (Line 21 of the Federal 1040 Form) -Any other federal schedules or forms which document deductions or or additions to your local tax return -Copies of other local tax returns or refund requests you have filed
The City tax return must be postmarked by April 15, unless a taxpayer requests an extension, which also must be filed by the applicable due date. Extensions with a Federal Extension are automatically granted. Extensions to file without a Federal extension will only be granted to accounts in good standing.
Complete and submit the following Individual Registration by mail, email, or fax.