Taxes

What You Need Before Sitting Down to File Your Taxes

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Organized desk with tax documents, calculator, pen, and folder ready for filing

Key Takeaways

Gathering all income forms before you start prevents errors and missing income on your return.
Your filing status affects your standard deduction amount and tax bracket, so confirm it early.
Deductions and credits require supporting documents; collect them before opening any tax software.
Your Social Security number and the numbers for any dependents are required before you can file.
A bank account and routing number speeds up any refund through direct deposit.
20–45 min

Summary

22 items · 20 to 45 minutes

Why preparation matters before you open your return

Starting a tax return without all your documents is one of the most common ways first-time filers run into trouble. You may enter an income figure from memory and get it slightly wrong, skip a deduction because the receipt is in another room, or stall halfway through because you cannot find a form. Each of those gaps creates extra work and increases the chance of a mistake on a document the IRS will compare against its own records.

This checklist organizes everything into categories so you can collect what you need in one pass. Work through each group before you sit down at the computer or pick up a paper form. If you are filing a federal return for the first time, the step-by-step walkthrough covers what to do once you have everything assembled.

Required

Form W-2

Reports wages paid by an employer and federal, state, and Social Security taxes withheld during the year.

Required

Form 1099 series

Reports income from freelance work, interest, dividends, investment sales, unemployment, and other sources not covered by a W-2.

Required

Social Security card or ITIN letter

Confirms your taxpayer identification number before you enter it on any form.

Optional

IRS Free File (irs.gov/freefile)

Provides no-cost guided tax preparation for filers who meet the income eligibility threshold.

Optional

Prior year tax return

Lets you verify last year's adjusted gross income, which some e-file systems require as an identity check.

The checklist

The items below cover the four areas that apply to most individual filers: identity information, income records, deduction and credit documents, and banking details for your refund or payment. Not every item will apply to your situation. A W-2 worker with no dependents needs far fewer documents than a freelancer with student loan interest and a child tax credit claim.

For a plain-language explanation of the specific forms mentioned below, see the guide to W-2s, 1099s, and other common tax forms.

Identity and personal information

Locate your Social Security number (SSN) or Individual Taxpayer Identification Number (ITIN). You will enter this on every federal and state form you file. Must
Write down the SSN or ITIN for each dependent you plan to claim, including children, a qualifying relative, or anyone else who meets IRS dependency rules. Must
Confirm your current mailing address if you moved during the year, since the IRS will send any paper correspondence to the address on your return. Must
Note your filing status: single, married filing jointly, married filing separately, head of household, or qualifying surviving spouse. Your standard deduction and tax brackets depend on this choice. Must

Income documents

Collect every Form W-2 you received. Employers must send W-2s by January 31, so check your mail and any online payroll portals if yours has not arrived. Must
Gather all Form 1099 variants that apply to you: 1099-NEC for freelance or self-employment income, 1099-MISC for miscellaneous payments, 1099-INT for bank interest, and 1099-DIV for dividends. Must
Locate Form 1099-G if you received any unemployment compensation during the year, since that income is taxable at the federal level. Must
Pull together records of any other income not covered by a formal tax form, such as cash payments for services, tips not included in your W-2, or barter income. Should
If you sold investments, locate Form 1099-B from your brokerage, which reports proceeds from stock or fund sales and is needed to calculate capital gains or losses. Should

Deductions and credits

Decide whether you will take the standard deduction or itemize. For most first-time filers the standard deduction is larger, so itemizing only makes sense if your qualifying expenses exceed the standard threshold for your filing status. Must
If you paid student loan interest, locate Form 1098-E from your loan servicer. Interest payments may be deductible even if you take the standard deduction. Should
Collect Form 1098 from your mortgage servicer if you own a home and paid mortgage interest during the year. Should
Gather records of charitable contributions you want to deduct. Cash donations require a bank record or written acknowledgment; donations of $250 or more require a written receipt from the organization. Should
Compile records of any out-of-pocket medical expenses if you believe they may exceed the IRS threshold (currently 7.5% of adjusted gross income) and you plan to itemize. Nice to have
Note the amount you contributed to a traditional IRA or Health Savings Account (HSA) during the year. Contributions to these accounts can reduce your taxable income and do not require itemizing. Should
If you have a dependent child, confirm whether you qualify for the Child Tax Credit or Child and Dependent Care Credit, and gather any care provider payments and the provider's tax identification number. Should
Check whether you are eligible for the Earned Income Tax Credit (EITC), a refundable credit available to lower- and moderate-income workers. The IRS provides an EITC eligibility tool at irs.gov. Should

Banking and payment details

Write down your bank account number and routing number if you want your refund deposited directly. Direct deposit is faster and more secure than a paper check. Must
If you owe taxes, confirm how you plan to pay: bank account debit, check, or IRS Direct Pay. Have payment details ready before you file so you can schedule it at the same time. Should
If you made estimated tax payments during the year (common for self-employed filers), locate your records or IRS account transcript showing the amounts and dates paid. These reduce any balance owed. Should

Watch for missing or late tax forms

Employers and financial institutions are required to mail tax forms by January 31, but forms occasionally arrive late or go to an old address. Log in to any employer payroll portals or brokerage accounts to download digital copies if a paper form has not arrived by mid-February. Filing with an incorrect or missing income figure can trigger an IRS notice even after your return is accepted. To understand more about errors that commonly trip up new filers, see common mistakes first-time filers make.

This article is for informational purposes only and does not constitute tax, legal, or financial advice. Tax rules change and individual circumstances vary. Consult a qualified tax professional for guidance specific to your situation.

Taxes Editorial Team is the collective byline for our editorial team and contributor network. Articles published under this byline or an editorial pen name are researched, written, and reviewed according to our editorial standards for clarity, consistency, and independence before publication.

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