How Long Does the EEOC Have to Investigate a Claim?

The EEOC has no statutory deadline to finish investigating a discrimination charge, but its own figures put the average investigation at about 10 months from filing to closure.¹ Some charges wrap up in a matter of weeks through mediation. Others run well past a year when the facts are complex or the agency’s caseload is heavy. The number that matters most to you sits in the middle: 180 days after you file, you can ask the agency for permission to leave the investigation behind and take your case to federal court on your own.

What the 180-Day Mark Actually Means

Under Title VII and the Americans with Disabilities Act, you need a Notice of Right to Sue from the EEOC before you can file a lawsuit in federal court, and the law generally requires giving the agency at least 180 days to work on the charge before you can request that notice.¹ Read 180 days as a minimum waiting period, not a maximum investigation window. If the EEOC hasn’t dismissed the charge, filed its own lawsuit, or reached a settlement by then, you can request the notice and move to court yourself.²

Asking for a right-to-sue notice doesn’t mean the EEOC failed. Many claimants use the 180-day mark strategically, especially when they want to move to court while evidence is fresh and witnesses are still available. Others let the investigation run its course. The agency can also issue an early notice before 180 days, but only if a district or field director determines processing won’t finish in time and certifies that finding in writing.³

Why Some Investigations Take Much Longer Than Others

The 10-month average hides a wide range. Case complexity is the biggest driver. A single termination with a clean paper trail moves faster than a systemic claim covering dozens of employees and years of hiring data.

Employer cooperation matters more than most people realize. When an employer responds promptly to document requests and makes witnesses available, the investigation moves. When an employer stalls or turns over incomplete records, everything slows. If an employer refuses to cooperate, the EEOC has subpoena authority to compel documents and testimony, but enforcing a subpoena adds weeks or months.⁴

Then there’s the agency’s overall workload. In fiscal year 2024, the EEOC took in more than 88,500 new charges while carrying over 52,000 pending charges from prior years.⁵ The agency uses a priority system to decide which charges get the most investigative resources. Cases involving clear violations or large groups of workers tend to get faster attention. Weaker or more routine claims can sit longer before an investigator picks them up.

Mediation can compress the timeline dramatically. Early in the process the EEOC may offer mediation to both sides. It’s voluntary, confidential, and typically resolves charges in a fraction of the time a full investigation takes. If either side declines or mediation doesn’t produce a resolution, the investigator moves forward with document requests and witness interviews.⁶

Checking on Your Charge

You can check the status of your charge at any point through the EEOC’s Online Charge Status System. You’ll need your charge number and the zip code from your charge form. The system shows the current status, which staff member is assigned, investigation steps completed, and next steps.⁷

How the Investigation Ends

When the investigation closes, one of two things happens. If the EEOC finds reasonable cause to believe discrimination occurred, it issues a Letter of Determination and moves into conciliation, a confidential process where the agency tries to negotiate a resolution between you and the employer.⁶ Conciliation is voluntary on both sides; neither the agency nor the employer can be forced to accept specific terms.⁸ If conciliation fails, the EEOC decides whether to sue the employer itself. It files suit in only a small percentage of cases. If the agency declines to litigate, it issues your right-to-sue notice so you can pursue the case on your own.

If the EEOC doesn’t find enough evidence to support your claim, it issues a Dismissal and Notice of Rights. A dismissal doesn’t necessarily mean discrimination didn’t happen. It means the agency couldn’t establish a violation with the evidence it gathered. The dismissal notice doubles as your right-to-sue notice, so you can still take the case to court.⁶

The 90-Day Deadline That Follows the Notice

However your case ends at the EEOC, whether through dismissal, failed conciliation, or your own request after 180 days, the right-to-sue notice starts the most important clock in the entire process. You have 90 days from the date you receive the notice to file a lawsuit in federal court.² Courts enforce that deadline strictly. Extensions are extraordinarily rare.

This is where a lot of claims die. People wait through the investigation, receive the notice, and then spend too long finding a lawyer or deciding whether to move forward. If 90 days pass without a filing, the right to sue on that charge is gone. If you think you might litigate, start looking for an attorney well before the notice arrives so you’re ready to act the day it does.

When the Timeline Works Differently

Not every claim runs on the same clock. Three situations follow different rules, and knowing which one you’re in changes when you can go to court.

Age Discrimination Claims

Claims under the ADEA don’t require a right-to-sue letter at all. You can file a lawsuit 60 days after filing your charge with the EEOC, even while the investigation is still open and the agency hasn’t issued any notice.⁹ If the EEOC eventually dismisses your age discrimination charge, you then have 90 days from the date you receive that dismissal to file suit.

Equal Pay Act Claims

Equal Pay Act claims are more flexible still. You can file a charge with the EEOC or go straight to court without filing one at all.¹⁰ If you believe you’re being paid less than a coworker of a different sex for substantially equal work, the EEOC process is optional.

Federal Employees

If you work for the federal government, everything above changes. Federal employees must contact an EEO counselor at their own agency, not the EEOC, within 45 days of the discriminatory act.¹¹ That’s a much tighter window than the 180- or 300-day charge deadline in the private sector, and missing it can bar the claim entirely.

After counseling, you have 15 days to file a formal complaint with your agency’s EEO office. The agency then has 180 days to investigate. If it doesn’t finish in that window, it must notify you in writing, and you can either request a hearing before an EEOC administrative judge or file suit in federal court. After the administrative judge decides, the agency has 40 days to issue a final order, and you can appeal that order to the EEOC’s Office of Federal Operations within 30 days.¹¹

1
U.S. Equal Employment Opportunity Commission. What You Can Expect After You File a Charge
2
GovInfo. 42 USC 2000e-5 Enforcement Provisions
3
eCFR. 29 CFR 1601.28 – Notice of Right to Sue: Procedure and Authority
4
Office of the Law Revision Counsel. 42 USC 2000e-9 – Conduct of Hearings and Investigations Pursuant to Section 161 of Title 29
5
U.S. Equal Employment Opportunity Commission. 2024 Annual Performance Report
6
U.S. Equal Employment Opportunity Commission. What You Can Expect After a Charge is Filed
7
U.S. Equal Employment Opportunity Commission. EEOC Online Charge Status System Tip Sheet
8
U.S. Equal Employment Opportunity Commission. What You Should Know: The EEOC, Conciliation, and Litigation
9
Office of the Law Revision Counsel. 29 USC 626 – Recordkeeping, Investigation, and Enforcement
10
U.S. Equal Employment Opportunity Commission. Questions and Answers About the Equal Pay Act
11
U.S. Equal Employment Opportunity Commission. Overview Of Federal Sector EEO Complaint Process