When to Bring In a Workplace Investigator vs. Handling Complaints In-House in Santa Cruz, CA

An employee walks into your office and says a supervisor has been making comments that cross the line. Your next decision matters almost as much as the complaint itself: do you look into it yourself, or hire an outside workplace investigator? If the matter ends up in front of the California Civil Rights Department or a jury, the quality of that investigation will be one of the first things examined. Here's how to decide.

The short answer: many routine complaints can be handled in-house by a trained, neutral HR professional. Bring in an outside workplace investigator when the accused is senior, the allegations are serious, the facts are disputed, or no one inside can credibly claim to be impartial. In California, that outside investigator generally must be a licensed private investigator or an attorney.

What Does California Law Require of Any Investigation?

California doesn't mandate who investigates, but it sets a clear standard for how. The Civil Rights Council's regulations (2 CCR § 11023) require employers to have a written policy promising a fair, timely, and thorough investigation that gives all parties appropriate due process and reaches reasonable conclusions based on the evidence. The same regulation calls for impartial investigations by qualified personnel, with documentation along the way.

That standard applies whether your HR manager or an outside professional runs the process. It also connects directly to your defense. In the case of Cotran v. Rollins Hudig Hall International (1998), the California Supreme Court held that an employer defending a termination must show it acted on a good-faith belief reached after an appropriate investigation, not that the employee actually did what was alleged. A weak investigation weakens that defense, and it shapes how a CRD investigator views your response to the complaint.

When In-House Investigations Make Sense

Handling a complaint internally is often faster and cheaper, and your team already knows the people and the workflow. It usually works when:

•        The complaint involves peers or front-line staff, not managers or owners

•        The allegations are relatively minor, such as rudeness or a single inappropriate joke

•        The facts are largely undisputed, or documents and messages tell the story

•        Someone with investigation training has no reporting or personal ties to either party

Take a 20-person café in downtown Santa Cruz where one barista reports a coworker's repeated off-color comments, and two others confirm them. A trained manager from a different location can usually interview the witnesses, document the findings, and act within a week.

If you go this route, treat it like any other workplace harassment investigation. Write a short investigation plan, interview the complainant first, give the accused a full chance to respond, and finish with a written report tied to the evidence you collected.

Five Signs You Need an Outside Workplace Investigator

Some complaints are too sensitive, too serious, or too close to leadership to investigate internally. Call in outside help when:

•        The accused is a supervisor, executive, or owner. Employees rarely see an HR manager investigating their own boss as neutral.

•        The allegations involve sexual harassment, assault, threats, or discrimination likely to lead to termination or litigation.

•        The complainant has hired a lawyer or mentioned filing a claim. Expect every step of your workplace harassment investigation to be scrutinized in discovery.

•        There are prior complaints against the same person. A pattern raises the stakes and the need for fresh eyes.

•        Your team is too small to find a neutral investigator. In many Santa Cruz County businesses, everyone reports to the same one or two people.

Who Can Legally Serve as an Outside Investigator in California?

This catches many employers off guard. California's Private Investigator Act generally requires anyone investigating a person's conduct or credibility for a fee to hold a private investigator license. Attorneys acting in their capacity as lawyers are exempt, and so are employees investigating exclusively for their own employer. Hiring an unlicensed HR consultant can expose the consultant to misdemeanor penalties and hand opposing counsel an easy attack on your findings. Our 5-step checklist for vetting a neutral workplace investigator covers credentials and conflicts to check.

Keep the Investigator and the Employer Defense Attorney Separate

If you plan to rely on the investigation to defend a later lawsuit, the investigator's report will likely be discoverable. California courts, starting with Wellpoint Health Networks v. Superior Court (1997), have held that an employer who puts the adequacy of its investigation at issue can waive privilege over it. For that reason, many employers use two separate roles:

•        A neutral workplace investigator who gathers facts and writes findings the company can later disclose

•        An employer defense attorney who advises the company on strategy, discipline, and risk under attorney-client privilege

Combining both roles in one person can compromise the investigation's neutrality and the company's privileged legal advice at the same time. Keeping them apart means you can share the investigator's findings with a court or agency without handing over your lawyer's candid advice about settlement value or litigation risk.

Mistakes That Undermine Any Investigation

•        Waiting weeks to start, which lets memories fade and messages disappear

•        Letting the accused's manager choose the investigator or sit in on interviews

•        Skipping witnesses the complainant identified

•        Taking action against the complainant during the process, which invites a retaliation claim.

•        Writing conclusions that go beyond the evidence, or no written conclusions at all

Get Advice From an Employer Defense Attorney Early

Deciding who investigates is a legal decision as much as an HR one. An employer defense attorney can help you assess the complaint, choose between an in-house review and an outside workplace investigator, and structure the process so it supports your defense later. If a complaint just landed, start with our guide to the first 48 hours after a harassment complaint.

Brereton, Mohamed, & Korte LLP helps Santa Cruz County employers with workplace investigations and employer defense when complaints turn into claims. Call 831-429-6391 to talk through your situation before the investigation begins.

Frequently Asked Questions

1.Are California employers legally required to investigate harassment complaints?

Yes, in practice. FEHA requires employers to take all reasonable steps to prevent harassment, and the Civil Rights Council's regulations require a written policy promising a fair, timely, and thorough investigation. Failing to investigate is one of the most common reasons employers lose harassment cases.

2.Does an outside workplace investigator need a license in California?

Generally, yes. Outside investigators must hold a California private investigator license unless they are attorneys acting as attorneys. Employees investigating solely for their own employer, such as in-house HR staff, are exempt.

3.How long should a workplace harassment investigation take?

California law requires investigations to be timely but doesn't set a fixed deadline. Simple complaints often wrap up in one to two weeks, while complex matters with many witnesses can take a month or more. Start promptly and document the reasons for any delay.

4.Can our company attorney conduct the workplace investigation?

An attorney can investigate, but if that same lawyer also advises the company on the dispute, you may have to choose between relying on the investigation and protecting privileged advice. Many employers keep the investigator and the employer defense attorney as separate people.

5.Is an outside investigator's report confidential?

Not necessarily. If you rely on the investigation as a defense, the report and related notes are often discoverable. Assume the report may be read by the employee's lawyer, a judge, or a jury, and make sure it's neutral and evidence-based.

6.Should we suspend the accused employee during the investigation?

Sometimes. Paid administrative leave can protect the complainant and the process when the allegations are serious. Avoid moving or disciplining the complainant, since that can look like retaliation.

7.What does a workplace investigator cost?

Costs vary with the number of witnesses, the complexity of the allegations, and the investigator's hourly rate. Compare that expense to the cost of defending a lawsuit built on a flawed internal investigation, which is usually far higher.