Hiring a part-time nanny means welcoming someone into your home and trusting them with your children's safety—criminal background checks aren't optional, they're essential. Most families skip this step thinking it's expensive or complicated, but it's actually straightforward and worth every penny. Here's what you need to know to protect your kids while finding the right caregiver.
Why Criminal Background Checks Matter for Part-Time Nannies
A criminal background check reveals whether a prospective nanny has a history of violence, theft, abuse, or drug-related offenses. Part-time nannies often work independently or through smaller agencies, which means you can't always rely on someone else vetting them—that responsibility falls on you. Even caregivers who seem trustworthy on paper can have hidden red flags that won't surface without a formal check.
Beyond legal liability, this process gives you peace of mind. You're not being paranoid; you're being practical.
What Gets Checked
A comprehensive criminal background check for a nanny typically includes:
- Local and state criminal records – Misdemeanors and felonies in the jurisdiction where the person has lived
- National criminal database searches – Felony convictions across all 50 states
- Sex offender registry checks – Required in most states and critical for anyone caring for children
- FBI fingerprint records – The most thorough option, though less common for part-time positions
- Driving record (optional but recommended) – Relevant if your nanny drives your kids anywhere
Some checks also flag pending charges or arrests, not just convictions. Ask your screening provider what's included.
How to Order a Background Check
You have three main options:
1. Third-party screening services Companies like Checkr, Integrify, or GoDaddy Background Checks specialize in nanny vetting. Cost ranges from $25 to $100. Turnaround is typically 3–7 business days. These services handle fingerprinting (usually at a local location) and deliver a clear report.
2. State police or local law enforcement You can request a background check directly, but this is slower and requires the nanny's cooperation and fingerprints. Expect 2–4 weeks and $20–$50. Not ideal for filling positions quickly.
3. Through a nanny agency If you hire through an established agency, they often provide pre-screened candidates or offer discounts on background checks. Agencies typically charge $15–$40 per check as part of their service.
Platforms like Mercoly help you compare and find trusted part-time nanny providers in one place, including those who can arrange background checks as part of their vetting process.
What to Ask Before Running a Check
Get written consent from the nanny candidate. Federal law requires it—the Fair Credit Reporting Act (FCRA) mandates that employers inform applicants they're running a check and get their permission. This also protects you legally.
Discuss the cost upfront. Some families cover it; others ask candidates to pay ($30–$60). If you're asking the nanny to pay, be transparent about the amount and timing.
Ask if they've lived in multiple states. If so, you may want to run checks in each state where they've spent significant time, especially the last 7–10 years. This costs more but is thorough.
Understanding Results
A clean report doesn't guarantee a perfect employee, but convictions or disqualifying charges should stop the hiring process immediately. Look for these red flags:
- Any felony conviction, especially violent crimes or crimes against children
- Drug distribution (possession may be case-by-case)
- Any sexual offense or child endangerment charge
- Restraining orders or harassment charges
- Multiple DUIs if driving your kids is part of the role
Minor misdemeanors years ago might warrant a conversation, but serious crimes are non-negotiable. Trust your gut.
Reference Checks Still Matter
A clean background check is necessary but not sufficient. Always contact previous families the nanny has worked for. Ask about reliability, how they handled discipline, whether kids felt comfortable, and why they left the position. Background checks catch criminal history; references catch behavioral issues.
Keep Records
Store the background check report securely—don't leave it lying around. Some families keep a copy with their nanny's employment file, locked away. You'll need it if you ever have disputes or legal questions later.
Frequently Asked Questions
Q: How often should I rerun a background check on a part-time nanny? There's no legal requirement to repeat checks, but many families do so every 2–3 years or if there's a long gap in employment. It's a reasonable refresh, especially if the nanny will be with your family long-term.
Q: Can I use a free background check app instead of paying for a service? Free checks are usually limited or inaccurate. Paid services ($30–$100) access official criminal databases and provide legally defensible reports. The small investment is worth it for child safety.
Q: What if the nanny refuses a background check? Don't hire them. A refusal is a major red flag and suggests they have something to hide. Trustworthy caregivers understand why families ask and cooperate willingly.
Start your search for vetted part-time nannies today—and make a background check your first step before scheduling interviews.