Background checks are one of the most common services private investigators handle—and understanding what they'll cost you and how long they take is essential before you hire. The price and timeline depend heavily on the depth of investigation, your location, and how far back the investigator needs to dig.
What Goes Into a Background Check
A standard background check by a private investigator typically includes criminal records, civil court records, employment history verification, and credit checks. Some cases require deeper dives: sex offender registry searches, bankruptcy filings, eviction records, or international history. The more components you need, the longer the investigation and the higher your bill.
Private investigators don't just run database searches—they actively verify information by contacting employers, court clerks, and previous landlords. This legwork is what separates a thorough investigation from a surface-level scan.
Typical Cost Ranges
Standard residential background checks usually run $300–$600. This covers basic criminal history, civil records, and employment verification within the US.
Deeper investigations that include multiple states, international records, or specialized searches (asset searches, litigation history) typically cost $750–$1,500.
Rush fees are common. Expect to pay 25–50% extra if you need results in 24–48 hours instead of 5–7 business days.
Flat-rate vs. hourly billing: Most private investigators quote a flat fee for background checks, but some bill hourly at $50–$150 per hour depending on their experience and location. Always clarify upfront which model applies to your case.
Additional costs to anticipate:
- Court record retrieval fees (typically $10–$50 per court)
- Database access charges (usually built into the investigator's quote)
- Travel fees if in-person verification is needed
- Skip tracing add-ons if the subject has moved frequently
Timeline: How Long Does It Actually Take?
A basic background check takes 3–7 business days from start to finish. This assumes the subject has a stable history in one or two states and no complicated criminal records that require manual verification.
Factors that extend the timeline:
- Multiple states or countries involved (add 5–10 days)
- Sealed or expunged records that need court petition (add 2–4 weeks)
- International searches, especially in countries with slow record-keeping (add 2–8 weeks)
- Court closures or backlogs in certain jurisdictions (unpredictable)
- Name changes or common names requiring additional verification (add 3–5 days)
If you need results for hiring decisions or tenant screening, request a preliminary report in 2–3 days, then a comprehensive final report in 7–10 days. This lets you make faster decisions while the investigator gathers the full picture.
How to Get Accurate Quotes and Timelines
Before you hire, give your investigator clear details:
- Which states or countries need to be searched
- How far back the history should go (7 years is standard; 10+ years costs more)
- Whether you need verification calls or just database records
- Your deadline—be realistic, and don't expect next-day results on complex cases
- Specific red flags you're looking for (criminal history, employment gaps, alias names)
Ask for a written estimate that breaks down costs and includes the expected completion date. Reputable private investigators will provide this without hesitation.
Why Hiring a Licensed Investigator Matters
Cutting corners with unverified online background check services often leaves gaps—especially for civil records, employment verification, and out-of-state history. A licensed private investigator has legal access to records you can't retrieve yourself and knows how to interpret them correctly.
Mercoly makes it easy to compare and find trusted private investigators in your area who specialize in background checks, so you can review their rates, experience, and turnaround times before making your choice.
Frequently Asked Questions
Q: Can I get a background check faster if I pay more? Yes—most investigators offer expedited services for 25–50% higher fees, cutting standard timelines from 7 days to 24–48 hours, though this depends on record availability.
Q: What if the subject has a common name like "John Smith"? The investigator will use additional identifiers (date of birth, social security number, previous addresses) to narrow results, which may add 2–5 days and sometimes a small extra fee for manual verification.
Q: Are background checks legal, and will the subject find out? Yes, they're legal when conducted by licensed investigators for legitimate purposes (hiring, tenant screening, legal cases), but disclosure laws vary by state—your investigator should know your jurisdiction's requirements.
Get quotes from multiple licensed private investigators on Mercoly today to compare pricing and availability for your background check needs.