Hiring a private investigator to find someone usually costs between $100 and $600 for a basic database search, and $1,000 to $5,000 or more for a complex case involving fieldwork, an evasive subject, or very little starting information. The gap is wide because the jobs are genuinely different. Handing an investigator a full name, an approximate age, and a last-known city is a different assignment than tracing a biological parent from a decades-old address, and the price follows the difficulty.
What Changes the Price
The biggest factor is how much you already know. With solid identifiers, most searches turn up a current address within hours through professional databases. Without them, the investigator has to work backward through fragmentary records, which takes time and specialized skill. Adoption cases, estranged relatives, and historical data from decades ago tend to land in the higher brackets.
Whether the subject is actively avoiding detection also matters. Someone who moved without leaving a forwarding address is far easier to find than someone using aliases or relocating frequently. International searches add another layer because the investigator may need contacts or databases in the destination country, and verification takes longer when records sit in a different language or legal system.
Urgency pushes prices up. Results within 24 to 48 hours mean a premium for after-hours work and expedited database access. Geography matters too. Investigators in major metropolitan areas charge more than those in smaller markets.
Typical Price Ranges
Basic Skip Tracing
Skip tracing is the bread and butter of locate work. The investigator runs your subject’s known identifiers through professional databases that aggregate public records, credit header data, utility connections, and address histories. For a person who isn’t hiding, this often produces a current address and phone number without any fieldwork. Expect roughly $100 to $600, with many firms pricing a standard nationwide skip trace between $150 and $350. The price depends largely on how many rounds of searching are needed and whether the investigator has to verify results through additional channels.
Complex or Extended Searches
When database searches come up empty, or the case involves a missing person, active evasion, or very limited starting information, costs climb quickly. These investigations often require interviews, physical surveillance, travel to the person’s last known area, and cross-referencing records that aren’t in any single database. A realistic budget starts around $1,000 and can reach $5,000 to $7,500 for nationwide searches requiring sustained effort over weeks. Finding a long-lost relative with only a first name and an approximate birth year is the kind of case that sits at the upper end.
How Investigators Bill
Hourly Rates
Most investigators charge by the hour for open-ended work like surveillance, interviews, and field investigations where the timeline is unpredictable. Rates across the country generally fall between $65 and $125, though experienced specialists in high-cost cities can charge $150 or more. When an investigator quotes an hourly rate, ask what counts as billable time. Some bill for travel to and from a location; others only for active investigation time. That distinction can add hours to your final invoice.
Flat Fees
Flat-fee pricing is common for well-defined services like a basic skip trace or a background check. The investigator knows from experience roughly how long the work takes and prices accordingly. Cost certainty is the main advantage. The tradeoff is that flat-fee searches usually have a defined scope. If the initial database search doesn’t locate your subject, the investigator will quote additional work separately rather than absorb the extra time into the original fee.
Retainers
For complex cases, investigators often require a retainer, an upfront deposit that typically ranges from $500 to $5,000 depending on anticipated scope. The investigator draws down against this balance as they work, billing their hourly rate plus expenses. Most retainer agreements require you to replenish once the balance drops below a certain threshold, and the investigator can stop work if you don’t. Before signing, clarify whether unused retainer funds are refundable and how often you’ll receive itemized statements.
Expenses on Top of the Fee
Many investigators charge expenses in addition to their hourly rate or flat fee, and these can catch clients off guard. Common pass-through costs include:
- Database access fees for specialized searches beyond standard tools, often $25 to $200 per search depending on the database.
- Mileage and travel for fieldwork, including tolls and parking. Mileage rates vary by firm but often fall between $0.58 and $0.85 per mile. For reference, the IRS standard mileage rate for 2026 is 72.5 cents per mile.1Internal Revenue Service. IRS Sets 2026 Business Standard Mileage Rate at 72.5 Cents Per Mile
- Surveillance equipment fees of $100 to $500 per day when cases require specialized cameras or long-range lenses.
- Court or public records fees for certified copies of court documents, property records, or vital records, charged per document by the issuing office.
- Report preparation, which can add $150 to $500 for a written report documenting findings and evidence.
Ask for a written estimate that separates the investigator’s fee from anticipated expenses. A reputable investigator won’t object. A suspiciously low hourly rate with no itemized expenses often produces a higher final bill than a straightforward all-in quote.
What Your Money Buys
A locate investigation generally starts with an intake consultation. The investigator gathers everything you know about the subject: names, aliases, dates of birth, old addresses, known associates, and any other fragments. Small details like a former employer or the name of a high school can open productive search paths, so hold nothing back.
The core of the work happens in professional investigative databases that link public records, proprietary data, and alternative sources. These are restricted platforms that require licensing and permissible purpose to access, which is a meaningful part of what you’re paying for. They aren’t the consumer people-search sites anyone can use.
Beyond database searches, the fee covers analysis and verification. An investigator doesn’t just hand you a list of possible addresses. They cross-reference records, eliminate outdated hits, and confirm the subject’s current location through secondary indicators like utility connections or recent public filings. Depending on the case, this may include interviews with people who knew the subject, visits to prior addresses, or surveillance to confirm the person actually lives where the records suggest.
Expect regular status updates and, at the end, a written report summarizing findings, methods, and the confidence level of the results. That report matters if you need the information for a legal proceeding.
How to Vet Whoever You Hire
More than 40 states and the District of Columbia require private investigators to be licensed. Requirements vary but commonly include a minimum age, relevant experience or education in criminal justice, a background check, and a passed exam. Before hiring anyone, verify their license through your state’s licensing authority. Most states maintain a searchable online database where you can confirm an active license and check for disciplinary history.
Look for these indicators of professionalism:
- A written contract specifying scope, billing structure, estimated costs, expense policies, and what happens if the search is unsuccessful.
- Clear billing increments. Ask whether they bill in 15-minute blocks, half hours, or full hours. An investigator who rounds every five-minute call to a full hour is effectively inflating your bill.
- Realistic expectations. Be wary of anyone who guarantees results before reviewing your case. Experienced investigators will tell you upfront if a case has a low probability of success.
- A defined communication schedule. Weekly email summaries are standard for extended investigations.
A few investigators offer no-find, no-fee arrangements for straightforward locate work, meaning you pay nothing if they can’t find the person. These are uncommon and typically apply only to basic database searches, not complex fieldwork. If it’s offered, get it in writing and confirm exactly what “not found” means in the agreement.
Try Free Options First
Before spending hundreds or thousands of dollars, exhaust the free options. For someone who isn’t deliberately hiding, you might find them without professional help.
- Search the person’s name, email, and phone number across Facebook, LinkedIn, Instagram, and other platforms. Even if a profile is private, mutual connections or tagged photos can reveal a current city.
- Free people-search sites like Whitepages, TruePeopleSearch, and FamilyTreeNow compile public records and directory listings. They won’t match a professional database but are a reasonable first step for basic address lookups.
- Use targeted Google queries. Put the full name in quotes with a city, employer, or other identifier. A search like site:linkedin.com “Jane Smith” accountant is more precise than a generic name search.
- Check public records. County assessor sites, voter registration databases, and court record portals are freely searchable in many jurisdictions. Marriage, divorce, and property records can reveal a current address or a spouse’s name that leads to one.
- Look at reunion registries if you’re searching for an adopted family member or military buddy. Both parties can register their willingness to be found, which sidesteps the privacy concerns of a unilateral search.
If these turn up nothing, that’s useful information to bring to an investigator. Showing what you’ve already tried helps avoid duplicated work and may reduce billable hours. It also signals that the case likely needs the deeper databases and field techniques that justify professional fees.