Infidelity and Affair Investigations
When trust has already broken down, we help verify what is real so you are not left living on suspicion alone.
If you need help with a criminal matter, please visit Crime Fixer.
Private Investigators for Washington Family Law Cases
Based in Tacoma, Family Private Investigator is a licensed Washington State agency helping families and attorneys document facts for divorce, child custody, affair, parenting plan, financial support, and court order matters. All investigative work is conducted in Washington. Start with a confidential consultation before approving any paid work.
Explore by Investigation Type
Start with the part of the case that is keeping you up at night. Each page is organized around one core question so the guidance stays clear and relevant.
Divorce Investigations
We help sort out living arrangements, timelines, asset questions, and credibility problems when the divorce story no longer adds up.
Child Custody Investigations
We help document safety concerns, caregiving patterns, and day-to-day reality when a child's wellbeing is at the center of the case.
Parenting Plan Investigations
We help turn missed exchanges, denied time, relocation issues, and repeated violations into a clear timeline people can actually follow.
Financial Support Investigations
We help test income stories, work activity, cohabitation, and lifestyle claims when the numbers stop making sense.
Court Order Investigations
We help document violations, build the factual record for new filings, and organize the evidence courts need when restraining orders, protection orders, or no-contact orders are at issue.
Explore by Service Type
Surveillance, locate work, witness interviews, research, and Legal Support solve different problems. This is where those differences become easier to understand.
Location Services
When the case cannot move forward without a current address, work link, or residence answer, location work helps narrow the uncertainty.
Surveillance Services
Used carefully, surveillance can document routines, exchanges, and real-world behavior instead of leaving everyone stuck with competing stories.
Background Check Services
Public-record and public-facing research can reveal business ties, court history, and other facts that deserve a closer look.
Digital Forensics Services
When devices, messages, or online activity matter, we focus on preserving and reviewing lawfully available digital evidence.
Witness Interview Services
Sometimes the missing piece is a calm conversation with the person who saw more than the paperwork shows.
Legal Support Services
We help organize timelines, exhibits, and source material so the record is easier for you or your attorney to work with.
Why Professional Investigation Matters
When a family-law dispute reaches the point where facts, timing, and credibility all matter, professional investigation can change the outcome.
Suspicion Alone Is Not Evidence
Family courts do not act on feelings. What changes a judge's view is organized, lawfully collected documentation that shows what actually happened, when, and how it connects to the legal question at hand.
Timing Shapes What Can Still Be Proved
Evidence can disappear, witnesses can forget, and court deadlines can close windows. A professional investigator helps identify what needs to be documented now, before the opportunity is gone.
The Wrong Approach Can Hurt Your Case
Improperly obtained recordings or poorly documented sources can create legal and evidence problems. We work within lawful boundaries and preserve source context for review. Your attorney advises on legal use, and the court decides admissibility.
Who We Serve
A spouse, a parent, a grandparent, and a family-law attorney are not carrying the same fear. The guidance here tries to meet people where they actually are.
For Spouses
Support for spouses who are trying to make sense of infidelity, divorce, support, or parenting-plan conflict and want facts instead of more uncertainty.
For Fathers
Support for fathers who need clear, lawful documentation around custody, parenting time, and whether the other side's story matches day-to-day reality.
For Mothers
Support for mothers worried about child safety, household stability, parenting-plan problems, or the stress of proving what has really been happening.
For Grandparents
Support for grandparents trying to show caregiving history, family involvement, and the facts that matter when a child's routine has changed.
For Military Families
Support for military families dealing with deployment, relocation, housing changes, and parenting plans that no longer match real life.
For Attorneys & Law Firms
Support for attorneys and firms that need careful fact gathering, reliable updates, and reporting that is easier to use with clients, declarations, and hearings.
Office and Coverage
Family Private Investigator is a licensed Washington State private investigation agency based in Tacoma. All investigative work is conducted in Washington State. We are frequently hired by clients across the country who need professional investigation services carried out here.
Washington State
Our home state and where all investigation work is conducted. The operating base is in Tacoma, with primary field coverage across 8 counties.
539 Broadway
Tacoma, WA 98402
Tacoma, Seattle, Bellevue, Spokane, Everett, Kent, Renton, Federal Way, Olympia.
California
We are frequently hired by clients in California who need private investigation services conducted in Washington State.
Los Angeles, San Francisco, San Diego, San Jose, Sacramento, Oakland, Fresno, Long Beach.
Florida
We are frequently hired by clients in Florida who need private investigation services conducted in Washington State.
Miami, Orlando, Tampa, Jacksonville, Fort Lauderdale, St. Petersburg, Tallahassee.
Louisiana
We are frequently hired by clients in Louisiana who need private investigation services conducted in Washington State.
New Orleans, Baton Rouge, Shreveport, Lafayette, Lake Charles, Metairie.
Puerto Rico
We are frequently hired by clients in Puerto Rico who need private investigation services conducted in Washington State.
Other States
We are frequently hired by clients across all 50 states who need private investigation services conducted in Washington State. If you are located outside the states listed above, we can still help.
Contact us to discuss your case.
Pricing, Process, and Standards
Before most people trust someone with a painful family problem, they want clear answers about cost, privacy, and what the work will actually feel like.
Pricing
Review consultation terms, the service package, included hours, expense credits, travel rules, and surcharges before you commit.
How It Works
See what the process actually looks like from the first call through updates, documentation, and final reporting.
Licensing & Credentials
Check Washington licensing, insurance, bond coverage, and operating standards before you trust anyone with your case.
Confidentiality
See how your intake details, case materials, and communications are handled from the first conversation forward.
Court-Ready Reports
Review how findings are organized into timelines, exhibits, and reports that are easier for attorneys to use without extra cleanup.
Washington Law & Evidence Compliance
See the legal boundaries that shape surveillance, documentation, digital evidence handling, and investigation planning in Washington.
Trust and Credentials
Client reviews, illustrative investigation scenarios, licensing information, and reporting standards to help you evaluate the agency before you commit.
Client Reviews
Read verified reviews from families and attorneys who have worked with us on affair, divorce, custody, and other family-law investigations.
Illustrative Scenarios
Explore possible investigation methods, useful deliverables, and important limits. These are illustrative scenarios, not verified client success stories.
Licensing & Credentials
Verify our Washington PI agency license, $1M general liability insurance, surety bond, and professional standards.
Court-Ready Reports
See how investigation findings are organized into timelines, exhibits, and reports built for attorneys and court use.
Related Evidence and Planning Guides
- Washington investigation cost guide: Understand how service hours, expenses and separate reporting affect the budget.
- Is a custody investigation worth it?: Start with a specific disputed fact and the evidence that could clarify it.
Common Questions
What kinds of family-law cases do you handle?
We support divorce and affair investigations, child custody and parenting plan disputes, relocation cases, financial support and hidden asset concerns, court order violation documentation, and related family-law evidence needs across Washington.
How quickly can you start working on my case?
Standard intake and planning typically takes 48 hours from consultation. Urgent matters involving safety, upcoming hearings, or time-sensitive evidence can be expedited with priority planning.
Do I need an attorney before hiring a private investigator?
No. You can hire directly as an individual client. However, if your case involves active litigation, we recommend attorney coordination to ensure evidence collection aligns with your legal strategy and admissibility requirements.
What areas do you cover?
We are based in Tacoma and cover King, Pierce, Snohomish, Thurston, Mason, Kitsap, Skagit, and Island counties. Cases involving locations outside these counties can be discussed during consultation.
Do you charge for consultation?
No. Consultation is not separately charged and remains confidential. No investigation work begins until the scope, package, and pricing are confirmed in writing.
How much does an investigation cost?
The service package is $1,500 for 10 service hours with a $150 expense credit. Travel, preparation and applicable surcharges consume available service hours in 1-hour blocks. Report writing is separate at $150 per hour; next-day reporting is not included. Review the full package and surcharge rules before booking.
Book A Consultation
Tell us what is happening, how soon you need help, and what feels most important right now. We will help you understand the next step before any paid work starts.