Washington PI License Cost

Expect to pay $220 for a Washington private investigator license, plus fingerprint/background-check vendor fees, and $110 more if you add the armed endorsement. If you open your own agency, the principal/agency application is $640 and renewals are $193 (PI) or $385 (agency). Details and statutes below.

Requirements last verified: 2026-07-27

How to calculate the private investigator license cost in Washington

1. Decide if you’re applying as an employee PI or opening an agency. Employee PI: budget $220 plus fingerprint/background vendor fees; add $110 if armed. Agency: budget $640 initial, plus DOR BLS handling fees and bonding or insurance. WAC 308-17-150; RCW 18.165.100.
2. Complete preassignment training and test (employee PI). Washington requires a minimum 4-hour course with a proctored test by a certified trainer; training providers set their own course prices. WAC 308-17-300; DOL—PI exams.
3. Schedule fingerprints and pay rolling/background fees to the vendor. Fees vary by location; WSP/FBI checks are routed via the vendor. DOL—Fingerprinting.
4. Submit the PI application to DOL with payment. Use Form 689012 or the online portal; add $5 if you want DOL to print and mail a physical license card. DOL Form 689012.
5. If opening an agency, file through DOR’s Business Licensing Service. Pay BLS handling fee ($10 to apply; $5 to renew) and any local endorsements. WAC 458-02-200; DOL—Agency licensing.
6. Budget for the agency principal exam (if you lack experience). The $640 agency application includes the first principal exam; reexam is $25 if needed. WAC 308-17-310; WAC 308-17-150.
7. Maintain your bond or insurance (agencies). Keep a $10,000 bond on file or qualifying liability insurance at the statutory minimums. RCW 18.165.100.

Private investigator license cost in Washington: what you’ll actually pay

For an employee PI, the fixed state fees are clear—$220 to start and $193 to renew, with an optional $5 print fee—plus variable fingerprint/background vendor charges. Add $110 for an armed endorsement. Those figures come straight from Washington’s fee rule. WAC 308-17-150; DOL—Fingerprinting.

If you’ll operate your own firm, the agency/principal application is $640 (includes your first exam) and $385 to renew. You’ll also incur BLS application/renewal handling fees and must keep either a $10,000 surety bond or the specified liability insurance minimums. WAC 308-17-150; RCW 18.165.100; WAC 458-02-200.

Washington PI license requirements that affect cost

Preassignment training and test

Washington requires at least four hours of preassignment instruction and a written test administered by a certified trainer. Training providers set their own tuition, which is a typical out-of-pocket cost before you submit the $220 PI application. WAC 308-17-300.

Age, employment offer, and background checks

Applicants must be 18+ and be employed by—or have an offer from—a licensed PI agency. Background checks use fingerprints; expect to pay the vendor’s rolling fee in addition to DOL’s license fee. RCW 18.165.030; DOL—Fingerprinting.

Armed endorsement costs

Adding the armed endorsement costs $110 (plus background fees). Armed PIs must be at least 21, have a CJTC firearms certificate and a concealed pistol license in addition to the base PI license. WAC 308-17-150; RCW 18.165 (armed PI provisions).

Agency costs beyond the application

Principal/agency applicants either document 3 years of experience or pass the state principal exam. Budget for the bond ($10,000) or insurance minimums if you choose the insurance route, and remember BLS handling fees ($10 to apply; $5 to renew). RCW 18.165.050; RCW 18.165.100; WAC 458-02-200.

Cost tips for Washington PIs in 2026

If you’re still comparing states or credentials, you may find it helpful to review broad private investigator requirements for 2026 and see how Washington’s fees and preassignment training stack up. If you’ll later expand to other states, browse our Texas private investigator license guide for multi-state planning context.

Related License Navigator guides: Private investigator Washington state: 2026 license guide · private investigator license cost in Alaska: 2026 guide · How to get a private investigator license in Washington

Frequently Asked Questions

What is the total upfront cost to become a Washington PI employee?

Plan on the $220 state license fee, your provider’s preassignment course tuition, fingerprint/background vendor charges, and optionally $5 for a printed license card. If you add the armed endorsement, include an extra $110 plus any additional background-check vendor fees. WAC 308-17-150; WAC 308-17-300; DOL—Fingerprinting.

How much does it cost to start a Washington PI agency?

Expect $640 for the agency/principal application (includes first exam) plus BLS handling fees ($10 to apply; $5 to renew), then either a $10,000 bond or qualifying liability insurance. Annual renewal for the agency license is $385. WAC 308-17-150; RCW 18.165.100; WAC 458-02-200.

Is there a state exam for the employee PI license?

No. Washington requires a four-hour preassignment course and a written test administered by a certified trainer for employee PI applicants. The state principal exam applies when qualifying to run an agency (unless you document three years of experience). WAC 308-17-300; WAC 308-17-310.

How long does it take to get my Washington PI license?

DOL indicates that, if you apply online, licenses are typically issued within about 21 days, assuming your background check clears and your application is complete. DOL—PI FAQs.

Do the fees change often?

Washington’s PI fees are set in rule (WAC 308-17-150). DOR’s BLS handling fees are set in WAC 458-02-200. Both can change via rulemaking, so verify amounts on the official pages before you apply or renew. WAC 308-17-150; WAC 458-02-200.

Ready to budget your Washington PI licensing step-by-step? License Navigator tracks every required cost and document so you don’t overspend or miss a deadline.