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Washington trade license requirements

Per-trade licensing path. Always confirm with the state board before testing.

Career prep, not a license.

HVAC

HVAC Contractor / Mechanical License

Verified 5/24/2026
Required hours / experience
Varies by state — typically 2–4 yrs experience or apprenticeship + EPA 608
Exam
State trade exam + EPA 608 Universal (PSI / Prometric / State board)
Licensing authority
Notes
General overview — verify exact requirements with the Washington State Department of Labor & Industries before scheduling exams.

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HVAC 101 — Start Here (Free) • Self-paced + practice exam

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Plumbing

Journeyman / Master Plumber License

Verified 5/24/2026
Required hours / experience
Typically 4–5 yrs apprenticeship (~8,000 hrs)
Exam
State Plumbing Exam (IPC/UPC) (PSI / Prometric / State board)
Licensing authority
Notes
General overview — verify exact requirements with the Washington State Department of Labor & Industries before scheduling exams.

Prep with Fieldora Academy

Plumbing 101 — Start Here (Free) • Self-paced + practice exam

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Solar

Solar / PV Installer (often under Electrical or Specialty)

Verified 5/24/2026
Required hours / experience
NABCEP-recommended 58+ hrs training + field experience
Exam
NABCEP PV Associate / Installation Professional (NABCEP)
Licensing authority
Notes
General overview — verify exact requirements with the Washington State Department of Labor & Industries before scheduling exams.

Prep with Fieldora Academy

Solar PV 101 — Start Here (Free) • Self-paced + practice exam

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General Contractor

General Contractor License

Verified 5/26/2026
Required hours / experience
Varies by project size
Exam
Business & Law + Trade Exam (PSI / Prometric)
Licensing authority
State Contractor Licensing Board
Notes
Most states require licensing for projects above a dollar threshold; some are local-only.

Prep with Fieldora Academy

General Contracting 101 — Start Here (Free) • Self-paced + practice exam

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Roofing

Roofing Contractor License

Verified 5/26/2026
Required hours / experience
None to 4 yrs experience
Exam
Roofing Trade + Business & Law (PSI)
Licensing authority
State Contractor Licensing Board
Notes
Many states regulate roofing under general contractor rules; check local jurisdiction.

Prep with Fieldora Academy

Roofing 101 — Start Here (Free) • Self-paced + practice exam

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Low-Voltage

Low-Voltage / Limited Energy License

Verified 5/26/2026
Required hours / experience
2-4 yrs experience
Exam
Low-Voltage Trade Exam (PSI / ICC)
Licensing authority
State Electrical Board
Notes
Covers alarm, AV, data, security, and telecom installations. Often a sub-class of electrical.

Prep with Fieldora Academy

Low-Voltage 101 — Start Here (Free) • Self-paced + practice exam

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Pest Control

Commercial Pesticide Applicator License

Verified 5/26/2026
Required hours / experience
Training + exam
Exam
Core + Category Exams (State Department of Agriculture)
Licensing authority
State Department of Agriculture
Notes
EPA-mandated certification; categories vary (general, termite, fumigation).

Prep with Fieldora Academy

Pest Control 101 — Start Here (Free) • Self-paced + practice exam

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Landscaping

Landscape Contractor License

Verified 5/26/2026
Required hours / experience
Varies; often optional
Exam
Business & Law (if required) (PSI / state board)
Licensing authority
State Contractor Licensing Board
Notes
Many states do not require a landscape-specific license; check local rules and irrigation/pesticide endorsements.

Prep with Fieldora Academy

Landscaping & Irrigation 101 — Start Here (Free) • Self-paced + practice exam

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Electrical

Electrical Administrator + Electrical Contractor (01 General / 02–08 Specialty)

Verified 5/26/2026
Required hours / experience
Administrator: 8,000 hrs as 01 journeyman within last 10 yrs (or equivalent education credit)
Exam
Washington Electrical Administrator Exam (open-book, NEC + WAC 296-46B) (Washington L&I)
Licensing authority
Notes
Contractor bond $4,000 + $250K liability insurance. UBI registration required. License fee $363/2 yrs. 24 hrs CE every 3 yrs for electricians (8 hrs NEC update). Reciprocity with several states for journeyman certification (OR, ID, MT, UT, WY, AK, AR, ME, NM, NH, ND, SD).

Prep with Fieldora Academy

Electrical 101 — Start Here (Free) • Self-paced + practice exam

Start prep

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