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State of Washington Classified Job Specification


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Class Code: 391S
Category: Protective Services


In an in-training capacity, positions at this level are required to complete a training program under the direction of a Contractor Compliance Inspector 2.

Assists in visiting jobsites to verify registration and licensing requirements of journey level electricians, plumbers and construction and plumbing contractors.

Typical Work

Makes on site and non-onsite inspections and assists with investigations to ensure compliance with the contractor registration, plumber and electrical licensing, prevailing wage and industrial insurance laws;

Contacts non-compliant contractors and educates on the licensing and registration requirements;

Requests information of unregistered contractors or non-certified journey level workers; prepares reports;

Assists in investigating complaints from homeowners, union, contractors or public agencies;

Assists in writing investigative statements, preparing reports, and maintaining work records;

Performs other work as required.

Knowledge and Abilities

Knowledge of: construction practices; Washington State Apprenticeship and Journeyman Crafts Regulations; Washington State contractor, plumbing and electrical laws and regulations;

Ability to: explain technical requirements to lay persons; meet and deal effectively with others; prepare clear and concise reports; explain laws and regulations of plumbing and electrical journeyman procedure requirements or laws and regulations on contractors registration requirements.

Legal Requirement(s)

There may be instances where individual positions must have additional licenses or certification. It is the employer’s responsibility to ensure the appropriate licenses/certifications are obtained for each position.

Desirable Qualifications

Four years’ paid experience in the building trades/craft(s).


Bachelor’s degree in architecture, construction management or closely related field (e.g., electrical engineering, mechanical engineering, structural engineering).

Class Specification History

New class: 7-12-85
Revised minimum qualifications: 7-1-96
Revised minimum qualifications: 9-13-02
New class code: (formerly 43870) effective July 1, 2007
Revised title, definition, typical work, knowledge and abilities, and desirable qualifications; adopted June 22, 2023, effective July 1, 2023.