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State of Washington Classified Job Specification


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Class Code: 391S
Category: Protective Services


Reviews and verifies competency and licensing requirements of journey‑level electricians, plumbers and contractors for compliance with State laws, regulations and national codes. Checks plans and inspects the construction of factory assembled structures involving plumbing, electrical and heating installations for compliance with State laws, regulations and national codes.

Typical Work

Checks construction plans, specifications, and engineering designs of all factory assembled structures; 

Makes on‑site inspections; inspects activities to check compliance with journey level law or investigates on‑site activities to assure compliance with the requirements of the contractors registration law; 

Writes correction notices where unsafe or hazardous conditions are found in electrical, plumbing, heating, and ventilation installations; inspects to ensure that corrections have been made; denies delivery or connection, or cuts off service, if compliance is not obtained; 

Contacts unregistered contractors and informs them of the law and registration requirements or prepares, revises and administers examinations for journey‑level status in crafts; 

Consults with architects, contractors, engineers, and those engaged in the manufacture of factory assembled structures; makes recommendations where plans and specifications do not meet national codes or State laws and regulations; 

Contacts, works with, and maintains advisors relationship with contractors, architects, engineers, manufacturers, and others engaged in the manufacture, distribution, and use of factory assembled structures; 

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

Investigates complaints from home owners, union, contractors or public agencies; secures written statements and other material required for documentation and determination of action; 

Compiles evidence and prepare necessary documents for legal process and action; 

Writes letters, prepares reports, and keeps work records; 

Performs other work as required.

Knowledge and Abilities

Knowledge of:  construction practices, basic engineering and mechanical practices; applicable national codes and State laws and regulations on the manufacture, distribution and installation of all types of factory assembled structures; Model Codes as adopted by the State of Washington for the building and construction industry; State Advisory Board Rules; Washington State Apprenticeship and Journeyman Crafts Regulations; Washington State Contractors Registration Law and Regulations; preparing and administering examinations. 

Ability to: read and interpret blueprints and apply applicable codes, rules and regulations; 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

Eight years experience in building trades/craft(s).


Eight years of experience within a government jurisdiction as a building inspector (either site-built or factory structures). 


Eight years of experience as a quality control inspector in a factory-assembled structure plant. 


Bachelor’s degree in architecture, construction management or closely related field (e.g., electrical engineering, mechanical engineering, structural engineering) and four years of experience in a building trade/craft(s).

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