Licensing

This web-based study guide has been developed by the Building Codes Division to prepare individuals for examination as a licensed Manufactured Dwelling Installer (MDI).

Limited Installers (LI) and Limited Skirting Installers (LSI) are not required to pass an examination. However, individuals must familiarize themselves with this study guide and the code.

Requirements

  1. ​Review each section of the study guide including relevant Oregon Administrative Rules.
  2. Complete the Proof of Training Certificate.
  3. Submit your completed application along with the Proof of Training Certificate.
  4. If you are required to take an examination to obtain a license or certification, it is strongly suggested that you complete one or more of the practice examinations.

Codebook

Study guide

Applicants for a licensed Manufactured Dwelling Installer (MDI), Limited Installer (LI), Limited Skirting Installer (LSI), or certified Manufactured Home Installation Inspector (MHI) must self-study the division's Manufactured Dwelling Installation Specialty Code Study Guide.

Download complete Manufactured Dwelling Installation Specialty Code Study Guide - Includes practice examination #1

Proof of training

Applicants for licensed Manufactured Dwelling Installer (MDI), Limited Installer (LI), or Limited Skirting Installer (LSI) must submit a completed Proof of Training Certificate along with their completed license application. Those submitted to the division without the training certificate will not be processed until the training certificate is received.​

Proof of Training Certificate

Practice exams

Applicants are not required to take or pass a practice examination. These practice exams are provided as part of preparation for the actual exam. Each practice exam is comprised of approximately 50 multiple choice questions from each chapter of the OMDISC and random questions from Oregon Administrative Rule.

Practice exam no. 1
Practice exam no. 2
Practive exam no. 3​​​​​​