For questions regarding Manufactured Dwelling Installer (MDI), Limited Installer (LI), or
Limited Skirting Installer (LSI) licensing, please contact the division at 503-378-3980.
For questions regarding the Manufactured Home Installation Inspector (MHI) certification,
please contact the division at 503-373-1248.
If you have code book questions, please contact the division at 503-373-5975.
The code book can be downloaded and printed or ordered by contacting the Oregon Manufactured
Home Association at 503-364-2470 or firstname.lastname@example.org.