Permits are $30 and must be obtained prior to replacement.  Inspection is required after installation.

Permits can be obtained online:  http://www.duluthmn.gov/construction-services-inspections/epermits/

Please see memo from City of Duluth Construction Services:  https://drive.google.com/file/d/0ByNj6R2XaScPYWEtNUlpV1daVjA/view?usp=sharing