Smoke Detector Installation Electrical Permit

General Information

This section is for residential use only. See Fire Alarm Systems for institutional and commercial installations. 

Code Requirements

All work must be performed to the standards of the latest edition of the National Electrical Code adopted by the State of Minnesota.

Application Requirements


For inspections please call the inspector listed on your permit between 7:30 am and 9:00 am, Monday-Friday.




Per Unit Installed, Per Circuit


Per Unit Installed, With Other Electrical Work, No New Circuit


Minimum Fee


State Surcharge (Minimum)



Each permit issued shall expire if the work authorized by the permit is not commenced within 180 days from the date issued, or if the work is suspended or abandoned at any time after the work has begun for a period of 180 days. In addition, exterior work done on a single-family or two-family dwelling (including garages) must be completed within one year from the date issued. Interior and exterior work done on commercial properties (including hotels and apartment buildings) where the permit valuation is under $500,000 must be completed within one year from the date issued. See Chapter 33.04 of the Saint Paul Legislative Code and section 3800.3780 Subpart of the Minnesota Rules.


Contact the Electrical Inspection Department at 651-266-9003 (7:30 am to 9:00 am Monday-Friday), or send an email to the DSI Message Center.

For questions about state standards, contact the Minnesota Department of Labor and Industry at 651-284-5064.