DSI Main Office/Permit Desk Phone: 651-266-8989 
Building Inspectors' Office Phone: 651-266-9002 
Fax: 651-266-9099 
Address: 375 Jackson Street, Suite 220, Saint Paul, MN 55101 


DSI Main Office/Permit Desk Hours: 8:00 am-4:00 pm (Mon - Fri), closed Weekends & Holidays (Beginning June 6, 2023 the main office will open at 9:00 am the first Tuesday of each month.) 
Building Inspectors' Office Hours: 7:30 am-9:00 am (Mon - Fri), closed Weekends & Holidays

You are required to get a building permit for the following changes on one or two-family residences, multi-family residences, or buildings for commercial, industrial, or institutional use:

  • Building a new structure
  • Adding an addition to current structure
  • Remodeling or repairing a structure

For more information see:


If you can't find the information you are looking for, contact the appropriate department.

For general information on permit requirements, email the DSI Message Center.


Last Edited: February 26, 2024