Accessory Structures in St. Louis County, MN (2026)

St. Louis County Zoning Ordinance 62, Art. VI § 6.11.A-D

Section 6.11 Accessory Dwelling Administrative Standards “V” A. Permit Required: General: An accessory dwelling is defined as an accessory structure used as a dwelling unit that may contain sleeping spaces, and kitchen and bathroom facilities, in addition to those provided in the principal dwelling structure and may be allowed with a land use permit. B. Accessory Dwellings in Shoreland Areas On...

St. Louis County Zoning Ordinance 62, Art. VI § 6.11.B.5

5. An accessory dwelling shall not be used for commercial or rental purposes, unless a permit for short term rental is permitted as part of the overall property for rent. Accessory dwellings shall not be used for rental as separate from the overall property.

St. Louis County Floodplain Ordinance No. 69, Section 6.23

6.23 Accessory Structures. All accessory structures must meet the following standards: A. Structures shall not be designed or used for human habitation. B. Structures will have a low flood damage potential. C. Structures shall constitute a minimal investment not to exceed 576 square feet in size, one-story in height, and shall only be used for parking and storage, except as provided under Secti...

St. Louis County Zoning Ordinance 62, Art. II § 2.7; Art. V § 5.6(A)(2)(a)

Principal Dwelling, Single-family - A detached residence, may include a mobile or manufactured home or tiny home, designed for one family only and having an approved sewage treatment system. S. ... Residential Use– Class I – A category of uses that includes but is not limited to: hunting shacks, residential dwellings (less than five units or sites), seasonal residences and accessory dwellings a...