Accessory Structures in Blue Earth County, MN (2026)

2 rules for unincorporated Blue Earth County, Minnesota.

Verified from official government sources

Note: These county rules apply to unincorporated areas of Blue Earth County. If you live within an incorporated city, that city's own rules apply: see the city list below.

ADU Rental Restrictions

In the Agriculture (A) District of unincorporated Blue Earth County, Code Sec. 24-112(a)(12) allows one extra accessory dwelling only on parcels of 20 acres or more, only as a manufactured home housing farm labor as an integral part of the farm operation, and it must come off the property once it stops serving that purpose.

Blue Earth County Farm-Labor Accessory Dwelling Rule

Significant Restrictions

Blue Earth County Code § 24-112(a)(12)

(12)One additional accessory dwelling subject to the following:a.Shall be a manufactured home constructed and installed according to standards contained in section 24-308, located on a parcel containing 20 acres or more and not the primary residence on the parcel.b.Shall be an integral part of an agricultural operation to house farm labor.c.Shall be serviced by an approved water and sewage trea...

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Shed & Carport Rules

In unincorporated Blue Earth County's Agriculture and Conservation districts, non-farm stand-alone accessory buildings, sheds and outbuildings together cannot exceed 3,000 square feet under Sec. 24-338. Rural Residence and Rural Townsite parcels cannot have stand-alone accessory buildings at all, apart from water-oriented structures allowed by Sec. 14-111.

Blue Earth County Accessory Building Size Limits

Some Restrictions

Blue Earth County Code § 24-338

Sec. 24-338. - Stand-alone accessory buildings. ... (1)Stand-alone accessory buildings are not allowed in the RR and RT districts except water-oriented structures as allowed in chapter 14, section 14-111.(2)Stand-alone accessory buildings in the Ag and C districts shall not exceed in total 3,000 square feet except for agricultural buildings. Subsequent accessory buildings shall be included in t...

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All Blue Earth County ordinances

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