Accessory Structures in Wayne County, IN (2026)
3 rules for unincorporated Wayne County, Indiana.
Verified from official government sources
ADU Rules
In unincorporated Wayne County, Indiana, an accessory dwelling unit, also called a granny flat or in-law cottage, needs a primary single-family home on the lot, at least 576 square feet, a separation of 50 to 100 feet depending on the district, and is capped at one per parcel under the zoning code.
Wayne County Accessory Dwelling Unit Standards
Some RestrictionsWayne County Code § 156.004
DWELLING UNIT, ACCESSORY or ADU (also known as a GRANNY FLAT OR IN-LAW COTTAGE). A detached dwelling installed on a permanent foundation that is an accessory use to the main dwelling on the same property and is commonly used for generational occupancy of a property. Development Standards: ... (b) An ADU is not permitted without a primary single-family dwelling. ... (d) There shall be a mini...
ADU Owner Occupancy
In unincorporated Wayne County, Indiana, the property owner must live in either the primary house or the accessory dwelling unit itself. An investor-owned ADU with no owner living on site does not meet the county's zoning definition.
Wayne County ADU Owner-Occupancy Rule
Some RestrictionsWayne County Code § 156.004(c)
DWELLING UNIT, ACCESSORY or ADU (also known as a GRANNY FLAT OR IN-LAW COTTAGE). A detached dwelling installed on a permanent foundation that is an accessory use to the main dwelling on the same property and is commonly used for generational occupancy of a property. Development Standards: ... (b) An ADU is not permitted without a primary single-family dwelling. (c) The owner of the property...
Shed & Carport Rules
In residential (R) districts of unincorporated Wayne County, Indiana, Wayne County Code § 156.227 confines a shed or other detached accessory building to the rear yard, or requires it to connect to the house, caps rear-yard coverage at 35%, and requires at least six feet of clearance from the dwelling and from adjoining lot lines.
Wayne County IN Accessory Building Rules
Some RestrictionsWayne County Code § 156.227(A)
(A) An accessory building may be erected detached from the principal building or may be erected as an integral part of the principal building, or it may be connected therewith by a breezeway or similar structure. Except as provided in § 156.231 of this chapter, no accessory building shall be erected in any required yard or court, except a rear yard, and shall not occupy more than 35% of a req...
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